10-Q 1 ck0001418076-20240930.htm 10-Q 10-Q
--12-31 false0001418076Q3NYhttp://slrinvestmentcorp.com/20240930#NetChangeInUnrealizedGainLossOnInvestmentshttp://slrinvestmentcorp.com/20240930#NetChangeInUnrealizedGainLossOnInvestments0001418076ck0001418076:TermLoansMember2020-12-310001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Retina Midco, Inc. | Health Care Providers & Services | S+575 | 1.00% | 11.38% | 12/18/2023 | 1/31/20262023-01-012023-12-310001418076ck0001418076:SeniorSecuredCommitmentsMember2024-09-300001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-08-160001418076Equipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BDG Media, Inc. | Media | P+525 | 5.50% | 13.75% | 7/18/2022 | 7/31/20252023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ArdelyxIncMember2023-12-310001418076ck0001418076:NmcSeniorCreditFacilityMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | TAUC Management, LLC | Health Care Providers & Services | P+450 | 1.00% | 13.00% | 4/1/2022 | 2/12/20272023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:RetinaMidcoIncMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Assertio Holdings, Inc. | Pharmaceuticals | 7/31/20232024-09-300001418076ck0001418076:SlrEquipmentFinanceMember2024-03-010001418076us-gaap:CommonStockMemberck0001418076:SunsCompanyMergerMember2022-04-012022-04-010001418076Equipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure | 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/2028srt:MaximumMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Copper River Seafoods, Inc. | Food Products | P+275 | —% | 11.25% | 12/1/2023 | 4/23/20252023-01-012023-12-310001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/20262023-01-012023-12-310001418076ck0001418076:KbhtMemberus-gaap:OtherInvesteesMember2020-11-030001418076The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.10% | 8/15/292024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | FE Advance, LLC | Diversified Financial Services | S+650 | 1.00% | 11.71% | 7/30/2024 | 7/30/20272024-01-012024-09-300001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08% | 10/31/2022 | 11/1/2027-6/1/2029srt:MinimumMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Brainjolt LLC | Media | P+425 | 3.25% | 12.25% | 1/22/2024 | 1/22/20252024-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2018-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SprTherapeuticsInc.Member2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Arcutis Biotherapeutics, Inc. | Pharmaceuticals | S+745 | 0.10% | 12.90% | 12/22/2021 | 1/1/20272023-12-310001418076Preferred Equity - | SOINT LLC | Aerospace & Defense | 0.00% | 6/8/2012 | 6/30/20252024-09-300001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2019-12-182019-12-180001418076srt:MaximumMemberEquipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure| 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrBusinessCreditMember2024-09-300001418076ck0001418076:EspSscCorporationMember2017-10-200001418076ck0001418076:DiversifiedConsumerServicesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | West-NR Parent, Inc | Insurance | S+625 | 1.00% | 10.95% | 8/1/2023 | 12/27/20272024-09-300001418076Common Equity/Equity Interests/Warrants | Senseonics Holdings, Inc. | Health Care Equipment & Supplies | 7/25/20192023-01-012023-12-310001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262023-01-012023-12-310001418076Plastics Management, LLC | Health Care Providers and Services | S+500 | 1.00% | 10.45% | 8/18/272023-01-012023-12-310001418076Equipment Financing | SLR Equipment Finance Equity Interests | Multi-Sector Holdings | 7/31/20172024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SightlyEnterprisesInc.Member2023-12-310001418076RQM+ Corp | Life Sciences Tools and Services | S+575 | 1.00% | 11.36% | 8/12/262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SPAR Marketing Force, Inc. | Media | P+190 | —% | 9.90% | 12/1/2023 | 10/10/20252024-09-300001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2024-09-300001418076srt:WeightedAverageMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076CVAUSA Management, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.12% | 5/22/292024-01-012024-09-300001418076ck0001418076:SecuredOvernightFinancingRateMembersrt:MinimumMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2011-09-012011-12-310001418076Senior Secured Loans | Second Lien Bank Debt/Senior Secured Loans | RD Holdco, Inc. | Diversified Consumer Services | S+975 | 1.00% | —% | 12/23/2013 | 10/12/20262023-01-012023-12-310001418076ck0001418076:SlrCreditSolutionsMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ENS Holdings III Corp. & ES Opco USA LLC (Bluefin) | Trading Companies & Distributors | S+475 | 1.00% | 9.45% | 4/1/2022 | 12/31/20252024-01-012024-09-300001418076ck0001418076:AerospaceAndDefenseMember2024-09-300001418076ck0001418076:CreditFacilityMember2017-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Orthopedic Care Partners Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 12.11% | 8/17/2022 | 5/16/20242023-12-310001418076ck0001418076:ShoesForCrewsGlobalLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:LuxuryAssetCapitalLlcMember2024-09-300001418076Kaseya, Inc | Software | S+550 | 0.75% | 10.75% | 6/23/292024-01-012024-09-300001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/2028srt:MaximumMember2023-12-310001418076ck0001418076:SoftwareMember2024-09-300001418076ck0001418076:CreditFacilityMember2024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UnitedDigestiveMSOParentLLCMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:HighStreetBuyerIncMember2023-12-3100014180762024-09-270001418076ck0001418076:InsuranceMember2024-09-300001418076us-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMembersrt:MaximumMember2023-12-310001418076Atria Wealth Solutions, Inc | Diversified Financial Services | S+650 | 1.00% | 11.97% | 5/31/242023-01-012023-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | West-NR Parent, Inc. | Insurance | S+625 | 1.00% | 11.70% | 8/1/2023 | 12/27/20272023-01-012023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2024-07-012024-09-3000014180762024-11-040001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2023-01-012023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMember2023-12-310001418076ck0001418076:NefpassFacilityMember2019-12-310001418076ck0001418076:BaysideOpcoLLCOneMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Outset Medical, Inc. | Health Care Equipment & Supplies | S+515 | 2.75% | 10.50% | 11/3/2022 | 11/1/20272023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Shoes for Crews Holdings, LLC | Diversified Financial Services | 06/30/20242024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationTechniqueRecoveryApproachMemberck0001418076:InvestmentInSeniorSecuredLoansMemberck0001418076:MeasurementInputRecoverableAmountMember2024-09-300001418076Equipment Financing | GMT Corporation | Machinery | 10.71% | 10/23/2018 | 1/1/20262024-09-300001418076ck0001418076:SlrHealthcareAblMembersrt:MinimumMember2024-09-300001418076Equipment Financing | Boart Longyear Company | Metals & Mining | 8.31-10.44% | 5/28/2020 | 7/1/2024-10/7/20262023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | EyeSouth Eye Care Holdco LLC | Health Care Providers & Services | S+550 | 1.00% | 10.45% | 10/6/2022 | 10/5/20292024-01-012024-09-300001418076ck0001418076:CrystalCapitalFinancialHoldingsLlcMemberck0001418076:SlrBusinessCreditFacilityMember2016-07-280001418076BayMark Health Services, Inc | Health Care Providers and Services | S+500 | 1.00% | 10.61% | 6/11/272023-12-310001418076Equipment Financing | Waste Pro of Florida, Inc. & Waste Pro USA, Inc. | Commercial Services & Supplies | 9.17% | 4/18/2023 | 4/18/20282023-01-012023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/20302024-01-012024-09-300001418076srt:MaximumMemberEquipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282024-09-300001418076Equipment Financing | SLR Equipment Finance | Multi-Sector Holdings | 8.50% | 1/24/2022 | 1/27/20242023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrBusinessCreditMember2023-12-310001418076Equipment Financing | ST Coaches, LLC | Road & Rail | 8.50% | 7/31/2017 | 1/25/20252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ENS Holdings III Corp. & ES Opco USA LLC (Bluefin) | Trading Companies & Distributors | S+475 | 1.00% | 10.20% | 4/1/2022 | 12/31/20252023-01-012023-12-310001418076Erie Construction Mid-west, LLC | Building Products | S+475 | 1.00% | 10.20% | 7/30/272023-01-012023-12-310001418076Equipment Financing | Hawkeye Contracting Company, LLC | Construction & Engineering | 10.50% | 10/8/2021 | 11/1/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Arcutis Biotherapeutics, Inc. | Pharmaceuticals | S+595 | 2.50% | 11.12% | 12/22/2021 | 8/1/20292024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.35% | 2/10/2023 | 7/8/20262024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Orthopedic Care Partners Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.46% | 8/17/2022 | 11/15/20242024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Southern Orthodontic Partners Management, LLC | Health Care Providers & Services | S+550 | 1.00% | 10.10% | 6/3/2022 | 7/27/20262024-01-012024-09-300001418076High Street Buyer, Inc | Insurance | S+575 | 0.75% | 11.25% | 4/16/282023-01-012023-12-310001418076ck0001418076:PackagedFoodsAndMeatsMember2023-12-310001418076ck0001418076:WesternVeterinaryPartnersLLCMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:PreferredEquityMember2023-01-012023-12-310001418076us-gaap:RevolvingCreditFacilityMemberck0001418076:SlrBusinessCreditFacilityMember2024-01-012024-09-300001418076ck0001418076:SlrCreditSolutionsMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Equipment Financing | Mountain Air Helicopters, Inc | Commercial Services & Supplies | 10.00% | 7/31/2017 | 2/28/20252024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vapotherm, Inc. | Health Care Equipment & Supplies | S+930 | 1.00% | 14.75% | 2/18/2022 | 2/1/20272023-12-310001418076Equipment Financing | Dongwon Autopart Technology Inc | Auto Components | 7.96%| 2/2/2021|1/1/20262024-09-300001418076us-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:BasicFunInc.Member2023-12-310001418076ck0001418076:TaucManagementLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:PackagedFoodsAndMeatsMember2024-09-300001418076Equipment Financing | Womble Company, Inc. | Energy Equipment & Services | 9.11% | 12/27/2019 | 1/1/20252023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:TheTownsendCompanyLLCMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Basic Fun, Inc. | Specialty Retail | S+650 | 1.00% | 12.14% | 10/30/2020 | 7/2/20242023-12-310001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.94% | 11/15/2018 | 9/1/20252024-09-3000014180762023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Healthcare ABL | Diversified Financial Services | 4/1/20222023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.48% | 4/1/2022 | 3/13/20262023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2018-12-310001418076ck0001418076:PersonalProductsMember2024-09-300001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/2028srt:MinimumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Peter C. Foy & Associates Insurance Services, LLC | Insurance | S+600 | 0.75% | 11.47% | 4/1/2022 | 11/1/20282023-12-310001418076ck0001418076:NmcsCreditFacilityMember2021-06-030001418076ck0001418076:InsuranceMember2023-12-310001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2024-07-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ThirtyThreeAcrossInc.Member2024-09-300001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMembersrt:MaximumMember2024-08-162024-08-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:KbhTopcoLlcKingsbridgeMember2023-01-012023-12-310001418076Equipment Financing | Lux Vending, LLC | Consumer Finance | 12.46-13.26% | 8/20/2021 | 7/20/2024-10/1/20242023-12-310001418076ck0001418076:SlrBusinessCreditMember2024-07-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BayMark Health Services, Inc. | Health Care Providers & Services | S+500 | 1.00% | 9.87% | 4/1/2022 | 6/11/20272024-01-012024-09-300001418076Equipment Financing | First National Capital, LLC | Diversified Financial Services | 9.00% | 11/5/2021 | 8/1/20262024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Orthopedic Care Partners Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 12.11% | 8/17/2022 | 5/16/20242023-01-012023-12-310001418076us-gaap:AssetManagement1Member2024-09-300001418076ck0001418076:RoadAndRailMember2024-09-300001418076ck0001418076:CreditFacilityOneMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Human Interest Inc. | Internet Software & Services | S+785 | 1.00% | 13.19% | 6/30/2022 | 7/1/20272023-01-012023-12-310001418076ck0001418076:HealthCareEquipmentAndSuppliesMember2023-12-310001418076srt:MinimumMemberEquipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282024-09-300001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08% | 10/31/2022 | 11/1/2027-6/1/20292023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceDebtMember2023-12-310001418076ck0001418076:CrystalFinancialMemberck0001418076:SlrBusinessCreditFacilityMember2012-12-280001418076Common Equity/Equity Interests/Warrants | SLR Credit Solutions | Diversified Financial Services | 12/28/20122023-12-310001418076EyeSouth Eye Care Holdco LLC | Health Care Providers & Services | S+550 | 1.00% | 10.80% | 10/5/2029 2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | iCIMS, Inc. | Software | S+725 | 0.75% | 12.10% | 8/18/2022 | 8/18/20282023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2020-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | SPR Therapeutics, Inc. | Health Care Technology | S+515 | 4.00% | 10.32% | 1/30/2024 | 2/1/20292024-09-300001418076Common Equity/Equity Interests/Warrants | Senseonics Holdings, Inc. | Health Care Equipment & Supplies | 7/25/20192024-01-012024-09-300001418076Fertility (ITC) Investment Holdco, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.97% | 1/3/292023-01-012023-12-310001418076ck0001418076:SlrHealthcareAblCreditMember2023-01-012023-12-310001418076Apex Service Partners, LLC | Diversified Consumer Services | S+700 | 1.00% | 11.87% |10/24/302023-01-012023-12-3100014180762024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Maxor Acquisition, Inc. | Health Care Providers & Services | S+675 | 1.00% | 11.70% | 3/1/2023 | 3/1/20292024-09-300001418076ck0001418076:SlrBusinessCreditMember2023-07-012023-09-300001418076Equipment Financing | Star Coaches Inc | Road & Rail | 8.42% | 3/9/2018 | 4/1/20252024-09-300001418076srt:MinimumMemberEquipment Financing | Superior Transportation, Inc | Road & Rail |10.22-10.69% | 7/31/2017 | 1/1/20262024-09-300001418076ck0001418076:BaysideParentLlcLoanMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:WebsterBankNASCommercialServicesDivisionMember2024-09-272024-09-270001418076CC SAG Holdings Corp | Diversified Consumer Services | S+575 | 0.75% | 11.22% | 6/29/282023-12-310001418076Kid Distro Holdings, LLC | Software | S+475 | 1.00% | 10.15% | 10/1/292024-09-300001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2024-09-300001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMember2023-09-300001418076ck0001418076:AmeriMarkIntermediateHoldingsOneLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076ck0001418076:EnsHoldingsIiiCorpLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Common Equity/Equity Interests/Warrants | aTyr Pharma, Inc. Warrants | Pharmaceuticals | 11/18/20162024-09-300001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kaseya, Inc. | Software | S+550 | 0.75% | 10.10% | 6/22/2022 | 6/23/20292024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditFacilityMember2023-07-012023-09-300001418076srt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2023-12-310001418076ck0001418076:EquipmentFinancingMember2024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2021-12-310001418076ck0001418076:AdvisoryAgreementMember2024-07-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | NSPC Intermediate Corp. (National Spine) | Health Care Providers & Services | S+800 | 1.00% | 13.53% | 4/1/2022 | 2/13/20262023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Vertos Medical, Inc. Warrants| Health Care Equipment & Supplies | 6/14/2023 2023-01-012023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Cerapedics, Inc. | Biotechnology | S+620 | 2.75% | 11.55% | 12/27/2022 | 1/1/20282023-01-012023-12-310001418076ck0001418076:AirlinesMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CrewlineBuyerIncMember2024-09-300001418076Cash Equivalents | Liabilities in Excess of Other Assets2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2024-01-012024-09-300001418076Equipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282023-12-310001418076ck0001418076:EquipmentFinancingMember2023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CC SAG Holdings Corp. (Spectrum Automotive) | Diversified Consumer Services | S+575| 0.75% | 11.22% | 6/29/2021 | 6/29/20282023-01-012023-12-310001418076Equipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2024-9/25/20242023-12-310001418076ck0001418076:PreferredEquityMember2022-12-310001418076us-gaap:FairValueInputsLevel2Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2024-01-012024-09-300001418076ck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Alkeme Intermediary Holdings, LLC | Insurance | S+575 | 1.00% | 10.35% | 9/20/2023 | 10/28/20262024-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2023-12-310001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMemberck0001418076:TermLoanMember2024-08-160001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-01-012024-09-300001418076ck0001418076:KbhtMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ExactcareParentIncMember2024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMember2020-11-030001418076Common Equity/Equity Interests/Warrants | Centrexion Therapeutics, Inc. Warrants | Pharmaceuticals | 6/28/20192024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-07-012024-09-300001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Tilley Distribution, Inc. | Trading Companies & Distributors | S+600 | 1.00% | 10.75% | 4/1/2022 | 12/31/20262024-09-300001418076Equipment Financing | ST Coaches, LLC | Road & Rail | 8.50% | 7/31/2017 | 1/25/20252023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2022-12-310001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2019-12-180001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrHealthcareAblMember2024-09-300001418076All States Ag Parts, LLC | Trading Companies and Distributors| S+600 | 1.00% | 11.61% | 9/1/262023-12-310001418076UVP Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.00% | 9/15/252024-01-012024-09-300001418076ck0001418076:SecuredOvernightFinancingRateMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMembersrt:MaximumMember2011-09-012011-12-310001418076Equipment Financing | Double S Industrial Contractors, Inc | Commercial Services & Supplies | 8.60% | 7/28/2023 | 8/1/20272024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | CardioFocus, Inc. Warrants | Health Care Equipment & Supplies | 3/31/20172024-09-300001418076srt:MaximumMemberEquipment Financing | Boart Longyear Company | Metals & Mining | 8.31-9.77% | 5/28/2020 | 4/1/2025-10/7/20262024-09-300001418076CC SAG Holdings Corp | Diversified Consumer Services | S+575 | 0.75% | 11.22% | 6/29/282023-01-012023-12-310001418076ck0001418076:CommunicationsEquipmentMember2024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) Class B | Diversified Consumer Services | 12/23/20132023-01-012023-12-310001418076Equipment Financing | Star Coaches Inc | Road & Rail | 8.42% | 3/9/2018 | 4/1/20252023-12-310001418076ck0001418076:BaysideOpcoLLCOneMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CC SAG Holdings Corp. (Spectrum Automotive) | Diversified Consumer Services | S+575| 0.75% | 11.22% | 6/29/2021 | 6/29/20282023-12-310001418076Common Equity/Equity Interests/Warrants | CardioFocus, Inc. Warrants | Health Care Equipment & Supplies | 3/31/20172023-12-310001418076Equipment Financing | AmeraMex International, Inc. | Commercial Services & Supplies | 10.00% | 3/29/2019 | 4/15/20252024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) | Diversified Consumer Services | 12/23/20132024-01-012024-09-300001418076srt:WeightedAverageMemberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2024-09-300001418076ck0001418076:SlrEquipmentFinanceMember2023-07-012023-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2019-12-3100014180762017-12-310001418076Kid Distro Holdings, LLC | Software | S+550 | 1.00% | 11.00% | 10/1/272023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Quantcast Corporation | Commercial Services & Supplies | S+525 | 2.00% | 10.27% | 6/14/2024 | 6/14/20292024-01-012024-09-300001418076 Senior Secured Loans | First Lien Life Science Senior Secured Loans | Ardelyx, Inc. | Pharmaceuticals | S+795 | 1.00% | 13.32% | 2/23/2022 | 3/1/20272023-01-012023-12-310001418076us-gaap:FairValueInputsLevel1Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Cash Equivalents | Total Investments & Cash Equivalents 2023-12-310001418076ENS Holdings III Corp and ES Opco USA LLC | Trading Companies and Distributors | S+475 | 1.00% | 9.45% | 12/31/252024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) | Diversified Consumer Services | 12/23/20132023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Enhanced Permanent Capital, LLC | Capital Markets | S+700 | 1.00% | 12.44% | 12/29/2020 | 12/29/20252024-01-012024-09-300001418076High Street Buyer, Inc | Insurance | S+575 | 0.75% | 11.25% | 4/16/282023-12-310001418076ck0001418076:EquipmentOperatingLeasesLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Centrexion Therapeutics, Inc. Warrants | Pharmaceuticals | 6/28/20192024-01-012024-09-300001418076ck0001418076:MultiSectorHoldingsMember2024-09-300001418076us-gaap:FairValueInputsLevel2Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | FGI Worldwide LLC | Diversified Financial Services | S+650 | 1.00% | 11.86% | 4/17/2023 | 4/17/20282023-12-310001418076Alkeme Intermediary Holdings, LLC | Insurance| S+575 | 1.00% | 10.35% | 10/28/262024-09-300001418076Equipment Financing | AmeraMex International, Inc. | Commercial Services & Supplies | 10.00% | 3/29/2019 | 10/15/20242023-12-310001418076ck0001418076:SlrBusinessCreditMember2023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Credit Solutions | Diversified Financial Services | 12/28/20122024-09-300001418076ck0001418076:SlrEquipmentFinanceMember2023-01-012023-09-300001418076ck0001418076:DiversifiedFinancialServicesMember2024-09-300001418076CC SAG Holdings Corp | Diversified Consumer Services | S+525 | 0.75% | 9.85% | 6/29/282024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Meditrina, Inc. | Health Care Equipment & Supplies | S+550 | 3.45% | 10.85% | 12/20/2022 | 12/1/20272023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CVAUSA Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.74% | 5/22/2023 | 5/22/20292023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | All States Ag Parts, LLC | Trading Companies & Distributors | S+600 | 1.00% | 11.61% | 4/1/2022 | 9/1/20262023-01-012023-12-310001418076ck0001418076:DiversifiedConsumerServicesMember2023-12-310001418076ck0001418076:NefpassFacilityMember2018-12-310001418076Equipment Financing | Loc Performance Products, LLC | Machinery | 10.50% | 12/29/2022 | 6/1/20272023-01-012023-12-310001418076ck0001418076:KbhTopcoLlcKingsbridgeMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | DeepIntent, Inc. | Media | P+225 | 5.25% | 10.25% | 12/1/2023 | 6/30/20262024-09-300001418076ck0001418076:BridgeBioPharmaIncMember2023-12-310001418076Equipment Financing | A&A Crane and Rigging, LLC | Commercial Services & Supplies | 7.78% | 3/27/2023 | 3/27/20282023-01-012023-12-310001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/20282024-01-012024-09-300001418076us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncCommonEquityMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RQM+ Corp. | Life Sciences Tools & Services | S+575 | 1.00% | 10.62% | 8/20/2021 | 8/12/20262024-01-012024-09-300001418076Atria Wealth Solutions, Inc | Diversified Financial Services | S+650 | 1.00% | 11.97% | 5/31/242023-12-310001418076ck0001418076:KbhtMemberus-gaap:OtherInvesteesMember2024-03-130001418076ck0001418076:TermLoansMember2021-12-310001418076ck0001418076:ConstructionAndEngineeringMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CVAUSA Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.74% | 5/22/2023 | 5/22/20292023-01-012023-12-310001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/20262024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.96% | 6/16/2021 | 6/16/20282023-12-310001418076ck0001418076:SlrBusinessCreditFacilityMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncCommonEquityMember2024-01-012024-09-300001418076ck0001418076:RdHoldcoIncClassBMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076srt:MinimumMemberEquipment Financing | Boart Longyear Company | Metals & Mining | 8.31-9.77% | 5/28/2020 | 4/1/2025-10/7/20262024-09-300001418076Equipment Financing | First National Capital, LLC | Diversified Financial Services | 9.00% | 11/5/2021 | 8/1/20262023-12-310001418076ck0001418076:EquipmentFinancingMember2024-09-300001418076ck0001418076:VeronicaHoldingsLlcCommonEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076Common Equity/Equity Interests/Warrants | SLR-AMI Topco Blocker, LLC | Internet & Catalog Retail | 6/16/20232023-01-012023-12-310001418076ck0001418076:CrystalFinancialMemberck0001418076:SlrBusinessCreditFacilityMember2012-11-302012-11-300001418076Equipment Financing | Zamborelli Enterprises Pacific Southern Foundation | Diversified Consumer Services| 8.91% | 12/7/2022 | 1/1/20272024-01-012024-09-300001418076ck0001418076:EquipmentOperatingLeasesLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Equipment Financing | ST Coaches, LLC | Road & Rail | 8.50% | 7/31/2017 | 1/25/20252024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | Shoes for Crews Holdings, LLC | Diversified Financial Services | 06/30/20242024-01-012024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076SunMed Group Holdings, LLC | Health Care Equipment and Supplies | S+550 | 0.75% | 10.96% | 6/16/282023-12-310001418076ck0001418076:HealthCareProvidersAndServicesMember2023-12-310001418076srt:MaximumMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.96% | 6/16/2021 | 6/16/20282023-01-012023-12-310001418076ck0001418076:SpecialtyRetailMember2023-12-310001418076Alkeme Intermediary Holdings, LLC | Insurance| S+575 | 1.00% | 10.35% | 10/28/262024-01-012024-09-300001418076Equipment Financing | Extreme Steel Crane & Rigging, LLC | Commercial Services & Supplies | 9.52% | 3/3/2023 | 3/3/20272023-01-012023-12-310001418076Fertility (ITC) Investment Holdco, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.74% | 1/3/292024-01-012024-09-300001418076Equipment Financing | Star Coaches Inc | Road & Rail | 8.42% | 3/9/2018 | 4/1/20252024-01-012024-09-300001418076srt:MinimumMemberEquipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282024-09-300001418076Equipment Financing | Miranda Logistics Enterprise, Inc | Construction & Engineering | 7.69% | 4/14/2023 | 4/14/20282023-01-012023-12-310001418076Aegis Toxicology Sciences Corporation | Health Care Providers and Services | S+550 | 1.00% | 11.13% | 5/9/252023-12-310001418076Aegis Toxicology Sciences Corporation | Health Care Providers and Services | S+550 | 1.00% | 11.13% | 5/9/252023-01-012023-12-310001418076ck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2021-12-310001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2016-01-012016-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:LoyerCapitalLlcMember2024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2019-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | UVP Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.00% | 9/18/2023 | 9/15/20252024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | Essence Group Holdings Corporation (Lumeris) Warrants | Health Care Technology | 3/22/20172023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/20302023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 9.70% | 4/1/2022 | 8/18/20272024-09-300001418076ck0001418076:CreditFacilityOneMember2022-12-310001418076ck0001418076:SunsSpvLlcMembersrt:MinimumMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-01-012024-09-300001418076Equipment Financing | Dongwon Autopart Technology Inc | Auto Components | 7.96% | 2/2/2021 |1/1/20262023-12-310001418076Common Equity/Equity Interests/Warrants | Vapotherm, Inc. Warrants| Health Care Equipment & Supplies | 2/18/20222023-01-012023-12-310001418076ck0001418076:HealthCareEquipmentAndSuppliesMember2024-09-300001418076ck0001418076:BaysideParentLlcLoanMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Stryten Resources LLC | Auto Parts & Equipment | S+800 | 1.00% | 13.47% | 8/11/2021 | 10/12/20262023-12-310001418076ck0001418076:AirlinesMember2023-12-310001418076Equipment Financing | A&A Crane and Rigging, LLC | Commercial Services & Supplies | 7.78% | 3/27/2023 | 3/27/20282023-12-310001418076Common Equity/Equity Interests/Warrants | aTyr Pharma, Inc. Warrants | Pharmaceuticals | 11/18/20162024-01-012024-09-300001418076Equipment Financing | Equipment Operating Leases, LLC | Multi-Sector Holdings | 8.37% | 4/27/2018 | 4/27/20252024-01-012024-09-300001418076srt:WeightedAverageMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/2027srt:MinimumMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:EquipmentFinancingMember2024-07-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Atria Wealth Solutions, Inc. | Diversified Financial Services | S+650 | 1.00% | 11.46% | 9/14/2018 | 11/29/20242024-09-300001418076ENS Holdings III Corp and ES Opco USA LLC | Trading Companies and Distributors | S+475 | 1.00% | 9.45% | 12/31/252024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Meditrina, Inc. | Health Care Equipment & Supplies | S+550 | 3.45% | 10.67% | 12/20/2022 | 12/1/20272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Copper River Seafoods, Inc. | Food Products | P+275 | —% | 10.75% | 12/1/2023 | 4/23/20252024-01-012024-09-300001418076us-gaap:EquitySecuritiesMember2024-09-3000014180762023-06-300001418076Ultimate Baked Goods Midco LLC | Packaged Foods & Meats | S+625 | 1.00% | 11.41% | 8/13/272024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMembersrt:MaximumMember2024-09-300001418076ck0001418076:BdgMediaInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Vapotherm, Inc. Warrants| Health Care Equipment & Supplies | 2/18/20222023-12-310001418076Equipment Financing | Nimble Crane LLC | Commercial Services & Supplies | 9.18% | 7/13/2023 | 7/13/20282024-01-012024-09-300001418076Equipment Financing | Hawkeye Contracting Company, LLC | Construction & Engineering | 10.50% | 10/8/2021 | 11/1/20252024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/20272024-01-012024-09-300001418076ck0001418076:AscHoldcoLlcMember2023-12-310001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/2028srt:MaximumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Human Interest Inc. | Internet Software & Services | S+735 | 1.00% | 12.55% | 6/30/2022 | 7/1/20272024-01-012024-09-300001418076ck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2024-09-300001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/20302023-12-310001418076Equipment Financing | GMT Corporation | Machinery | 10.71% | 10/23/2018 | 1/1/20262023-01-012023-12-310001418076SunMed Group Holdings, LLC | Health Care Equipment and Supplies | S+550 | 0.75% | 10.96% | 6/16/282023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Crewline Buyer, Inc. | IT Services | S+675 | 1.00% | 12.10% | 11/8/2023 | 11/8/20302023-12-310001418076ck0001418076:AdvisoryAgreementMembersrt:MaximumMember2024-01-012024-09-300001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/20272024-01-012024-09-300001418076Equipment Financing | Lux Vending, LLC | Consumer Finance | 12.46-13.26% | 8/20/2021 | 7/20/2024-10/1/20242023-01-012023-12-310001418076ck0001418076:DistributorsMember2023-12-310001418076iCIMS, Inc | Software | S+725 | 0.75% | 12.56% | 8/18/282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CC SAG Holdings Corp. (Spectrum Automotive) | Diversified Consumer Services | S+525 | 0.75% | 9.85% | 6/29/2021 | 6/29/20282024-09-300001418076us-gaap:EquitySecuritiesMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Equipment Financing | Bazzini, LLC | Food & Staples Retailing | 10.46% | 12/23/2022 | 1/1/20282023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Medrina, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.67% | 10/20/2023 | 10/20/20292023-12-310001418076Equipment Financing | Rotten Rock Hardscaping & Tree Service | Diversified Consumer Services | 8.21% | 12/6/2022 | 12/6/20272024-01-012024-09-300001418076ck0001418076:BaysideParentLlcEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Equipment Financing | Mountain Air Helicopters Inc | Commercial Services & Supplies | 10.00% | 7/31/2017 | 2/28/20252023-01-012023-12-310001418076Equipment Financing | ST Coaches, LLC | Road & Rail | 8.50% | 7/31/2017 | 1/25/20252024-09-300001418076GSM Acquisition Corp | Leisure Equipment and Products | S+500 | 1.00% | 10.47%2023-12-310001418076us-gaap:OverAllotmentOptionMember2010-02-100001418076ck0001418076:KingsbridgeHoldingsLlcMembersrt:MaximumMember2020-11-030001418076srt:MinimumMemberEquipment Financing | Boart Longyear Company | Metals & Mining | 8.31-10.44% | 5/28/2020 | 7/1/2024-10/7/20262023-12-310001418076Equipment Financing | Superior Transportation, Inc | Road & Rail |10.22-10.69% | 7/31/2017 | 1/1/20262024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UrologyManagementHoldingsIncMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Venus Concept Ltd. Warrants (f/k/a Restoration Robotics)| Health Care Equipment & Supplies | 5/10/20182024-09-300001418076Ultimate Baked Goods Midco LLC | Packaged Foods and Meats | S+625 | 1.00% | 11.71% | 8/13/272023-01-012023-12-310001418076Equipment Financing | Bowman Energy Solutions, LLC | Commercial Services & Supplies | 7.42% | 7/1/2022 | 7/1/20262023-01-012023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2024-09-300001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/20282024-09-300001418076Equipment Financing | Lux Vending, LLC | Consumer Finance | 12.46-13.26% | 8/20/2021 | 7/20/2024-10/1/2024srt:MinimumMember2023-12-310001418076Cash Equivalents | U.S. Treasury Bill | Government | 12/29/2023 | 2/27/20242023-01-012023-12-310001418076ck0001418076:EquipmentFinancingMembersrt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076us-gaap:EquitySecuritiesMember2024-06-300001418076ck0001418076:PharmaceuticalsMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2024-01-012024-09-300001418076Equipment Financing | First National Capital, LLC | Diversified Financial Services | 9.00% | 11/5/2021 | 8/1/20262024-09-300001418076ck0001418076:PersonalProductsMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationTechniqueRecoveryApproachMemberck0001418076:InvestmentInSeniorSecuredLoansMemberck0001418076:MeasurementInputRecoverableAmountMember2023-12-310001418076Equipment Financing | Dongwon Autopart Technology Inc | Auto Components | 7.96%| 2/2/2021|1/1/20262024-01-012024-09-300001418076Equipment Financing | Boart Longyear Company | Metals & Mining | 8.31-10.44% | 5/28/2020 | 7/1/2024-10/7/2026srt:MaximumMember2023-12-310001418076ck0001418076:SlrBusinessCreditMemberck0001418076:SeniorSecuredCommitmentsMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:EyesouthEyeCareHoldcoLlcMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyFiveUnsecuredNotesMember2023-12-310001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | AMF Levered II, LLC | Diversified Financial Services | S+705 | 1.00% | 12.52% | 12/24/2021 | 8/21/20282023-01-012023-12-310001418076ck0001418076:SeniorSecuredNotesMember2015-12-310001418076Equipment Financing | Nimble Crane LLC | Commercial Services & Supplies | 9.18% | 7/13/2023 | 7/13/20282024-09-300001418076Common Equity/Equity Interests/Warrants | CardioFocus, Inc. Warrants | Health Care Equipment & Supplies | 3/31/20172024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Southern Orthodontic Partners Management, LLC | Health Care Providers & Services | S+550 | 1.00% | 10.10% | 6/3/2022 | 7/27/20262024-09-300001418076ck0001418076:RdHoldcoIncClassBMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceEquityMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Bayside Parent, LLC | Health Care Providers & Services | 5/31/20232023-01-012023-12-310001418076ck0001418076:SlrHealthcareAblCreditMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMember2023-07-012023-09-300001418076Common Equity/Equity Interests/Warrants | SLR-AMI Topco Blocker, LLC | Internet & Catalog Retail | 6/16/20232023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Peter C. Foy & Associates Insurance Services, LLC | Insurance | S+550 | 0.75% | 10.35% | 4/1/2022 | 11/1/20282024-09-300001418076ck0001418076:SlrHealthcareAblMembersrt:MaximumMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2017-12-310001418076Equipment Financing | Carolinas Contracting, LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | FE Advance, LLC | Diversified Financial Services | S+650 | 1.00% | 11.71% | 7/30/2024 | 7/30/20272024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 9.70% | 4/1/2022 | 8/18/20272024-01-012024-09-300001418076ck0001418076:BaysideOpcoLLCMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-09-300001418076ck0001418076:PeterC.FoyAssociatesInsuranceServicesLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Ultimate Baked Goods Midco LLC (Rise Baking) | Packaged Foods & Meats | S+625 | 1.00% | 10.96% | 8/12/2021 | 8/13/20272023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:BrainjoltLLCMember2023-12-310001418076ONS MSO, LLC | Health Care Providers and Services | S+625 | 1.00% | 11.62% | 7/8/262023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceEquityMember2022-12-310001418076ck0001418076:CreditFacilityMember2024-09-300001418076ck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Higginbotham Insurance Agency, Inc. | Insurance | S+550 | 1.00% | 10.96% | 4/1/2022 | 11/25/20282023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.79% | 2/12/2021 | 2/12/20272023-12-310001418076ck0001418076:MultiSectorHoldingsMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:PlasticManagementLlcMember2023-12-310001418076ck0001418076:SpreadThreeMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2020-12-310001418076ck0001418076:SlrEquipmentFinanceMember2023-08-240001418076Urology Management Holdings, Inc. | Health Care Providers & Services | S+550 | 1.00% | 10.70% | 6/15/262024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Sightly Enterprises, Inc | Media | P+575 | 6.00% | 13.75% | 1/22/2024 | 12/31/20242024-09-300001418076Aegis Toxicology Sciences Corporation | Health Care Providers and Services | S+550 | 1.00% | 10.87% | 5/9/252024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SPAR Marketing Force, Inc. | Media | P+190 | —% | 10.40% | 12/1/2023 | 10/10/20242023-01-012023-12-310001418076ck0001418076:SlramiTopcoBlockerLlcMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | One Touch Direct, LLC | Commercial Services & Supplies | P+75 | —% | 9.25% | 12/1/2023 | 3/31/20252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | United Digestive MSO Parent, LLC | Health Care Providers & Services | S+675 | 1.00% | 12.25% | 3/30/2023 | 3/30/20292023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:MedrinaLLCMember2023-12-310001418076us-gaap:FairValueInputsLevel2Memberck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/2028srt:MinimumMember2023-12-310001418076Equipment Financing | Zamborelli Enterprises Pacific Southern Foundation | Diversified Consumer Services | 8.91% | 12/7/2022 | 1/1/20272023-01-012023-12-310001418076ck0001418076:PreferredEquityMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | United Digestive MSO Parent, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.25% | 3/30/2023 | 3/30/20292024-01-012024-09-300001418076Equipment Financing | Total Equipment Financing2023-12-310001418076Equipment Financing | Rotten Rock Hardscaping & Tree Service | Diversified Consumer Services | 8.21% | 12/6/2022 | 12/6/20272023-12-310001418076Kid Distro Holdings, LLC | Software | S+475 | 1.00% | 10.15% | 10/1/292024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:FoundationConsumerBrandsLlcMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | TAUC Management, LLC | Health Care Providers & Services | P+450 | 1.00% | 13.00% | 4/1/2022 | 2/12/20272023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CcSagHoldingsCorp.SpectrumAutomotiveMember2024-09-300001418076The Townsend Company, LLC | Commercial Services and Supplies | S+625 | 1.00% | 11.61% | 8/15/292023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:AmerimarkIntermediateHoldingsLlcMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrBusinessCreditMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:SeniorSecuredNotesMember2014-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:AlkemeIntermediaryHoldingsLlcMember2024-09-300001418076Equipment Financing | Bowman Energy Solutions, LLC | Commercial Services & Supplies | 7.42% | 7/1/2022 | 7/1/20262024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Alkeme Intermediary Holdings, LLC | Insurance | S+650 | 1.00% | 11.96% | 9/20/2023 | 10/28/20262023-12-310001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08%| 10/31/2022 | 11/1/2027-6/1/20292024-01-012024-09-300001418076ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.35% | 7/8/262024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Credit Solutions | Diversified Financial Services | 12/28/20122023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Conventus Orthopaedics, Inc. Warrants | Health Care Equipment & Supplies | 6/15/20162024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2020-12-310001418076Apex Service Partners, LLC | Diversified Consumer Services | S+650 | 1.00% | 11.17% |10/24/302024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceDebtMember2023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:OrthopedicCarePartnersManagementLlcMember2024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMember2023-01-012023-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CVAUSA Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.12% | 5/22/2023 | 5/22/20292024-01-012024-09-300001418076ck0001418076:BiotechnologyMember2023-12-310001418076Common Equity/Equity Interests/Warrants | KBH Topco LLC (Kingsbridge). | Multi-Sector Holdings | 11/3/20202024-09-300001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/2028srt:MaximumMember2024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Opco, LLC | Health Care Providers & Services | S+725 | 1.00% | 12.00% | 5/31/2023 | 5/31/20262024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ArcutisBiotherapeticsInc.Member2023-12-310001418076Equipment Financing | Energy Drilling Services, LLC | Diversified Consumer Services | 6.58-9.16% | 8/26/2022 | 11/9/2025-9/1/20272023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kaseya, Inc. | Software | S+600 | 0.75% | 10.86% | 6/22/2022 | 6/23/20292023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Equipment Financing | Superior Transportation, Inc | Road & Rail | 10.22-10.63% | 7/31/2017 | 1/1/20262023-12-310001418076ck0001418076:PinnacleTreatmentCentersInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Common Equity/Equity Interests/Warrants | aTyr Pharma, Inc. Warrants | Pharmaceuticals | 11/18/20162023-01-012023-12-310001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services | 8.43-10.00% | 7/31/2019 | 8/1/2024-10/5/20252023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2017-12-310001418076Senior Secured Loans | Total First Lien Life Science Senior Secured Loans2023-12-310001418076srt:MaximumMemberEquipment Financing | Superior Transportation, Inc | Road & Rail | 10.22-10.63% | 7/31/2017 | 1/1/20262023-12-310001418076ck0001418076:CapitalMarketsMember2024-09-300001418076ck0001418076:BaysideParentLlcEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:WCI-BXCPurchaserLLCMember2024-09-300001418076ck0001418076:DiversifiedFinancialServicesMember2023-12-310001418076WCI-BXC Purchaser, LLC | Distributors | S+625 | 1.00% | 11.48% | 11/6/302024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | UVP Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.00% | 9/18/2023 | 9/15/20252024-09-300001418076ck0001418076:VapothermInc.Memberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/20262023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2017-07-310001418076ck0001418076:SlrHealthcareAblCreditMember2024-07-012024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) | Diversified Consumer Services | 12/23/20132024-09-300001418076ck0001418076:SlrEquipmentFinanceMember2024-09-190001418076ck0001418076:ValuationApproachMarketMultipleMembersrt:WeightedAverageMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputComparableMultipleMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Exactcare Parent, Inc. | Health Care Providers & Services | S+650 | 1.00% | 11.89% | 11/3/2023 | 11/5/20292023-01-012023-12-310001418076Equipment Financing | No Limit Construction Services, LLC | Commercial Services & Supplies | 7.73% | 5/5/2023 | 6/1/20282024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-07-012023-09-300001418076Equipment Financing | The Smedley Company & Smedley Services, Inc | Commercial Services & Supplies | 4.07% | 7/31/2017 | 1/15/20282023-01-012023-12-310001418076Equipment Financing | Carolinas Contracting LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/2028srt:MaximumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Luxury Asset Capital, LLC | Thrifts & Mortgage Finance | S+675 | 1.00% | 12.07% | 7/15/2022 | 7/15/20272024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Crewline Buyer, Inc. | IT Services | S+675 | 1.00% | 12.10% | 11/8/2023 | 11/8/20302023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vapotherm, Inc. | Health Care Equipment & Supplies | S+600 | 4.50% | 10.96% | 2/18/2022 | 9/20/20272024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Higginbotham Insurance Agency, Inc. | Insurance | S+550 | 1.00% | 10.96% | 4/1/2022 | 11/25/20282023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncWarrantsMember2022-12-310001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SPAR Marketing Force, Inc. | Media | P+190 | —% | 9.90% | 12/1/2023 | 10/10/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Fertility (ITC) Investment Holdco, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.97% | 1/4/2023 | 1/3/20292023-01-012023-12-310001418076Equipment Financing | Up Trucking Services, LLC | Road & Rail | 11.21% | 3/23/2018 | 8/1/20242023-01-012023-12-310001418076ck0001418076:ConstructionAndEngineeringMember2024-09-300001418076ck0001418076:BaysideOpcoLLCOneMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | DeepIntent, Inc. | Media | P+225 | 5.25% | 10.25% | 12/1/2023 | 6/30/20262024-01-012024-09-300001418076srt:MinimumMemberEquipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272024-09-300001418076srt:MinimumMemberEquipment Financing | Aero Operating LLC | Commercial Services & Supplies| 8.47-9.64% | 2/12/2021 | 3/1/2025-11/1/20262023-12-3100014180762023-07-012023-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vapotherm, Inc. | Health Care Equipment & Supplies | S+600 | 4.50% | 10.96% | 2/18/2022 | 9/20/20272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Enhanced Permanent Capital, LLC | Capital Markets | S+700 | 1.00% | 12.44% | 12/29/2020 | 12/29/20252023-01-012023-12-310001418076srt:MinimumMemberEquipment Financing | Energy Drilling Services, LLC | Diversified Consumer Services | 6.58-9.16% | 8/26/2022 | 11/9/2025-9/1/20272023-12-310001418076Equipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2024-9/25/20242023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CcSagHoldingsCorp.SpectrumAutomotiveMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Vertos Medical, Inc. Warrants| Health Care Equipment & Supplies | 9/20/20272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | GSM Acquisition Corp. | Leisure Equipment & Products | S+500 | 1.00% | 10.47% | 4/1/2022 | 11/16/20262023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076ck0001418076:SlrCreditSolutionsMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncCommonEquityMember2023-01-012023-12-310001418076ck0001418076:SlrHealthcareAblCreditMember2023-01-012023-09-300001418076CC SAG Holdings Corp | Diversified Consumer Services | S+525 | 0.75% | 9.85% | 6/29/282024-01-012024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Alimera Sciences, Inc. | Pharmaceuticals | S+515 | 4.60% | 10.50% | 12/31/2019 | 5/1/20282023-12-310001418076ck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076srt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076United Digestive MSO Parent, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.25% | 3/30/292024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Shoes for Crews Global, LLC | Diversified Consumer Services | S+650 | 1.00% | 11.82% | 6/30/2024 | 6/30/20292024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) Class B | Diversified Consumer Services | 12/23/20132023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageAndLessThanTwentyFivePercentageOwnedMember2023-01-012023-09-300001418076Maxor Acquisition, Inc | Health Care Providers and Services| S+675 | 1.00% | 11.70% | 3/1/292024-01-012024-09-300001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2023-07-012023-09-300001418076Equipment Financing | C-Port/Stone LLC | Oil, Gas & Consumable Fuels | 8.54% | 10/7/2022 | 11/1/20272023-12-310001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2020-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:SlramiTopcoBlockerLlcMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076ck0001418076:AutoComponentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Copper River Seafoods, Inc. | Food Products | P+275 | —% | 11.25% | 12/1/2023 | 4/23/20252023-12-310001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2024-06-300001418076Equipment Financing | Up Trucking Services, LLC | Road & Rail | 11.30% | 3/23/2018 | 8/1/20242024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2022-10-120001418076ck0001418076:SlrBusinessCreditRevolverMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:CreditFacilityOneMember2023-12-310001418076ck0001418076:BaysideParentLlcLoanMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Senior Secured Loans | Second Lien Bank Debt/Senior Secured Loans | RD Holdco, Inc. | Diversified Consumer Services | S+975 | 1.00% | 12/23/2013 | 10/12/20262024-01-012024-09-300001418076Equipment Financing | Bazzini, LLC | Food & Staples Retailing | 10.46% | 12/23/2022 | 1/1/20282023-12-310001418076Equipment Financing | Extreme Steel Crane & Rigging, LLC | Commercial Services & Supplies | 9.52% | 3/3/2023 | 3/3/20272023-12-310001418076Equipment Financing | Star Coaches Inc | Road & Rail | 8.42% | 3/9/2018 | 4/1/20252023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ArcutisBiotherapeticsInc.Member2024-09-300001418076ck0001418076:SlrBusinessCreditRevolverMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Crewline Buyer Inc | IT Services | S+675 | 1.00% | 11.35% | 11/8/302024-01-012024-09-300001418076srt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2019-12-180001418076GSM Acquisition Corp | Leisure Equipment and Products | S+500 | 1.00% | 10.47%2023-01-012023-12-3100014180762019-12-182019-12-180001418076Equipment Financing | Environmental Protection & Improvement Company, LLC | Road & Rail | 8.25% | 9/30/2020 | 10/1/20272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kingsbridge Holdings, LLC | Multi-Sector Holdings | S+700 | 1.00% | 12.49% | 12/21/2018 | 12/21/20242024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Accession Risk Management Group, Inc. (f/k/a RSC Acquisition, Inc.) | Insurance | S+550 | 0.75% | 11.00% | 4/1/2022 | 11/1/20292023-01-012023-12-310001418076ck0001418076:SlrCreditSolutionsMember2023-12-310001418076Common Equity/Equity Interests/Warrants | CardioFocus, Inc. Warrants | Health Care Equipment & Supplies | 3/31/20172023-01-012023-12-310001418076BayMark Health Services, Inc | Health Care Providers and Services | S+500 | 1.00% | 10.61% | 6/11/272023-01-012023-12-310001418076ck0001418076:AerospaceAndDefenseMember2023-12-310001418076Equipment Financing | Kool Pak, LLC | Road & Rail | 8.58% | 2/5/2018 | 3/1/20242023-01-012023-12-310001418076ck0001418076:TermLoansMember2014-12-310001418076ck0001418076:RdHoldcoIncDebtMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076Equipment Financing | Mountain Air Helicopters, Inc | Commercial Services & Supplies | 10.00% | 7/31/2017 | 2/28/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Aegis Toxicology Sciences Corporation | Health Care Providers & Services | S+550 | 1.00% | 11.13% | 5/7/2018 | 5/9/20252023-01-012023-12-310001418076ck0001418076:CommercialServicesAndSuppliesMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:GsmAcquisitionCorpMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Vertos Medical, Inc. Warrants| Health Care Equipment & Supplies | 9/20/20272024-09-300001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262024-01-012024-09-300001418076Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.79% | 2/12/272023-12-310001418076ck0001418076:SlrBusinessCreditMember2024-01-012024-09-300001418076Pinnacle Treatment Centers, Inc | Health Care Providers and Services | S+650 | 1.00% | 11.95% | 1/2/262023-12-310001418076Common Equity/Equity Interests/Warrants | Senseonics Holdings, Inc. | Health Care Equipment & Supplies | 7/25/20192023-12-310001418076Common Equity/Equity Interests/Warrants | Vertos Medical, Inc. Warrants| Health Care Equipment & Supplies | 6/14/2023 2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Fertility (ITC) Investment Holdco, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.97% | 1/4/2023 | 1/3/20292023-12-310001418076ck0001418076:HotelsRestaurantsAndLeisureMember2024-09-300001418076Equipment Financing | Rane Light Metal Castings Inc | Machinery | 10.00% | 6/1/2020 | 6/1/20242023-12-310001418076Equipment Financing | International Automotive Components Group, North America, Inc | Auto Components | 7.95% | 6/23/2021 | 6/23/20252024-09-300001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/20282023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.61% | 8/17/2023 | 8/15/20292023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Credit Solutions | Diversified Financial Services | 12/28/20122024-01-012024-09-300001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272024-01-012024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMembersrt:ManagementMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | DeepIntent, Inc. | Media | P+175 | —% | 10.25% | 12/1/2023 | 3/25/20252023-12-310001418076ck0001418076:SlrCreditSolutionsMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | WCI-BXC Purchaser, LLC | Distributors | S+625 | 1.00% | 11.64% | 11/6/2023 | 11/6/20302023-01-012023-12-310001418076Urology Management Holdings, Inc | Health Care Providers and Services | S+650 | 1.00% | 11.93% | 6/15/262023-12-310001418076ck0001418076:TradingCompaniesAndDistributorsMember2023-12-310001418076Tilley Distribution, Inc | Trading Companies and Distributors | S+600 | 1.00% | 11.50% | 12/31/262023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076ck0001418076:SlrCreditSolutionsMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Aegis Toxicology Sciences Corporation | Health Care Providers & Services | S+550 | 1.00% | 11.13% | 5/7/2018 | 5/9/20252023-12-310001418076srt:MaximumMemberEquipment Financing | Superior Transportation, Inc | Road & Rail |10.22-10.69% | 7/31/2017 | 1/1/20262024-09-300001418076Equipment Financing | PCX Aerostructures LLC | Aerospace & Defense | 9.32% | 11/23/2022 | 12/1/20282023-01-012023-12-310001418076ck0001418076:RoadAndRailMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Meditrina, Inc. Warrants | Health Care Equipment & Supplies | 12/20/20222023-12-310001418076Tilley Distribution, Inc | Trading Companies and Distributors | S+600 | 1.00% | 11.50% | 12/31/262023-01-012023-12-310001418076ck0001418076:NorthMillCapitalLlcMember2017-10-200001418076Common Equity/Equity Interests/Warrants | Conventus Orthopaedics, Inc. Warrants | Health Care Equipment & Supplies | 6/15/20162023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Exactcare Parent, Inc. | Health Care Providers & Services | S+650 | 1.00% | 11.89% | 11/3/2023 | 11/5/20292023-12-310001418076ck0001418076:SpreadOneMember2024-09-300001418076Senior Secured Loans | Total First Lien Bank Debt/Senior Secured Loans2024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputComparableMultipleMembersrt:MaximumMember2023-12-310001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies| 8.47-9.64% | 2/12/2021 | 3/1/2025-11/1/20262023-12-310001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2024-01-012024-09-300001418076Equipment Financing | Boart Longyear Company | Metals & Mining | 8.31-10.44% | 5/28/2020 | 7/1/2024-10/7/20262023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UrologyManagementHoldingsIncMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Common Equity/Equity Interests/Warrants | SLR Senior Lending Program LLC | Asset Management | 12/1/20222023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RQM+ Corp. | Life Sciences Tools & Services | S+575 | 1.00% | 10.62% | 8/20/2021 | 8/12/20262024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:RetinaMidcoIncMember2024-09-300001418076ck0001418076:EquipmentFinancingMemberck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | SPR Therapeutics, Inc. | Health Care Technology | S+515 | 4.00% | 10.32% | 1/30/2024 | 2/1/20292024-01-012024-09-300001418076Tilley Distribution, Inc | Trading Companies & Distributors | S+600 | 1.00% | 10.75% | 12/31/262024-01-012024-09-300001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2016-12-310001418076ck0001418076:AmeriMarkIntermediateHoldingsOneLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Atria Wealth Solutions, Inc. | Diversified Financial Services | S+650 | 1.00% | 11.46% | 9/14/2018 | 11/29/20242024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:VeronicaHoldingsLlcPreferredEquityMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:AlkemeIntermediaryHoldingsLlcMember2023-12-310001418076Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.50% | 2/12/272024-09-300001418076United Digestive MSO Parent, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.25% | 3/30/292024-09-300001418076ck0001418076:SummitFinancialResourcesMember2019-06-280001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Urology Management Holdings, Inc. | Health Care Providers & Services | S+550 | 1.00% | 10.52% | 2/7/2023 | 6/15/20272024-09-300001418076Common Equity/Equity Interests/Warrants | NSPC Holdings, LLC (National Spine) | Health Care Providers & Services | 2/13/20232023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationTechniqueRecoveryApproachMemberck0001418076:InvestmentInSeniorSecuredLoansMemberck0001418076:MeasurementInputRecoverableAmountMember2024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncCommonEquityMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.46% | 6/16/2021 | 6/16/20282024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BayMark Health Services, Inc. | Health Care Providers & Services | S+500 | 1.00% | 10.61% | 4/1/2022 | 6/11/20272023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | iCIMS, Inc. | Software | S+725 | 0.75% | 10.60% | 8/18/2022 | 8/18/20282024-01-012024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | FGI Worldwide LLC | Diversified Financial Services | S+650 | 1.00% | 11.86% | 4/17/2023 | 4/17/20282023-01-012023-12-310001418076us-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/2027srt:MaximumMember2023-12-310001418076us-gaap:PrivatePlacementMember2010-02-102010-02-100001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kaseya, Inc. | Software | S+550 | 0.75% | 10.10% | 6/22/2022 | 6/23/20292024-09-300001418076ck0001418076:SlrCreditSolutionsMember2024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditMemberck0001418076:SeniorSecuredCommitmentsMember2024-09-300001418076srt:WeightedAverageMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076Preferred Equity | SOINT LLC | Aerospace & Defense | 5.00% | 6/8/2012 | 6/30/20252023-01-012023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Cerapedics, Inc. | Biotechnology | S+620 | 2.75% | 11.55% | 12/27/2022 | 1/1/20282023-12-310001418076Equipment Financing | International Automotive Components Group, North America, Inc | Auto Components | 7.95% | 6/23/2021 | 6/23/20252023-12-310001418076Equipment Financing | Signet Marine Corporation | Transportation Infrastructure | 8.50% | 10/31/2022 | 10/1/20292024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ArdelyxIncMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | United Digestive MSO Parent, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.25% | 3/30/2023 | 3/30/20292024-09-300001418076CVAUSA Management, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.12% | 5/22/292024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Outset Medical, Inc. | Health Care Equipment & Supplies | S+515 | 2.75% | 10.32% | 11/3/2022 | 11/1/20272024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:IcimsInc.Member2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | One Touch Direct, LLC | Commercial Services & Supplies | P+75 | 4.00% | 8.75% | 12/1/2023 | 3/31/20262024-01-012024-09-300001418076ck0001418076:CompaniesFivePercentageToTwentyFivePercentageOwnedMember2023-12-310001418076ENS Holdings III Corp and ES Opco USA LLC | Trading Companies and Distributors | S+475 | 10.20% | 11.13% | 12/31/252023-01-012023-12-310001418076 Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vertos Medical, Inc. | Health Care Equipment & Supplies | S+515 | 4.75% | 10.50% | 6/14/2023 | 7/1/20282023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | iCIMS, Inc. | Software | S+725 | 0.75% | 10.60% | 8/18/2022 | 8/18/20282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Shoes for Crews Global, LLC | Diversified Consumer Services | S+650 | 1.00% | 11.82% | 6/30/2024 | 6/30/20292024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMember2024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:AmerimarkIntermediateHoldingsLlcMember2022-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:VeronicaHoldingsLlcPreferredEquityMember2023-12-310001418076srt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076ck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/20302024-09-300001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/2027srt:MaximumMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Assertio Holdings, Inc. | Pharmaceuticals | 7/31/2023 2023-12-310001418076ck0001418076:KaseyaIncMember2024-09-300001418076Equipment Financing | Zamborelli Enterprises Pacific Southern Foundation | Diversified Consumer Services| 8.91% | 12/7/2022 | 1/1/20272024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Healthcare ABL | Diversified Financial Services | 4/1/20222023-01-012023-12-310001418076CVAUSA Management, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.74% | 5/22/292023-12-310001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services | 8.43-10.00% | 7/31/2019 | 8/1/2024-10/5/20252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.79% | 2/12/2021 | 2/12/20272023-01-012023-12-310001418076Equipment Financing | Extreme Steel Crane & Rigging, LLC | Commercial Services & Supplies | 9.52% | 3/3/2023 | 3/3/20272024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2023-12-310001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2023-01-012023-12-310001418076us-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMembersrt:MinimumMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Equipment Financing | Miranda Logistics Enterprise, Inc | Construction & Engineering | 7.69% | 4/14/2023 | 4/14/20282023-12-310001418076Equipment Financing | Dongwon Autopart Technology Inc | Auto Components | 7.96% | 2/2/2021 |1/1/20262023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RQM+ Corp. | Life Sciences Tools & Services | S+575 | 1.00% | 11.36% | 8/20/2021 | 8/12/20262023-01-012023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Ardelyx, Inc. | Pharmaceuticals | S+425 | 4.70% | 9.45% | 2/23/2022 | 3/1/20272024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | 33Across Inc. | Media | P+232 | 8.50% | 10.32% | 1/22/2024 | 10/31/20252024-01-012024-09-300001418076Erie Construction Mid-west, LLC | Building Products | S+475 | 1.00% | 10.20% | 7/30/272023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 10.45% | 4/1/2022 | 8/18/20272023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ENS Holdings III Corp. & ES Opco USA LLC (Bluefin) | Trading Companies & Distributors | S+475 | 1.00% | 10.20% | 4/1/2022 | 12/31/20252023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:KidDistroHoldingsLlcDistroKidMember2023-12-310001418076Apex Service Partners, LLC | Diversified Consumer Services | S+700 | 1.00% | 11.87% |10/24/302023-12-310001418076Equipment Financing | A&A Crane and Rigging, LLC | Commercial Services & Supplies | 7.78% | 3/27/2023 | 3/27/20282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.62% | 2/10/2023 | 7/8/20262023-01-012023-12-310001418076Equipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282024-01-012024-09-300001418076Fertility (ITC) Investment Holdco, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.97% | 1/3/292023-12-310001418076us-gaap:FairValueInputsLevel3Member2024-09-300001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2024-07-012024-09-300001418076ck0001418076:PreferredEquityMemberck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:LifeSciencesToolsAndServicesMember2023-12-310001418076Equipment Financing | SLR Equipment Finance Equity Interests | Multi-Sector Holdings | 7/31/20172023-01-012023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Arcutis Biotherapeutics, Inc. | Pharmaceuticals | S+745 | 0.10% | 12.90% | 12/22/2021 | 1/1/20272023-01-012023-12-310001418076Equipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Vessco Midco Holdings, LLC | Water Utilities | P+350 | 1.00% | 12.00% | 4/1/2022 | 11/2/20262023-01-012023-12-310001418076ck0001418076:SlrBusinessCreditMember2023-01-012023-09-300001418076ck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMemberck0001418076:LondonInterbankOfferedRateMembersrt:MaximumMember2024-01-012024-09-300001418076Equipment Financing | The Smedley Company & Smedley Services, Inc | Commercial Services & Supplies | 4.07% | 7/31/2017 | 1/15/20282023-12-310001418076Senior Secured Loans | Total Senior Secured Loans2023-12-310001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/2026srt:MinimumMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.61% | 8/17/2023 | 8/15/20292023-01-012023-12-310001418076Equipment Financing | Environmental Protection & Improvement Company, LLC | Road & Rail | 8.25% | 9/30/2020 | 10/1/20272024-09-300001418076ck0001418076:RdHoldcoIncDebtMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Maxor Acquisition, Inc. | Health Care Providers & Services | S+675 | 1.00% | 12.48% | 3/1/2023 | 3/1/20292023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BDG Media, Inc. | Media | P+525 | 5.50% | 13.25% | 7/18/2022 | 7/31/20252024-09-300001418076ck0001418076:KbhTopcoLlcKingsbridgeMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:CreditFacilityMember2014-12-310001418076ck0001418076:CrystalFinancialMemberck0001418076:SlrBusinessCreditFacilityMember2012-12-282012-12-280001418076ck0001418076:SlrHealthcareAblCreditMember2023-01-012023-06-300001418076ck0001418076:CreditFacilityMember2015-12-310001418076srt:MinimumMemberEquipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282023-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RQM+ Corp. | Life Sciences Tools & Services | S+575 | 1.00% | 11.36% | 8/20/2021 | 8/12/20262023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2024-01-312024-01-310001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies | 8.47-9.04% | 2/12/2021 | 3/1/2025-12/1/2026srt:MinimumMember2024-09-300001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services| 8.43% | 7/31/2019 | 10/5/20252024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditFacilityMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2018-12-310001418076WCI-BXC Purchaser, LLC | Distributors | S+625 | 1.00% | 11.48% | 11/6/302024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrEquipmentFinanceMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyFiveUnsecuredNotesMember2022-12-310001418076Equipment Financing | Rango, Inc | Commercial Services & Supplies | 9.33% | 9/24/2019 | 11/1/20242023-12-310001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2021-12-310001418076Equipment Financing | Loc Performance Products, LLC | Machinery | 10.50% | 12/29/2022 | 6/1/20272023-12-310001418076ck0001418076:HealthCareTechnologyMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ErieConstructionMidwestLlcMember2024-09-300001418076ck0001418076:TermLoanAndCreditFacilityMember2023-12-310001418076Equipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure| 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.48% | 4/1/2022 | 3/13/20262023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Healthcare ABL | Diversified Financial Services | 4/1/20222024-01-012024-09-300001418076Equipment Financing | Bowman Energy Solutions, LLC | Commercial Services & Supplies | 7.42% | 7/1/2022 | 7/1/20262023-12-310001418076Common Equity/Equity Interests/Warrants | Total Common Equity/Equity Interests/Warrants2023-12-310001418076ck0001418076:SlramiTopcoBlockerLlcMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076ck0001418076:TermLoansMember2019-12-310001418076ck0001418076:TermLoansMember2022-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Business Credit | Diversified Financial Services | 4/1/20222024-01-012024-09-300001418076ck0001418076:HealthCareProvidersAndServicesMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Fertility (ITC) Investment Holdco, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.74% | 1/3/292024-09-300001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/2030srt:MinimumMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SHO Holding I Corporation (Shoes for Crews) | Footwear | S+523 | 1.00% | 10.87% | 4/1/2022 | 4/27/20242023-12-310001418076us-gaap:FairValueInputsLevel2Memberck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Meditrina, Inc. Warrants | Health Care Equipment & Supplies | 12/20/20222024-09-300001418076ck0001418076:EnsHoldingsIiiCorpLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/20272023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Meditrina, Inc. Warrants | Health Care Equipment & Supplies | 12/20/20222024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.10% | 8/17/2023 | 8/15/20292024-09-300001418076Equipment Financing | Carolinas Contracting LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMember2020-11-032020-11-030001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SHO Holding I Corporation (Shoes for Crews) | Footwear | S+523 | 1.00% | 10.87% | 4/1/2022 | 4/27/20242023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:TheTownsendCompanyLLCMember2024-09-300001418076Alkeme Intermediary Holdings, LLC | Insurance| S+650 | 1.00% | 11.96% | 10/28/262023-01-012023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Equipment Financing | PCX Aerostructures LLC | Aerospace & Defense | 9.32% |11/23/2022 | 12/1/20282024-01-012024-09-300001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.69-9.94% | 11/15/2018 | 5/1/2024-9/1/2025srt:MaximumMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:LuxuryAssetCapitalLlcMember2023-12-310001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/2026srt:MaximumMember2024-09-300001418076Equipment Financing | Equipment Operating Leases, LLC | Multi-Sector Holdings | 8.37% | 4/27/2018 | 4/27/20252023-01-012023-12-310001418076srt:MinimumMemberEquipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262024-09-300001418076Equipment Financing | Womble Company, Inc. | Energy Equipment & Services| 9.11% | 12/27/2019 | 1/1/20252024-01-012024-09-300001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Equipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure | 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282023-01-012023-12-310001418076ck0001418076:CrystalFinancialMemberck0001418076:SlrBusinessCreditFacilityMember2016-07-280001418076us-gaap:EquitySecuritiesMember2022-12-310001418076ck0001418076:CreditFacilityMember2022-04-010001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/2027srt:MinimumMember2023-12-310001418076ONS MSO, LLC | Health Care Providers and Services | S+625 | 1.00% | 11.62% | 7/8/262023-12-310001418076Erie Construction Mid-west, LLC | Building Products | S+475 | 1.00% | 10.09% | 7/30/272024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2023-12-310001418076Equipment Financing | Rango, Inc | Commercial Services & Supplies | 9.33% | 9/24/2019 | 11/1/20242023-01-012023-12-310001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/20282024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SightlyEnterprisesInc.Member2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kaseya, Inc. | Software | S+600 | 0.75% | 10.86% | 6/22/2022 | 6/23/20292023-12-3100014180762023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Delphinus Medical Technologies, Inc. Warrants | Health Care Equipment & Supplies | 8/18/20172024-01-012024-09-300001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/2028srt:MaximumMember2024-09-300001418076ck0001418076:TermLoansMember2018-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | BridgeBio Pharma, Inc. | Biotechnology | — | —% | 9.00% | 11/17/2021 | 11/17/20262023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2019-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Ardelyx, Inc. | Pharmaceuticals | S+425 | 4.70% | 9.45% | 2/23/2022 | 3/1/20272024-01-012024-09-300001418076Equipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2026-9/25/2026srt:MaximumMember2024-09-300001418076ck0001418076:SoftwareMember2023-12-310001418076ck0001418076:AdvisoryAgreementMember2024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:SslpFacilityMember2018-12-310001418076ck0001418076:CreditFacilityMember2020-12-310001418076ck0001418076:AmeriMarkIntermediateHoldingsOneLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076ck0001418076:KbhtMember2024-03-130001418076ck0001418076:TransportationInfrastructureMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kid Distro Holdings, LLC (Distro Kid) | Software | S+550 | 1.00% | 11.00% | 9/24/2021 | 10/1/20272023-12-310001418076ck0001418076:SlrBusinessCreditFacilityMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Glooko, Inc. | Health Care Technology | S+790 | 0.10% | 13.35% | 9/30/2021 | 10/1/20262023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrBusinessCreditMember2023-01-012023-12-3100014180762024-07-012024-09-300001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.69-9.94% | 11/15/2018 | 5/1/2024-9/1/20252023-12-310001418076Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 9.70% | 8/18/272024-01-012024-09-300001418076Cash Equivalents | Net Assets2023-12-310001418076ck0001418076:SlrHealthcareAblCreditMember2023-07-012023-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Cerapedics, Inc. | Biotechnology | S+620 | 2.75% | 11.37% | 12/27/2022 | 1/1/20282024-09-300001418076ck0001418076:EquipmentFinancingMember2022-12-310001418076ck0001418076:NmcSeniorCreditFacilityMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Human Interest Inc. | Internet Software & Services | S+785 | 1.00% | 13.19% | 6/30/2022 | 7/1/20272023-12-310001418076BayMark Health Services, Inc | Health Care Providers and Services | S+500 | 1.00% | 9.87% | 6/11/272024-01-012024-09-300001418076ck0001418076:FastPayPartnersLlcMember2021-06-032021-06-030001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:DeepintentInc.Member2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:FoundationConsumerBrandsLlcMember2023-12-310001418076ck0001418076:KbhtMember2023-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMember2024-09-300001418076srt:MaximumMemberEquipment Financing | Energy Drilling Services, LLC | Diversified Consumer Services | 6.58-9.16% | 8/26/2022 | 11/9/2025-9/1/20272023-12-310001418076ck0001418076:TermLoansMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SouthernOrthodonticPartnersManagementLlcMember2023-12-310001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMembersrt:MaximumMember2024-09-300001418076ck0001418076:EquipmentFinancingMember2023-12-310001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services | 8.43-10.00% | 7/31/2019 | 8/1/2024-10/5/2025srt:MinimumMember2023-12-310001418076UVP Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.00% | 9/15/252024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Business Credit | Diversified Financial Services | 4/1/20222024-09-300001418076ck0001418076:BaysideParentLlcEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076Equipment Financing | Waste Pro of Florida, Inc. & Waste Pro USA, Inc. | Commercial Services & Supplies | 9.17% | 4/18/2023 | 4/18/20282023-12-310001418076iCIMS, Inc | Software | S+725 | 0.75% | 12.62% | 8/18/282023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:CreditFacilityMember2024-09-300001418076ck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Equipment Financing | Mountain Air Helicopters Inc | Commercial Services & Supplies | 10.00% | 7/31/2017 | 2/28/20252023-12-310001418076ck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Equipment Financing | RH Land Construction, LLC & Harbor Dredging LA, Inc | Construction & Engineering | 8.08% | 5/10/2023 | 5/10/20262023-12-310001418076Equipment Financing | Kool Pak, LLC | Road & Rail | 8.58% | 2/5/2018 | 3/1/20242023-12-310001418076us-gaap:EquitySecuritiesMember2024-07-012024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | AMF Levered II, LLC | Diversified Financial Services | S+705 | 1.00% | 12.02% | 12/24/2021 | 8/21/20282024-01-012024-09-300001418076ck0001418076:VapothermInc.Member2023-12-310001418076United Digestive MSO Parent, LLC | Health Care Providers and Services | S+675 | 1.00% | 12.25% | 3/30/292023-01-012023-12-310001418076ck0001418076:AutoPartsAndEquipmentMember2024-09-300001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/2026srt:MaximumMember2023-12-310001418076ck0001418076:TaucManagementLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076ck0001418076:MetalsAndMiningMember2023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Meditrina, Inc. | Health Care Equipment & Supplies | S+550 | 3.45% | 10.85% | 12/20/2022 | 12/1/20272023-12-310001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/20272024-09-300001418076ck0001418076:TwoThousandAndTwentyFiveUnsecuredNotesMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrBusinessCreditMember2022-12-310001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMembersrt:MinimumMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Equipment Financing | Rango, Inc | Commercial Services & Supplies | 9.33% | 9/24/2019 | 11/1/20242024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076srt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Southern Orthodontic Partners Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.72% | 6/3/2022 | 1/27/20262023-01-012023-12-310001418076ck0001418076:BaysideOpcoLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076Equipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure| 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282024-09-300001418076Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.79% | 2/12/272023-01-012023-12-310001418076srt:MinimumMemberEquipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure| 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282024-09-300001418076ck0001418076:IcimsInc.Member2024-09-3000014180762024-05-070001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:WestNRParentIncMember2023-12-310001418076Equipment Financing | No Limit Construction Services, LLC | Commercial Services & Supplies | 7.73% | 5/5/2023 | 6/1/20282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Parent, LLC | Health Care Providers & Services | S+1000 | 1.00% | 14.75% | 5/31/2023 | 5/31/20262024-01-012024-09-300001418076Equipment Financing | Up Trucking Services, LLC | Road & Rail | 11.21% | 3/23/2018 | 8/1/20242023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Peter C. Foy & Associates Insurance Services, LLC | Insurance | S+600 | 0.75% | 11.47% | 4/1/2022 | 11/1/20282023-01-012023-12-310001418076ck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:AdvisoryAgreementMembersrt:MinimumMember2024-01-012024-09-300001418076srt:MaximumMemberEquipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282023-12-310001418076ck0001418076:SlrHealthcareAblMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SunmedGroupHoldingsLlcMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Delphinus Medical Technologies, Inc. Warrants | Health Care Equipment & Supplies | 8/18/20172023-01-012023-12-310001418076Maxor Acquisition, Inc | Health Care Providers and Services| S+675 | 1.00% | 12.48% | 3/1/292023-01-012023-12-310001418076ck0001418076:CommercialServicesAndSuppliesMember2024-09-300001418076ck0001418076:AMFLeveredIILLCMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Vessco Midco Holdings, LLC | Water Utilities | S+450 | 1.00% | 9.96% | 11/2/262023-01-012023-12-310001418076us-gaap:LineOfCreditMemberck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-08-160001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | AMF Levered II, LLC | Diversified Financial Services | S+705 | 1.00% | 12.52% | 12/24/2021 | 8/21/20282023-12-310001418076ck0001418076:UvpManagementLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Basic Fun, Inc. | Specialty Retail | S+650 | 1.00% | 12.14% | 10/30/2020 | 7/2/20242023-01-012023-12-310001418076ck0001418076:SeniorSecuredNotesMember2017-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Alkeme Intermediary Holdings, LLC | Insurance | S+575 | 1.00% | 10.35% | 9/20/2023 | 10/28/20262024-01-012024-09-300001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UnitedDigestiveMSOParentLLCMember2023-12-310001418076ck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SointLlcMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | DeepIntent, Inc. | Media | P+175 | —% | 10.25% | 12/1/2023 | 3/25/20252023-01-012023-12-310001418076Equipment Financing | AmeraMex International, Inc. | Commercial Services & Supplies | 10.00% | 3/29/2019 | 10/15/20242023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:LegacyServicePartnersLLCMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Bayside Parent, LLC | Health Care Providers & Services | 5/31/20232024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076ck0001418076:NmcsCreditFacilityMember2024-09-270001418076Retina Midco, Inc | Health Care Providers & Services | S+600 | 1.00% | 10.86% | 1/31/262024-09-300001418076ck0001418076:BiotechnologyMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Maxor Acquisition, Inc. | Health Care Providers & Services | S+675 | 1.00% | 11.70% | 3/1/2023 | 3/1/20292024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceDebtMember2024-09-300001418076Tilley Distribution, Inc | Trading Companies & Distributors | S+600 | 1.00% | 10.75% | 12/31/262024-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2022-12-310001418076Equipment Financing | Carolinas Contracting LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:EyesouthEyeCareHoldcoLlcMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Vessco Midco Holdings, LLC | Water Utilities | P+350 | 1.00% | 12.00% | 4/1/2022 | 11/2/20262023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Business Credit | Diversified Financial Services | 4/1/20222023-12-310001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/2027srt:MaximumMember2023-12-310001418076ck0001418076:FoodProductsMember2023-12-310001418076Kaseya, Inc | Software | S+600 | 0.75% | 11.38% | 6/23/292023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | UVP Management, LLC | Health Care Providers & Services | S+ 625 | 1.00% | 11.75% | 9/18/2023 | 9/15/20252023-01-012023-12-310001418076srt:WeightedAverageMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076Aegis Toxicology Sciences Corporation | Health Care Providers and Services | S+550 | 1.00% | 10.87% | 5/9/252024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrEquipmentFinanceMember2023-12-310001418076ck0001418076:AutoComponentsMember2024-09-300001418076Equipment Financing | Ozzies, Inc | Commercial Services & Supplies | 10.72% | 12/23/2022 | 1/1/20272023-12-310001418076ck0001418076:MachineryMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | GSM Acquisition Corp. | Leisure Equipment & Products | S+500 | 1.00% | 10.47% | 4/1/2022 | 11/16/20262023-01-012023-12-310001418076ck0001418076:VeronicaHoldingsLlcCommonEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:SeniorSecuredRevolvingCreditFacilityMemberck0001418076:SlrSeniorLendingProgramSpvLlcMember2023-10-200001418076ck0001418076:WesternVeterinaryPartnersLLCMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076ck0001418076:TermLoanAndCreditFacilityMember2024-09-300001418076ck0001418076:NorthMillCapitalLlcMember2018-05-010001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Outset Medical, Inc. | Health Care Equipment & Supplies | S+515 | 2.75% | 10.32% | 11/3/2022 | 11/1/20272024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | KBH Topco LLC (Kingsbridge) | Multi-Sector Holdings | 11/3/20202023-01-012023-12-3100014180762016-12-310001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditRevolverMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Essence Group Holdings Corporation (Lumeris) Warrants | Health Care Technology | 3/22/20172023-01-012023-12-310001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies| 8.47-9.64% | 2/12/2021 | 3/1/2025-11/1/2026srt:MaximumMember2023-12-310001418076ck0001418076:KbhTopcoLlcKingsbridgeMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Aegis Toxicology Sciences Corporation | Health Care Providers & Services | S+550 | 1.00% | 10.87% | 5/7/2018 | 5/9/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | All States Ag Parts, LLC | Trading Companies & Distributors | S+600 | 1.00% | 11.61% | 4/1/2022 | 9/1/20262023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SouthernOrthodonticPartnersManagementLlcMember2024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMembersrt:MinimumMember2023-12-310001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2022-12-310001418076Equipment Financing | SLR Equipment Finance Equity Interests | Multi-Sector Holdings | 7/31/20172023-12-310001418076ck0001418076:MeasuredAtNetAssetValueMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:InternetSoftwareAndServicesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Ultimate Baked Goods Midco LLC (Rise Baking) | Packaged Foods & Meats | S+625 | 1.00% | 10.66% | 8/12/2021 | 8/13/20272024-01-012024-09-300001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/2028srt:MaximumMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SunmedGroupHoldingsLlcMember2024-09-300001418076ck0001418076:NmHoldcoMember2019-06-280001418076us-gaap:PrivatePlacementMember2010-02-100001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | All States Ag Parts, LLC | Trading Companies &Distributors | S+600 | 1.00% | 10.96% | 4/1/2022 | 9/1/20262024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:LoyerCapitalLlcMember2023-01-012023-12-310001418076ck0001418076:VesscoMidcoHoldingsLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Maxor Acquisition, Inc | Health Care Providers and Services| S+675 | 1.00% | 11.70% | 3/1/292024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncWarrantsMember2023-12-310001418076Equipment Financing | Equipment Operating Leases, LLC | Multi-Sector Holdings | 8.37% | 4/27/2018 | 4/27/20252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.50% | 2/12/2021 | 2/12/20272024-09-300001418076Exactcare Parent, Inc.| Health Care Providers & Services | S+550 | 1.00% | 10.73% | 11/5/292024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Neuronetics, Inc. | Health Care Equipment & Supplies | S+565 | 3.95% | 11.00% | 3/2/2020 | 3/29/20282023-01-012023-12-310001418076ck0001418076:NefpassFacilityMember2020-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:LoyerCapitalLlcMember2024-09-300001418076us-gaap:MarketApproachValuationTechniqueMembersrt:MinimumMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Senior Lending Program LLC | Asset Management | 12/1/20222024-09-300001418076srt:MinimumMemberEquipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2026-9/25/20262024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Cerapedics, Inc. | Biotechnology | S+620 | 2.75% | 11.37% | 12/27/2022 | 1/1/20282024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:VeronicaHoldingsLlcPreferredEquityMember2024-01-012024-09-300001418076Accession Risk Management Group, Inc. | Insurance | S+475 | 0.75% | 9.35 | % | 11/1/292024-01-012024-09-300001418076Equipment Financing | Carolinas Contracting, LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282023-01-012023-12-310001418076Medrina, LLC | Health Care Providers & Services | S+600 | 1.00% | 11.55% | 10/20/292024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:InternetAndCatalogRetailMember2024-09-300001418076ck0001418076:ItServicesMember2023-12-310001418076ck0001418076:InternetAndCatalogRetailMember2023-12-310001418076srt:MinimumMemberEquipment Financing | Carolinas Contracting, LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/20302023-01-012023-12-310001418076Cash Equivalents | U.S. Treasury Bill | Government | 9/30/2024 | 11/26/20242024-01-012024-09-300001418076Apex Service Partners, LLC | Diversified Consumer Services | S+650 | 1.00% | 11.17% |10/24/302024-09-300001418076Equipment Financing | Rutt Services, LLC | Commercial Services & Supplies | 8.95% | 8/11/2023 | 8/11/20302023-12-310001418076ck0001418076:FoodStaplesRetailingMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2017-12-310001418076ck0001418076:VapothermInc.Memberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Parent, LLC | Health Care Providers & Services | S+1000 | 1.00% | 14.75% | 5/31/2023 | 5/31/20262024-09-300001418076ck0001418076:BaysideOpcoLLCMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Equipment Financing | Royal Express Inc | Road & Rail | 9.53% | 1/17/2019 | 2/1/20242023-01-012023-12-310001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMembersrt:MinimumMemberus-gaap:EquitySecuritiesMember2023-12-310001418076ck0001418076:EquipmentOperatingLeasesLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076ck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:VertosMedicalInc.Member2023-12-310001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services | 8.43-10.00% | 7/31/2019 | 8/1/2024-10/5/2025srt:MaximumMember2023-12-310001418076ck0001418076:RdHoldcoIncClassBMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:EquipmentFinancingMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Centrexion Therapeutics, Inc. Warrants | Pharmaceuticals | 6/28/20192023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Opco, LLC | Health Care Providers & Services | S+725 | 1.00% | 12.75% | 5/31/2023 | 5/31/20262023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | One Touch Direct, LLC | Commercial Services & Supplies | P+75 | 4.00% | 8.75% | 12/1/2023 | 3/31/20262024-09-300001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282023-12-310001418076ck0001418076:ThriftsAndMortgageFinanceMember2024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMembersrt:WeightedAverageMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Parent, LLC | Health Care Providers & Services | S+1000 | 1.00% | 15.50% | 5/31/2023 | 5/31/20262023-12-310001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/20302024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Senior Lending Program LLC | Asset Management | 12/1/20222024-01-012024-09-300001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.69-9.94% | 11/15/2018 | 5/1/2024-9/1/20252023-01-012023-12-310001418076ck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UrologyManagementHoldings1IncMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kingsbridge Holdings, LLC | Multi-Sector Holdings | S+700 | 1.00% | 12.52% | 12/21/2018 | 12/21/20242023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) | Diversified Consumer Services | 12/23/20132023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.35% | 4/1/2022 | 3/13/20262024-01-012024-09-300001418076ck0001418076:SlrEquipmentFinanceMember2023-08-242023-08-240001418076Equipment Financing | Superior Transportation, Inc | Road & Rail |10.22-10.69% | 7/31/2017 | 1/1/20262024-01-012024-09-300001418076ck0001418076:SlrCreditSolutionsMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2023-12-310001418076srt:MinimumMemberEquipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08%| 10/31/2022 | 11/1/2027-6/1/20292024-09-300001418076Exactcare Parent, Inc.| Health Care Providers & Services | S+550 | 1.00% | 10.73% | 11/5/292024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Stryten Resources LLC | Auto Parts & Equipment | S+800 | 1.00% | 12.96% | 8/11/2021 | 10/12/20262024-09-300001418076ck0001418076:TwoThousandAndTwentyTwoTrancheCNotesMember2022-12-310001418076ck0001418076:SlrBusinessCreditFacilityMember2023-01-012023-09-300001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/2026srt:MinimumMember2024-09-300001418076ck0001418076:CapitalMarketsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Sightly Enterprises, Inc | Media | P+575 | 6.00% | 13.75% | 1/22/2024 | 12/31/20242024-01-012024-09-300001418076ck0001418076:SlrHealthcareAblCreditMember2024-01-012024-09-300001418076RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.35% | 3/13/262024-09-300001418076us-gaap:LineOfCreditMemberck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-09-300001418076ck0001418076:EspSscCorporationMember2018-05-010001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Retina Midco, Inc. | Health Care Providers & Services | S+575 | 1.00% | 10.86% | 12/18/2023 | 1/31/20262024-09-300001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2024-09-300001418076ck0001418076:BdgMediaInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Logix Holding Company, LLC | Communications Equipment | P+475 | 1.00% | 12.75% | 9/14/2018 | 12/22/20242024-09-300001418076Kaseya, Inc | Software | S+550 | 0.75% | 10.75% | 6/23/292024-09-300001418076Senior Secured Loans | Second Lien Bank Debt/Senior Secured Loans | RD Holdco, Inc. | Diversified Consumer Services | S+975 | 1.00% | 12/23/2013 | 10/12/20262024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.50% | 2/12/2021 | 2/12/20272024-01-012024-09-300001418076Equipment Financing | Waste Pro of Florida, Inc. & Waste Pro USA, Inc. | Commercial Services & Supplies| 9.17% | 4/18/2023 | 4/18/20282024-09-300001418076Equipment Financing | Extreme Steel Crane & Rigging, LLC | Commercial Services & Supplies | 9.52% | 3/3/2023 | 3/3/20272024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:VertosMedicalInc.Member2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Logix Holding Company, LLC | Communications Equipment | P+475 | 1.00% | 12.75% | 9/14/2018 | 12/22/20242024-01-012024-09-300001418076ck0001418076:BaysideOpcoLLCOneMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076iCIMS, Inc | Software | S+725 | 0.75% | 12.62% | 8/18/282023-01-012023-12-310001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | AMF Levered II, LLC | Diversified Financial Services | S+705 | 1.00% | 12.02% | 12/24/2021 | 8/21/20282024-09-300001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies | 8.47-9.04% | 2/12/2021 | 3/1/2025-12/1/20262024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMembersrt:MinimumMember2024-09-300001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/2027srt:MaximumMember2023-12-310001418076ck0001418076:CommunicationsEquipmentMember2023-12-310001418076Equipment Financing | Boart Longyear Company | Metals & Mining | 8.31-9.77% | 5/28/2020 | 4/1/2025-10/7/20262024-01-012024-09-300001418076us-gaap:CommonStockMemberck0001418076:SunsCompanyMergerMember2022-04-010001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2015-01-012015-12-310001418076ck0001418076:MetalsAndMiningMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | West-NR Parent, Inc | Insurance | S+625 | 1.00% | 10.95% | 8/1/2023 | 12/27/20272024-01-012024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMember2024-09-300001418076Equipment Financing | Equipment Operating Leases, LLC | Multi-Sector Holdings | 8.37% | 4/27/2018 | 4/27/20252024-09-300001418076Equipment Financing | Loc Performance Products, LLC | Machinery | 10.50% | 12/29/2022 | 6/1/20272024-09-300001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2014-01-012014-12-310001418076ck0001418076:MeasuredAtNetAssetValueMemberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Equipment Financing | Waste Pro of Florida, Inc. & Waste Pro USA, Inc. | Commercial Services & Supplies| 9.17% | 4/18/2023 | 4/18/20282024-01-012024-09-300001418076 Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vertos Medical, Inc. | Health Care Equipment & Supplies | S+515 | 4.75% | 10.50% | 6/14/2023 | 7/1/20282023-12-310001418076ck0001418076:CompaniesFivePercentageToTwentyFivePercentageOwnedMember2024-09-300001418076Equipment Financing | Rane Light Metal Castings Inc | Machinery | 10.00% | 6/1/2020 | 6/1/20242023-01-012023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMemberus-gaap:InvestorMember2024-09-300001418076EyeSouth Eye Care Holdco LLC | Health Care Providers & Services | S+550 | 1.00% | 10.80% | 10/5/2029 2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.46% | 6/16/2021 | 6/16/20282024-09-300001418076Equipment Financing | Environmental Protection & Improvement Company, LLC | Road & Rail | 8.25% | 9/30/2020 | 10/1/20272023-01-012023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/2030srt:MinimumMember2024-09-300001418076ck0001418076:RdHoldcoIncDebtMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Atria Wealth Solutions, Inc. | Diversified Financial Services | S+650 | 1.00% | 11.97% | 9/14/2018 | 5/31/20242023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2023-01-012023-12-310001418076ck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2023-12-310001418076ck0001418076:WaterUtilitiesMember2023-12-310001418076Equipment Financing | First National Capital, LLC | Diversified Financial Services | 9.00% | 11/5/2021 | 8/1/20262023-01-012023-12-310001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/20302024-09-300001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/20272023-12-310001418076ck0001418076:TermLoansMember2023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Outset Medical, Inc. | Health Care Equipment & Supplies | S+515 | 2.75% | 10.50% | 11/3/2022 | 11/1/20272023-12-310001418076RQM+ Corp | Life Sciences Tools & Services | S+575 | 1.00% | 10.62% | 8/12/262024-09-300001418076Equipment Financing | Hawkeye Contracting Company, LLC | Construction & Engineering | 10.50% | 10/8/2021 | 11/1/20252023-01-012023-12-310001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/2030srt:MaximumMember2024-09-300001418076ck0001418076:EquipmentFinancingMember2024-06-300001418076SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.85% | 6/16/28 2024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SlrHealthcareAblMember2023-12-310001418076Accession Risk Management Group, Inc. | Insurance | S+475 | 0.75% | 9.35 | % | 11/1/292024-09-300001418076ck0001418076:CreditFacilityOneMember2024-09-3000014180762022-12-310001418076ck0001418076:SlrBusinessCreditFacilityMember2023-01-012023-12-310001418076us-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMembersrt:MaximumMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:KidDistroHoldingsLlcDistroKidMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Total Common Equity/Equity Interests/Warrants2024-09-300001418076Equipment Financing | RH Land Construction, LLC & Harbor Dredging LA, Inc | Construction & Engineering | 8.08% | 5/10/2023 | 5/10/20262023-01-012023-12-310001418076ck0001418076:NmcsCreditFacilityMember2019-06-280001418076ck0001418076:TransportationInfrastructureMember2024-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:BlackScholesPricingModelMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/20282024-09-300001418076Senior Secured Loans | Total First Lien Bank Debt/Senior Secured Loans2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CvausaManagementLlcMember2023-12-310001418076Equipment Financing | Nimble Crane LLC | Commercial Services & Supplies | 9.18% | 7/13/2023 | 7/13/20282023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:AllStatesAgPartsLLCMember2024-09-300001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2024-01-012024-09-300001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies | 8.47-9.04% | 2/12/2021 | 3/1/2025-12/1/2026srt:MaximumMember2024-09-300001418076ck0001418076:SpreadFourMember2024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:SeniorSecuredRevolvingCreditFacilityMemberck0001418076:SlrSeniorLendingProgramSpvLlcMember2022-12-120001418076RQM+ Corp | Life Sciences Tools and Services | S+575 | 1.00% | 11.36% | 8/12/262023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UrologyManagementHoldings1IncMember2024-09-300001418076srt:WeightedAverageMemberck0001418076:MeasurementInputMarketYieldMemberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:AllStatesAgPartsLLCMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Maxor Acquisition, Inc. | Health Care Providers & Services | S+675 | 1.00% | 12.48% | 3/1/2023 | 3/1/20292023-12-310001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | 33Across Inc. | Media | P+232 | 8.50% | 10.32% | 1/22/2024 | 10/31/20252024-09-300001418076Senior Secured Loans | Total Senior Secured Loans2024-09-300001418076ck0001418076:SlramiTopcoBlockerLlcMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076us-gaap:FairValueInputsLevel3Member2023-12-310001418076Common Equity/Equity Interests/Warrants | Senseonics Holdings, Inc. | Health Care Equipment & Supplies | 7/25/20192024-09-300001418076ck0001418076:SeniorSecuredNotesMember2016-12-310001418076Common Equity/Equity Interests/Warrants | Essence Group Holdings Corporation (Lumeris) Warrants | Health Care Technology | 3/22/20172024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Total Investments 2023-12-310001418076srt:MinimumMemberEquipment Financing | Trinity Equipment, Inc | Commercial Services & Supplies | 8.78-8.93% | 5/4/2023 | 5/4/2028-5/19/20282023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | OmniGuide Holdings, Inc. | Health Care Equipment & Supplies | S+580 | 5.31% | 11.25% | 7/30/2018 | 11/1/20252023-01-012023-12-310001418076us-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Urology Management Holdings, Inc | Health Care Providers and Services | S+650 | 1.00% | 11.93% | 6/15/262023-01-012023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | NSPC Intermediate Corp. (National Spine) | Health Care Providers & Services | S+800 | 1.00% | 13.53% | 4/1/2022 | 2/13/20262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BayMark Health Services, Inc. | Health Care Providers & Services | S+500 | 1.00% | 10.61% | 4/1/2022 | 6/11/20272023-12-310001418076Equipment Financing | Signet Marine Corporation | Transportation Infrastructure | 8.50% | 10/31/2022 | 11/1/20292023-01-012023-12-310001418076RQM+ Corp | Life Sciences Tools & Services | S+575 | 1.00% | 10.62% | 8/12/262024-01-012024-09-300001418076Equipment Financing | Superior Transportation, Inc | Road & Rail | 10.22-10.63% | 7/31/2017 | 1/1/20262023-01-012023-12-310001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/2028srt:MinimumMember2023-12-310001418076ck0001418076:SpreadFiveMember2024-09-300001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMemberck0001418076:AmerimarkIntermediateHoldingsLlcMember2023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrHealthcareAblMember2023-12-310001418076The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.10% | 8/15/292024-09-300001418076West-NR Parent, Inc | Insurance | S+625 | 1.00% | 10.95% | 12/27/272024-09-300001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/2030srt:MinimumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Tilley Distribution, Inc. | Trading Companies & Distributors | S+600 | 1.00% | 10.75% | 4/1/2022 | 12/31/20262024-01-012024-09-300001418076Equipment Financing | Miranda Logistics Enterprise, Inc | Construction & Engineering | 7.69% | 4/14/2023 | 4/14/20282024-01-012024-09-300001418076Preferred Equity - | Veronica Holdings, LLC (Vapotherm) | Health Care Equipment & Supplies | 9.00% | 9/20/2024 |2024-01-012024-09-300001418076Equipment Financing | The Smedley Company & Smedley Services, Inc. | Commercial Services & Supplies | 4.07% | 7/31/2017 | 1/15/20282024-01-012024-09-300001418076Equipment Financing | RH Land Construction, LLC & Harbor Dredging LA, Inc | Construction & Engineering | 8.08% | 5/10/2023 | 5/10/20262024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Fertility (ITC) Investment Holdco, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.74% | 1/4/2023 | 1/3/20292024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:LoyerCapitalLlcMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Delphinus Medical Technologies, Inc. Warrants | Health Care Equipment & Supplies | 8/18/20172023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | TAUC Management, LLC | Health Care Providers & Services | S+700 | 1.00% | 11.75% | 4/1/2022 | 2/12/20272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Copper River Seafoods, Inc. | Food Products | P+275 | —% | 10.75% | 12/1/2023 | 4/23/20252024-09-300001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2020-12-310001418076Equipment Financing | GMT Corporation | Machinery | 10.71% | 10/23/2018 | 1/1/20262023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/2027srt:MaximumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Enhanced Permanent Capital, LLC | Capital Markets | S+700 | 1.00% | 12.44% | 12/29/2020 | 12/29/20252024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CC SAG Holdings Corp. (Spectrum Automotive) | Diversified Consumer Services | S+525 | 0.75% | 9.85% | 6/29/2021 | 6/29/20282024-01-012024-09-300001418076SunMed Group Holdings, LLC | Health Care Equipment & Supplies | S+550 | 0.75% | 10.85% | 6/16/28 2024-09-300001418076Equipment Financing | C-Port/Stone LLC | Oil, Gas & Consumable Fuels | 8.54% | 10/7/2022 | 11/1/20272023-01-012023-12-310001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/20282023-12-310001418076ck0001418076:CreditFacilityMember2021-12-310001418076Equipment Financing | Womble Company, Inc. | Energy Equipment & Services | 9.11% | 12/27/2019 | 1/1/20252023-12-310001418076Equipment Financing | Loc Performance Products, LLC | Machinery | 10.50% | 12/29/2022 | 6/1/20272024-01-012024-09-300001418076ck0001418076:AutoPartsAndEquipmentMember2023-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMember2024-07-012024-09-300001418076ck0001418076:SlrHealthcareAblMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrHealthcareAblMember2023-01-012023-12-310001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies| 8.47-9.64% | 2/12/2021 | 3/1/2025-11/1/20262023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:RxsenseHoldingsLlcMember2023-12-310001418076ck0001418076:KaseyaIncMember2023-12-310001418076srt:MaximumMemberEquipment Financing | Lux Credit Consultants, LLC | Road & Rail | 8.28-12.09 % | 6/17/2021 | 12/1/2024-12/1/20262023-12-310001418076Equipment Financing | SLR Equipment Finance | Multi-Sector Holdings | 8.50% | 1/24/2022 | 1/27/20242023-12-310001418076ck0001418076:SlrHealthcareAblMember2013-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputComparableMultipleMember2023-01-012023-12-310001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2023-12-310001418076Equipment Financing | Hawkeye Contracting Company, LLC | Construction & Engineering | 10.50% | 10/8/2021 | 11/1/20252023-12-310001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272023-12-310001418076Kid Distro Holdings, LLC | Software | S+550 | 1.00% | 11.00% | 10/1/272023-01-012023-12-310001418076Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 9.70% | 8/18/272024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:HighStreetBuyerIncMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Human Interest Inc. | Internet Software & Services | S+735 | 1.00% | 12.55% | 6/30/2022 | 7/1/20272024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | BridgeBio Pharma, Inc. | Biotechnology | — | —% | 9.00% | 11/17/2021 | 11/17/20262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SCP Eye Care, LLC | Health Care Providers & Services | S+575 | 1.00% | 11.17% | 10/6/2022 | 10/5/20292023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kid Distro Holdings, LLC (Distro Kid) | Software | S+550 | 1.00% | 11.00% | 9/24/2021 | 10/1/20272023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | UVP Management, LLC | Health Care Providers & Services | S+ 625 | 1.00% | 11.75% | 9/18/2023 | 9/15/20252023-12-310001418076ck0001418076:ThriftsAndMortgageFinanceMember2023-12-310001418076Equipment Financing | No Limit Construction Services, LLC | Commercial Services & Supplies | 7.73% | 5/5/2023 | 6/1/20282023-12-310001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:WestNRParentIncMember2024-09-300001418076ck0001418076:BaysideParentLlcEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UltimateBakedGoodsMidcoLlcMember2024-09-300001418076srt:MinimumMemberEquipment Financing | Lux Credit Consultants, LLC | Road & Rail | 8.28-12.09 % | 6/17/2021 | 12/1/2024-12/1/20262023-12-310001418076ck0001418076:InternetSoftwareAndServicesMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Urology Management Holdings, Inc | Health Care Providers & Services | S+ 650 | 1.00% | 11.93% | 2/7/2023 | 6/15/20262023-01-012023-12-310001418076ck0001418076:OilGasAndConsumableFuelsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Retina Midco, Inc. | Health Care Providers & Services | S+575 | 1.00% | 11.38% | 12/18/2023 | 1/31/20262023-12-310001418076Common Equity/Equity Interests/Warrants | Bayside Parent, LLC | Health Care Providers & Services | 5/31/20232023-12-310001418076ck0001418076:TermLoansMember2016-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Accession Risk Management Group, Inc. (f/k/a RSC Acquisition, Inc.) | Insurance | S+550 | 0.75% | 11.00% | 4/1/2022 | 11/1/20292023-12-310001418076us-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Equipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/2026srt:MaximumMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMember2024-01-012024-09-300001418076ck0001418076:BaysideOpcoLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076us-gaap:AssetManagement1Member2023-12-310001418076ck0001418076:SlrBusinessCreditMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Equipment Financing | Total Equipment Financing2024-09-300001418076us-gaap:FairValueInputsLevel1Memberck0001418076:InvestmentInSeniorSecuredLoansMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-3000014180762015-12-310001418076ck0001418076:EnergyEquipmentAndServicesMember2023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Stryten Resources LLC | Auto Parts & Equipment | S+800 | 1.00% | 13.47% | 8/11/2021 | 10/12/20262023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Assertio Holdings, Inc. | Pharmaceuticals | 7/31/20232024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Enhanced Permanent Capital, LLC | Capital Markets | S+700 | 1.00% | 12.44% | 12/29/2020 | 12/29/20252023-12-310001418076ck0001418076:FoodProductsMember2024-09-300001418076Atria Wealth Solutions, Inc | Diversified Financial Services | S+650 | 1.00% | 12.01% | 11/29/242024-01-012024-09-300001418076ck0001418076:BaysideParentLlcLoanMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Meditrina, Inc. Warrants | Health Care Equipment & Supplies | 12/20/20222023-01-012023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:SeniorSecuredRevolvingCreditFacilityMemberck0001418076:SlrSeniorLendingProgramSpvLlcMember2022-12-122022-12-120001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08%| 10/31/2022 | 11/1/2027-6/1/20292024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SointLlcMember2022-12-310001418076us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMember2024-01-012024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Urology Management Holdings, Inc | Health Care Providers & Services | S+ 650 | 1.00% | 11.93% | 2/7/2023 | 6/15/20262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BDG Media, Inc. | Media | P+525 | 5.50% | 13.25% | 7/18/2022 | 7/31/20252024-01-012024-09-300001418076All States Ag Parts, LLC | Trading Companies and Distributors| S+600 | 1.00% | 11.61% | 9/1/262023-01-012023-12-310001418076ck0001418076:TwoThousandAndTwentyFiveUnsecuredNotesMember2023-12-310001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2021-09-140001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) ClassB | Diversified Consumer Services | 12/23/20132024-01-012024-09-300001418076Equipment Financing | Georgia Jet, Inc | Airlines | 8.00% | 12/4/2017 | 1/4/20242023-12-310001418076ck0001418076:AdvisoryAgreementMember2023-07-012023-09-300001418076ck0001418076:CreditFacilityMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Luxury Asset Capital, LLC | Thrifts & Mortgage Finance | S+675 | 1.00% | 12.07% | 7/15/2022 | 7/15/20272024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceDebtMember2022-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:WCI-BXCPurchaserLLCMember2023-12-310001418076Cash Equivalents | Net Assets2024-09-300001418076ck0001418076:EquipmentFinancingMembersrt:MinimumMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMembersrt:MinimumMemberck0001418076:CitiBankNaMember2011-08-260001418076Kaseya, Inc | Software | S+600 | 0.75% | 11.38% | 6/23/292023-12-310001418076ck0001418076:MediaMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Plastic Management, LLC | Health Care Providers & Services | S+500 | 1.00% | 10.45% | 4/1/2022 | 8/18/20272023-12-310001418076Atria Wealth Solutions, Inc | Diversified Financial Services | S+650 | 1.00% | 12.01% | 11/29/242024-09-300001418076us-gaap:FairValueInputsLevel1Memberck0001418076:PreferredEquityMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | OmniGuide Holdings, Inc. | Health Care Equipment & Supplies | S+580 | 5.31% | 11.11% | 7/30/2018 | 11/1/20252024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2024-09-300001418076ck0001418076:FeAdvanceLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076ck0001418076:BaysideOpcoLLCMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Opco, LLC | Health Care Providers & Services | S+725 | 1.00% | 12.00% | 5/31/2023 | 5/31/20262024-09-300001418076Equipment Financing | Lux Credit Consultants, LLC | Road & Rail | 8.28-12.09 % | 6/17/2021 | 12/1/2024-12/1/20262023-01-012023-12-310001418076ck0001418076:CreditFacilityOneMember2023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageAndLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:TradingCompaniesAndDistributorsMember2024-09-300001418076Common Equity/Equity Interests/Warrants | KBH Topco LLC (Kingsbridge) | Multi-Sector Holdings | 11/3/20202023-12-3100014180762023-09-300001418076ck0001418076:TwoThousandAndTwentyFourUnsecuredNotesMember2021-12-310001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2015-12-310001418076Equipment Financing | International Automotive Components Group, North America, Inc | Auto Components | 7.95% | 6/23/2021 | 6/23/20252023-01-012023-12-310001418076ck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMemberck0001418076:CreditFacilityMember2024-09-300001418076High Street Buyer, Inc | Insurance | S+525 | 0.75% | 9.85% | 4/16/282024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Stryten Resources LLC | Auto Parts & Equipment | S+800 | 1.00% | 12.96% | 8/11/2021 | 10/12/20262024-01-012024-09-300001418076ck0001418076:SunsMember2021-06-030001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2022-12-310001418076Legacy Service Partners, LLC | Diversified Consumer Services | S+575 | 1.00% | 10.50% | 1/9/292024-01-012024-09-300001418076Equipment Financing | Complete Equipment Rentals, LLC | Commercial Services & Supplies | 6.75-7.15% | 3/23/2023 | 4/1/2028-6/1/2028srt:MinimumMember2024-09-300001418076ck0001418076:FootwearMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ExactcareParentIncMember2023-12-310001418076Common Equity/Equity Interests/Warrants | KBH Topco LLC (Kingsbridge). | Multi-Sector Holdings | 11/3/20202024-01-012024-09-300001418076ENS Holdings III Corp and ES Opco USA LLC | Trading Companies and Distributors | S+475 | 10.20% | 11.13% | 12/31/252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SPAR Marketing Force, Inc. | Media | P+190 | —% | 10.40% | 12/1/2023 | 10/10/20242023-12-310001418076Equipment Financing | GMT Corporation | Machinery | 10.71% | 10/23/2018 | 1/1/20262024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2022-12-310001418076West-NR Parent, Inc | Insurance | S+625 | 1.00% | 11.70% | 12/27/272023-01-012023-12-310001418076ck0001418076:RdHoldcoIncClassBMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2022-12-310001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/20272023-01-012023-12-310001418076ck0001418076:FastPayPartnersLlcMember2021-06-030001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:RxsenseHoldingsLlcMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Aegis Toxicology Sciences Corporation | Health Care Providers & Services | S+550 | 1.00% | 10.87% | 5/7/2018 | 5/9/20252024-09-300001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/2028srt:MaximumMember2023-12-310001418076Cash Equivalents | U.S. Treasury Bill | Government | 12/29/2023 | 2/27/20242023-12-310001418076Common Equity/Equity Interests/Warrants | Delphinus Medical Technologies, Inc. Warrants | Health Care Equipment & Supplies | 8/18/20172024-09-300001418076ck0001418076:SunsSpvLlcMembersrt:MinimumMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMember2024-08-162024-08-310001418076Urology Management Holdings, Inc. | Health Care Providers & Services | S+550 | 1.00% | 10.70% | 6/15/262024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:SprTherapeuticsInc.Member2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:OrthopedicCarePartnersManagementLlcMember2023-12-310001418076Common Equity/Equity Interests/Warrants | SLR-AMI Topco Blocker, LLC | Internet &Catalog Retail | 6/16/20232024-01-012024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | FGI Worldwide LLC | Diversified Financial Services | S+650 | 1.00% | 11.35% | 4/17/2023 | 4/17/20282024-01-012024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CopperRiverSeafoodsInc.Member2024-09-300001418076Ultimate Baked Goods Midco LLC | Packaged Foods and Meats | S+625 | 1.00% | 11.71% | 8/13/272023-12-310001418076Equipment Financing | Zamborelli Enterprises Pacific Southern Foundation | Diversified Consumer Services | 8.91% | 12/7/2022 | 1/1/20272023-12-310001418076ck0001418076:SlrHealthcareAblMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:KingsbridgeHoldingsLlcMember2023-07-012023-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | One Touch Direct, LLC | Commercial Services & Supplies | P+75 | —% | 9.25% | 12/1/2023 | 3/31/20252023-01-012023-12-310001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/2030srt:MaximumMember2024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Alimera Sciences, Inc. | Pharmaceuticals | S+515 | 4.60% | 10.50% | 12/31/2019 | 5/1/20282023-01-012023-12-310001418076Erie Construction Mid-west, LLC | Building Products | S+475 | 1.00% | 10.09% | 7/30/272024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMembersrt:WeightedAverageMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMember2023-12-310001418076Equipment Financing | Double S Industrial Contractors, Inc | Commercial Services & Supplies | 8.60% | 7/28/2023 | 8/1/20272023-12-310001418076Common Equity/Equity Interests/Warrants | Bayside Parent, LLC | Health Care Providers & Services | 5/31/20232024-01-012024-09-300001418076Equipment Financing | Bowman Energy Solutions, LLC | Commercial Services & Supplies | 7.42% | 7/1/2022 | 7/1/20262024-01-012024-09-300001418076ck0001418076:SlrBusinessCreditFacilityMember2016-07-282016-07-280001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/2030srt:MaximumMember2023-12-310001418076Preferred Equity | SOINT LLC | Aerospace & Defense | 5.00% | 6/8/2012 | 6/30/20252023-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Meditrina, Inc. | Health Care Equipment & Supplies | S+550 | 3.45% | 10.67% | 12/20/2022 | 12/1/20272024-09-3000014180762024-05-072024-05-070001418076ck0001418076:HealthCareTechnologyMember2024-09-300001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272024-09-300001418076ck0001418076:SpreadTwoMember2024-09-300001418076us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076Equipment Financing | Signet Marine Corporation | Transportation Infrastructure | 8.50% | 10/31/2022 | 10/1/20292024-01-012024-09-300001418076ck0001418076:RdHoldcoIncDebtMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Crewline Buyer Inc | IT Services | S+675 | 1.00% | 11.35% | 11/8/302024-09-300001418076ck0001418076:HotelsRestaurantsAndLeisureMember2023-12-310001418076Senior Secured Loans | Total First Lien Life Science Senior Secured Loans2024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Arcutis Biotherapeutics, Inc. | Pharmaceuticals | S+595 | 2.50% | 11.12% | 12/22/2021 | 8/1/20292024-09-300001418076Equipment Financing | Capital City Jet Center, Inc | Airlines | 10.00% | 4/4/2018 | 6/22/20262023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputComparableMultipleMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2019-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Retina Midco, Inc. | Health Care Providers & Services | S+575 | 1.00% | 10.86% | 12/18/2023 | 1/31/20262024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Western Veterinary Partners LLC | Diversified Consumer Services | S+500 | 1.00% | 9.60% | 1/19/2024 | 10/29/20272024-09-300001418076Common Equity/Equity Interests/Warrants | Venus Concept Ltd. Warrants (f/k/a Restoration Robotics) | Health Care Equipment & Supplies | 5/10/20182023-12-3100014180762019-12-310001418076ck0001418076:SslpFacilityMember2019-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:IcimsInc.Member2024-09-300001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ENS Holdings III Corp. & ES Opco USA LLC (Bluefin) | Trading Companies & Distributors | S+475 | 1.00% | 9.45% | 4/1/2022 | 12/31/20252024-09-3000014180762024-06-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:LegacyServicePartnersLLCMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceEquityMember2023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMember2023-12-310001418076Equipment Financing | Up Trucking Services, LLC | Road & Rail | 11.30% | 3/23/2018 | 8/1/20242024-01-012024-09-300001418076ck0001418076:NefpassFacilityMember2021-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BayMark Health Services, Inc. | Health Care Providers & Services | S+500 | 1.00% | 9.87% | 4/1/2022 | 6/11/20272024-09-300001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2022-01-060001418076Cash Equivalents | Total Investments & Cash Equivalents2024-09-300001418076Equipment Financing | Environmental Protection & Improvement Company, LLC | Road & Rail | 8.25% | 9/30/2020 | 10/1/20272023-12-310001418076ck0001418076:SparMarketingForceInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | The Townsend Company, LLC | Commercial Services & Supplies | S+625 | 1.00% | 11.10% | 8/17/2023 | 8/15/20292024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Alkeme Intermediary Holdings, LLC | Insurance | S+650 | 1.00% | 11.96% | 9/20/2023 | 10/28/20262023-01-012023-12-310001418076Pinnacle Treatment Centers, Inc | Health Care Providers and Services | S+650 | 1.00% | 11.95% | 1/2/262023-01-012023-12-310001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/2026srt:MaximumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Luxury Asset Capital, LLC | Thrifts & Mortgage Finance | S+675 | 1.00% | 12.21% | 7/15/2022 | 7/15/20272023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CopperRiverSeafoodsInc.Member2023-12-310001418076ck0001418076:SlrBusinessCreditMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Equipment Financing | Double S Industrial Contractors, Inc | Commercial Services & Supplies | 8.60% | 7/28/2023 | 8/1/20272024-09-300001418076ck0001418076:BoardMemberus-gaap:SubsequentEventMember2024-11-060001418076ck0001418076:VesscoMidcoHoldingsLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CvausaManagementLlcMember2024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | OmniGuide Holdings, Inc. | Health Care Equipment & Supplies | S+580 | 5.31% | 11.25% | 7/30/2018 | 11/1/20252023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | WCI-BXC Purchaser, LLC | Distributors | S+625 | 1.00% | 11.64% | 11/6/2023 | 11/6/20302023-12-310001418076ck0001418076:FeAdvanceLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:TilleyDistributionIncMember2024-09-3000014180762021-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Southern Orthodontic Partners Management, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.72% | 6/3/2022 | 1/27/20262023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | All States Ag Parts, LLC | Trading Companies &Distributors | S+600 | 1.00% | 10.96% | 4/1/2022 | 9/1/20262024-09-300001418076srt:MaximumMemberEquipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2024-9/25/20242023-12-310001418076Common Equity/Equity Interests/Warrants | Essence Group Holdings Corporation (Lumeris) Warrants | Health Care Technology | 3/22/20172024-09-3000014180762020-12-310001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/2027srt:MinimumMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Conventus Orthopaedics, Inc. Warrants | Health Care Equipment & Supplies | 6/15/20162024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:LeisureEquipmentAndProductsMember2023-12-310001418076us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2024-09-300001418076ck0001418076:MachineryMember2023-12-310001418076Common Equity/Equity Interests/Warrants | Centrexion Therapeutics, Inc. Warrants | Pharmaceuticals | 6/28/20192023-01-012023-12-310001418076Equipment Financing | PCX Aerostructures LLC | Aerospace & Defense | 9.32% |11/23/2022 | 12/1/20282024-09-300001418076ck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMemberus-gaap:InvestorMember2022-10-120001418076ck0001418076:SlrSeniorLendingProgramLlcMember2024-07-012024-09-300001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2023-01-012023-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ThirtyThreeAcrossInc.Member2023-12-310001418076ck0001418076:SlramiTopcoBlockerLlcMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Orthopedic Care Partners Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.46% | 8/17/2022 | 11/15/20242024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2023-12-310001418076ck0001418076:ValuationApproachMarketMultipleMembersrt:WeightedAverageMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMember2023-12-310001418076ck0001418076:TwoThousandAndTwentyFiveUnsecuredNotesMember2024-09-300001418076Equipment Financing | SLR Equipment Finance Equity Interests | Multi-Sector Holdings | 7/31/20172024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Luxury Asset Capital, LLC | Thrifts & Mortgage Finance | S+675 | 1.00% | 12.21% | 7/15/2022 | 7/15/20272023-12-310001418076ck0001418076:PeterC.FoyAssociatesInsuranceServicesLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076ck0001418076:AscHoldcoLlcMember2024-09-3000014180762023-01-012023-09-3000014180762024-01-012024-09-300001418076Senior Secured Loans | Second Lien Bank Debt/Senior Secured Loans | RD Holdco, Inc. | Diversified Consumer Services | S+975 | 1.00% | —% | 12/23/2013 | 10/12/20262023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberck0001418076:EquipmentFinancingMember2024-09-300001418076Equipment Financing | Rotten Rock Hardscaping & Tree Service | Diversified Consumer Services | 8.21% | 12/6/2022 | 12/6/20272024-09-300001418076BayMark Health Services, Inc | Health Care Providers and Services | S+500 | 1.00% | 9.87% | 6/11/272024-09-300001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | SCP Eye Care, LLC | Health Care Providers & Services | S+575 | 1.00% | 11.17% | 10/6/2022 | 10/5/20292023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:GsmAcquisitionCorpMember2023-12-310001418076Equipment Financing | Nimble Crane LLC | Commercial Services & Supplies | 9.18% | 7/13/2023 | 7/13/20282023-01-012023-12-310001418076us-gaap:RevolvingCreditFacilityMember2012-12-280001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SointLlcMember2024-01-012024-09-300001418076ck0001418076:PreferredEquityMember2023-12-310001418076srt:ManagementMemberck0001418076:KbhtMember2024-03-130001418076us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:EquitySecuritiesMember2023-12-310001418076ck0001418076:ConsumerFinanceMember2023-12-310001418076 Senior Secured Loans | First Lien Life Science Senior Secured Loans | Ardelyx, Inc. | Pharmaceuticals | S+795 | 1.00% | 13.32% | 2/23/2022 | 3/1/20272023-12-310001418076ck0001418076:BaysideParentLlcEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:PlasticManagementLlcMember2024-09-300001418076Equipment Financing | RH Land Construction, LLC & Harbor Dredging LA, Inc | Construction & Engineering | 8.08% | 5/10/2023 | 5/10/20262024-09-300001418076Preferred Equity - | SOINT LLC | Aerospace & Defense | 0.00% | 6/8/2012 | 6/30/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Fertility (ITC) Investment Holdco, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.74% | 1/4/2023 | 1/3/20292024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceEquityMember2023-12-310001418076ck0001418076:EquipmentOperatingLeasesLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/20282023-12-310001418076Equipment Financing | Clubcorp Holdings, Inc | Hotels, Restaurants & Leisure | 9.36-13.01% | 5/27/2021 | 4/1/2025-5/1/20282023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Total Investments - 208.7%2024-09-300001418076Plastics Management, LLC | Health Care Providers and Services | S+500 | 1.00% | 10.45% | 8/18/272023-12-310001418076us-gaap:EquitySecuritiesMember2023-01-012023-12-310001418076Equipment Financing | AFG Dallas III, LLC | Diversified Consumer Services | 10.00-11.29% | 8/11/2022 | 8/11/2026-3/1/2027srt:MinimumMember2024-09-3000014180762014-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | CVAUSA Management, LLC | Health Care Providers & Services | S+650 | 1.00% | 11.12% | 5/22/2023 | 5/22/20292024-09-300001418076ck0001418076:MediaMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:UltimateBakedGoodsMidcoLlcMember2023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMemberck0001418076:SeniorSecuredRevolvingCreditFacilityMemberck0001418076:SlrSeniorLendingProgramSpvLlcMember2024-09-300001418076Equipment Financing | Boart Longyear Company | Metals & Mining | 8.31-9.77% | 5/28/2020 | 4/1/2025-10/7/20262024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Glooko, Inc. | Health Care Technology | S+790 | 0.10% | 13.35% | 9/30/2021 | 10/1/20262023-12-310001418076Ultimate Baked Goods Midco LLC | Packaged Foods & Meats | S+625 | 1.00% | 11.41% | 8/13/272024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SointLlcMember2023-01-012023-12-310001418076Equipment Financing | Carolinas Contracting LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/2028srt:MinimumMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Quantcast Corporation | Commercial Services & Supplies | S+525 | 2.00% | 10.27% | 6/14/2024 | 6/14/20292024-09-300001418076All States Ag Parts, LLC | Trading Companies and Distributors| S+600 | 1.00% | 10.96% | 9/1/262024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Vapotherm, Inc. | Health Care Equipment & Supplies | S+930 | 1.00% | 14.75% | 2/18/2022 | 2/1/20272023-01-012023-12-310001418076Higginbotham Insurance Agency, Inc | Insurance | S+550 | 1.00% | 10.96% | 11/25/282023-01-012023-12-310001418076ck0001418076:SeniorSecuredCommitmentsMember2023-12-310001418076ck0001418076:CreditFacilityMember2016-12-310001418076us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076Equipment Financing | Rango, Inc | Commercial Services & Supplies | 9.33% | 9/24/2019 | 11/1/20242024-01-012024-09-300001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/2030srt:MinimumMember2023-12-310001418076Equipment Financing | The Smedley Company & Smedley Services, Inc. | Commercial Services & Supplies | 4.07% | 7/31/2017 | 1/15/20282024-09-300001418076ck0001418076:CreditFacilityMember2022-12-310001418076Common Equity/Equity Interests/Warrants | Venus Concept Ltd. Warrants (f/k/a Restoration Robotics)| Health Care Equipment & Supplies | 5/10/20182024-01-012024-09-300001418076Medrina, LLC | Health Care Providers & Services | S+600 | 1.00% | 11.55% | 10/20/292024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Business Credit | Diversified Financial Services | 4/1/20222023-01-012023-12-310001418076ck0001418076:PinnacleTreatmentCentersInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076Common Equity/Equity Interests/Warrants | Assertio Holdings, Inc. | Pharmaceuticals | 7/31/2023 2023-01-012023-12-310001418076Cash Equivalents | Liabilities in Excess of Other Assets 2023-12-310001418076Equipment Financing | A&A Crane and Rigging, LLC | Commercial Services & Supplies | 7.78% | 3/27/2023 | 3/27/20282024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | NSPC Holdings, LLC (National Spine) | Health Care Providers & Services | 2/13/20232023-01-012023-12-310001418076ck0001418076:KbhTopcoLlcKingsbridgeMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-12-310001418076Equipment Financing | No Limit Construction Services, LLC | Commercial Services & Supplies | 7.73% | 5/5/2023 | 6/1/20282023-01-012023-12-310001418076ck0001418076:PreferredEquityMember2024-06-300001418076ck0001418076:LifeSciencesToolsAndServicesMember2024-09-300001418076Equipment Financing | Rutt Services, LLC | Commercial Services & Supplies | 8.95% | 8/11/2023 | 8/11/20302023-01-012023-12-310001418076Equipment Financing | International Automotive Components Group, North America, Inc | Auto Components | 7.95% | 6/23/2021 | 6/23/20252024-01-012024-09-300001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08% | 10/31/2022 | 11/1/2027-6/1/2029srt:MaximumMember2023-12-310001418076The Townsend Company, LLC | Commercial Services and Supplies | S+625 | 1.00% | 11.61% | 8/15/292023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:OneTouchDirectLlcMember2024-09-300001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | Neuronetics, Inc. | Health Care Equipment & Supplies | S+565 | 3.95% | 11.00% | 3/2/2020 | 3/29/20282023-12-310001418076srt:MinimumMemberEquipment Financing | Trinity Equipment Rentals, Inc | Commercial Services & Supplies | 7.94-8.75% | 10/8/2021 | 11/1/2024-12/1/20262023-12-310001418076Legacy Service Partners, LLC | Diversified Consumer Services | S+575 | 1.00% | 10.50% | 1/9/292024-09-300001418076Higginbotham Insurance Agency, Inc | Insurance | S+550 | 1.00% | 10.96% | 11/25/282023-12-310001418076ck0001418076:InvestmentInSeniorSecuredLoansMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Pinnacle Treatment Centers, Inc. | Health Care Providers & Services | S+650 | 1.00% | 11.86% | 1/22/2020 | 1/2/20262023-01-012023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:ValuationTechniqueRecoveryApproachMemberck0001418076:InvestmentInSeniorSecuredLoansMemberck0001418076:MeasurementInputRecoverableAmountMember2023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Ultimate Baked Goods Midco LLC (Rise Baking) | Packaged Foods & Meats | S+625 | 1.00% | 10.96% | 8/12/2021 | 8/13/20272023-12-310001418076ck0001418076:SparMarketingForceInc.Memberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.94% | 11/15/2018 | 9/1/20252024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Opco, LLC | Health Care Providers & Services | S+725 | 1.00% | 12.75% | 5/31/2023 | 5/31/20262023-12-310001418076Maxor Acquisition, Inc | Health Care Providers and Services| S+675 | 1.00% | 12.48% | 3/1/292023-12-310001418076ck0001418076:TermLoansMember2017-12-310001418076Equipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2026-9/25/20262024-09-300001418076ck0001418076:TwoThousandAndTwentyThreeUnsecuredNotesMember2021-12-310001418076ck0001418076:VeronicaHoldingsLlcCommonEquityMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberck0001418076:InvestmentInSeniorSecuredLoansMember2023-12-310001418076All States Ag Parts, LLC | Trading Companies and Distributors| S+600 | 1.00% | 10.96% | 9/1/262024-01-012024-09-300001418076Equipment Financing | Lux Credit Consultants, LLC | Road & Rail | 8.28-12.09 % | 6/17/2021 | 12/1/2024-12/1/20262023-12-310001418076ck0001418076:SlrSeniorLendingProgramLlcMember2023-01-012023-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Alkeme Intermediary Holdings, LLC | Insurance| S+650 | 1.00% | 11.96% | 10/28/262023-12-310001418076ck0001418076:RdHoldcoIncClassBMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2023-01-012023-12-310001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08%| 10/31/2022 | 11/1/2027-6/1/2029srt:MaximumMember2024-09-300001418076srt:MinimumMemberEquipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2024-9/25/20242023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.35% | 4/1/2022 | 3/13/20262024-09-300001418076ck0001418076:EnergyEquipmentAndServicesMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:BasicFunInc.Member2024-09-300001418076Equipment Financing | Signet Marine Corporation | Transportation Infrastructure | 8.50% | 10/31/2022 | 11/1/20292023-12-310001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2016-12-310001418076srt:MaximumMemberEquipment Financing | Carolinas Contracting, LLC | Diversified Consumer Services | 8.40-8.72% | 3/7/2023 | 3/7/2028-5/18/20282023-12-310001418076ck0001418076:UvpManagementLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Logix Holding Company, LLC | Communications Equipment | P+475 | 1.00% | 13.25% | 9/14/2018 | 12/22/20242023-01-012023-12-310001418076ck0001418076:BaysideParentLlcLoanMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2022-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Ultimate Baked Goods Midco LLC (Rise Baking) | Packaged Foods & Meats | S+625 | 1.00% | 10.66% | 8/12/2021 | 8/13/20272024-09-300001418076us-gaap:FairValueInputsLevel3Memberck0001418076:MeasurementInputMarketYieldMemberck0001418076:PreferredEquityMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076srt:MinimumMember2024-01-012024-09-300001418076Equipment Financing | Ozzies, Inc | Commercial Services & Supplies | 10.72% | 12/23/2022 | 1/1/20272023-01-012023-12-310001418076Equipment Financing | Double S Industrial Contractors, Inc | Commercial Services & Supplies | 8.60% | 7/28/2023 | 8/1/20272023-01-012023-12-310001418076srt:MinimumMemberEquipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:TilleyDistributionIncMember2023-12-310001418076srt:MinimumMemberEquipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure | 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282023-12-310001418076ck0001418076:SlrHealthcareAblCreditMember2024-09-300001418076us-gaap:IPOMember2010-02-102010-02-100001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceDebtMember2024-01-012024-09-300001418076ck0001418076:PreferredEquityMember2024-07-012024-09-300001418076ck0001418076:AdvisoryAgreementMember2023-01-012023-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:DeepintentInc.Member2024-09-300001418076Equipment Financing | Drillers Choice, Inc | Commercial Services & Supplies | 8.00-10.08% | 10/31/2022 | 11/1/2027-6/1/20292023-12-310001418076Equipment Financing | PCX Aerostructures LLC | Aerospace & Defense | 9.32% | 11/23/2022 | 12/1/20282023-12-310001418076Foundation Consumer Brands, LLC | Personal Products | S+625 | 1.00% | 11.50% | 2/12/272024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | SLR-AMI Topco Blocker, LLC | Internet &Catalog Retail | 6/16/20232024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Tilley Distribution, Inc. | Trading Companies & Distributors | S+600 | 1.00% | 11.50% | 4/1/2022 | 12/31/20262023-12-310001418076Equipment Financing | AmeraMex International, Inc. | Commercial Services & Supplies | 10.00% | 3/29/2019 | 4/15/20252024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Bayside Parent, LLC | Health Care Providers & Services | S+1000 | 1.00% | 15.50% | 5/31/2023 | 5/31/20262023-01-012023-12-310001418076Equipment Financing | U.S. Crane & Rigging, LLC | Commercial Services & Supplies | 8.73%-10.92% | 12/23/2022 | 3/1/2027-9/1/20282024-01-012024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncCommonEquityMember2022-12-310001418076Equipment Financing | Capital City Jet Center, Inc | Airlines | 10.00% | 4/4/2018 | 6/22/20262023-01-012023-12-310001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2017-12-310001418076Senior Secured Loans | First Lien Life Science Senior Secured Loans | OmniGuide Holdings, Inc. | Health Care Equipment & Supplies | S+580 | 5.31% | 11.11% | 7/30/2018 | 11/1/20252024-01-012024-09-300001418076ck0001418076:ValuationApproachMarketMultipleMemberck0001418076:MeasurementInputComparableMultipleMemberus-gaap:EquitySecuritiesMembersrt:MaximumMember2023-12-310001418076ck0001418076:QuantcastCorporationMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2024-09-300001418076High Street Buyer, Inc | Insurance | S+525 | 0.75% | 9.85% | 4/16/282024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Brainjolt LLC | Media | P+425 | 3.25% | 12.25% | 1/22/2024 | 1/22/20252024-01-012024-09-300001418076Equipment Financing | Royal Express Inc | Road & Rail | 9.53% | 1/17/2019 | 2/1/20242023-12-310001418076ck0001418076:PharmaceuticalsMember2023-12-310001418076Equipment Financing | Georgia Jet, Inc | Airlines | 8.00% | 12/4/2017 | 1/4/20242023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:BrainjoltLLCMember2024-09-300001418076ck0001418076:PreferredEquityMember2024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/20272024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | TAUC Management, LLC | Health Care Providers & Services | S+700 | 1.00% | 11.75% | 4/1/2022 | 2/12/20272024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:RdHoldcoIncWarrantsMember2023-01-012023-12-310001418076ck0001418076:SlrBusinessCreditFacilityMember2024-07-012024-09-300001418076ck0001418076:CreditFacilityMember2019-12-310001418076Common Equity/Equity Interests/Warrants | Conventus Orthopaedics, Inc. Warrants | Health Care Equipment & Supplies | 6/15/20162023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:KaseyaIncMember2024-09-300001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:MedrinaLLCMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.35% | 2/10/2023 | 7/8/20262024-09-300001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2019-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Medrina, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.67% | 10/20/2023 | 10/20/20292023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | United Digestive MSO Parent, LLC | Health Care Providers & Services | S+675 | 1.00% | 12.25% | 3/30/2023 | 3/30/20292023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:CrewlineBuyerIncMember2023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageAndLessThanTwentyFivePercentageOwnedMember2024-07-012024-09-300001418076Equipment Financing | Air Methods Corporation | Airlines | 7.08-7.13% | 11/3/2021 | 11/3/2026-11/23/20262024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Western Veterinary Partners LLC | Diversified Consumer Services | S+500 | 1.00% | 9.60% | 1/19/2024 | 10/29/20272024-01-012024-09-300001418076ck0001418076:ShoesForCrewsGlobalLlcMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:LoyerCapitalLlcMember2022-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:ErieConstructionMidwestLlcMember2023-12-310001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/2027srt:MaximumMember2024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMemberck0001418076:MeasurementInputReturnOnEquityMemberus-gaap:EquitySecuritiesMember2023-01-012023-12-310001418076Equipment Financing | Energy Drilling Services, LLC | Diversified Consumer Services | 6.58-9.16% | 8/26/2022 | 11/9/2025-9/1/20272023-01-012023-12-310001418076us-gaap:EquitySecuritiesMember2024-01-012024-09-300001418076Vessco Midco Holdings, LLC | Water Utilities | S+450 | 1.00% | 9.96% | 11/2/262023-12-310001418076Preferred Equity - | Veronica Holdings, LLC (Vapotherm) | Health Care Equipment & Supplies | 9.00% | 9/20/2024 |2024-09-300001418076ck0001418076:TwoThousandAndTwentyTwoUnsecuredNotesMember2021-12-310001418076ck0001418076:EquipmentOperatingLeasesLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Equipment Financing | Rayzors Edge LLC | Diversified Consumer Services | 7.69-8.27% | 5/19/2023 | 5/18/2030-6/30/2030srt:MaximumMember2023-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:EquipmentFinancingMemberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | EyeSouth Eye Care Holdco LLC | Health Care Providers & Services | S+550 | 1.00% | 10.45% | 10/6/2022 | 10/5/20292024-09-300001418076ck0001418076:IcimsInc.Member2023-12-310001418076Equipment Financing | Loyer Capital LLC | Multi-Sector Holdings | 8.73-11.52% | 5/16/2019 | 5/16/2026-9/25/20262024-01-012024-09-300001418076ck0001418076:CreditFacilityMember2018-12-310001418076ck0001418076:TwoThousandAndFortyTwoUnsecuredNotesMember2014-12-310001418076RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.35% | 3/13/262024-01-012024-09-300001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans | FGI Worldwide LLC | Diversified Financial Services | S+650 | 1.00% | 11.35% | 4/17/2023 | 4/17/20282024-09-300001418076ck0001418076:RdHoldcoIncDebtMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076us-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kingsbridge Holdings, LLC | Multi-Sector Holdings | S+700 | 1.00% | 12.52% | 12/21/2018 | 12/21/20242023-12-310001418076RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.48% | 3/13/262023-12-310001418076ck0001418076:BaysideOpcoLLCOneMemberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076Equipment Financing | Aero Operating LLC | Commercial Services & Supplies | 8.47-9.04% | 2/12/2021 | 3/1/2025-12/1/20262024-01-012024-09-300001418076United Digestive MSO Parent, LLC | Health Care Providers and Services | S+675 | 1.00% | 12.25% | 3/30/292023-12-310001418076West-NR Parent, Inc | Insurance | S+625 | 1.00% | 10.95% | 12/27/272024-01-012024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Tilley Distribution, Inc. | Trading Companies & Distributors | S+600 | 1.00% | 11.50% | 4/1/2022 | 12/31/20262023-01-012023-12-310001418076ck0001418076:EquipmentFinancingMemberck0001418076:MeasuredAtNetAssetValueMemberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.35% | 7/8/262024-01-012024-09-300001418076ck0001418076:VapothermInc.Memberck0001418076:CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember2023-12-310001418076ck0001418076:QuantcastCorporationMemberck0001418076:UnfundedDebtAndEquityCommitmentsMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Atria Wealth Solutions, Inc. | Diversified Financial Services | S+650 | 1.00% | 11.97% | 9/14/2018 | 5/31/20242023-12-310001418076Equipment Financing | Miranda Logistics Enterprise, Inc | Construction & Engineering | 7.69% | 4/14/2023 | 4/14/20282024-09-300001418076Equipment Financing | Lux Vending, LLC | Consumer Finance | 12.46-13.26% | 8/20/2021 | 7/20/2024-10/1/2024srt:MaximumMember2023-12-310001418076ck0001418076:CrystalFinancialMember2012-11-300001418076ck0001418076:CompaniesLessThanFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Kingsbridge Holdings, LLC | Multi-Sector Holdings | S+700 | 1.00% | 12.49% | 12/21/2018 | 12/21/20242024-09-300001418076ck0001418076:TermLoansMember2015-12-310001418076us-gaap:FairValueInputsLevel3Memberck0001418076:BlackScholesPricingModelMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SlrEquipmentFinanceEquityMember2024-01-012024-09-300001418076srt:MinimumMemberEquipment Financing | Superior Transportation, Inc | Road & Rail | 10.22-10.63% | 7/31/2017 | 1/1/20262023-12-310001418076Retina Midco, Inc | Health Care Providers & Services | S+600 | 1.00% | 10.86% | 1/31/262024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | aTyr Pharma, Inc. Warrants | Pharmaceuticals | 11/18/20162023-12-310001418076ck0001418076:TwoThousandAndTwentySevenUnsecuredNotesMember2024-09-300001418076ck0001418076:SunsSpvLlcMemberck0001418076:TermLoanAndCreditFacilityMemberck0001418076:CitiBankNaMemberck0001418076:TermLoanMember2024-09-300001418076Equipment Financing | First American Commercial Bancorp, Inc | Diversified Financial Services | 7.50-9.02% | 10/28/2021 | 10/1/2026-3/1/20272023-12-310001418076Equipment Financing | Wind River Environmental, LLC | Diversified Consumer Services| 8.43% | 7/31/2019 | 10/5/20252024-09-300001418076Common Equity/Equity Interests/Warrants | SLR Senior Lending Program LLC | Asset Management | 12/1/20222023-01-012023-12-310001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMemberck0001418076:SointLlcMember2024-09-300001418076ck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-01-012024-09-300001418076ck0001418076:TwoThousandAndTwentySevenSeriesFUnsecuredNotesMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | iCIMS, Inc. | Software | S+725 | 0.75% | 12.10% | 8/18/2022 | 8/18/20282023-12-310001418076ck0001418076:KingsbridgeHoldingsLlcMemberck0001418076:CompaniesMoreThanTwentyFivePercentageOwnedMember2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | BDG Media, Inc. | Media | P+525 | 5.50% | 13.75% | 7/18/2022 | 7/31/20252023-12-310001418076us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2024-09-300001418076Cash Equivalents | U.S. Treasury Bill | Government | 9/30/2024 | 11/26/20242024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Pinnacle Treatment Centers, Inc. | Health Care Providers & Services | S+650 | 1.00% | 11.86% | 1/22/2020 | 1/2/20262023-12-3100014180762018-12-310001418076Senior Secured Loans | Second Lien Asset-Based Senior Secured Loans2023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:OneTouchDirectLlcMember2023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Urology Management Holdings, Inc. | Health Care Providers & Services | S+550 | 1.00% | 10.52% | 2/7/2023 | 6/15/20272024-01-012024-09-300001418076Equipment Financing | Worldwide Flight Services, Inc. | Transportation Infrastructure | 8.32-9.93% | 9/23/2022 | 9/23/2027-8/16/20282023-12-310001418076ck0001418076:CompaniesMoreThanFivePercentageAndLessThanTwentyFivePercentageOwnedMember2023-07-012023-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Logix Holding Company, LLC | Communications Equipment | P+475 | 1.00% | 13.25% | 9/14/2018 | 12/22/20242023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | Peter C. Foy & Associates Insurance Services, LLC | Insurance | S+550 | 0.75% | 10.35% | 4/1/2022 | 11/1/20282024-01-012024-09-300001418076Common Equity/Equity Interests/Warrants | RD Holdco, Inc. (Rug Doctor) ClassB | Diversified Consumer Services | 12/23/20132024-09-300001418076ck0001418076:EquipmentFinancingMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2023-12-310001418076Common Equity/Equity Interests/Warrants | SLR Healthcare ABL | Diversified Financial Services | 4/1/20222024-09-300001418076ck0001418076:SlrSeniorLendingProgramLlcMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberck0001418076:SeniorSecuredRevolvingCreditFacilityMemberck0001418076:SlrSeniorLendingProgramSpvLlcMember2022-12-122022-12-120001418076Equipment Financing | HTI Logistics Corporation | Commercial Services & Supplies | 9.69-9.94% | 11/15/2018 | 5/1/2024-9/1/2025srt:MinimumMember2023-12-310001418076ck0001418076:SlrEquipmentFinanceMember2023-12-310001418076West-NR Parent, Inc | Insurance | S+625 | 1.00% | 11.70% | 12/27/272023-12-310001418076RxSense Holdings LLC | Diversified Consumer Services | S+500 | 1.00% | 10.48% | 3/13/262023-01-012023-12-310001418076iCIMS, Inc | Software | S+725 | 0.75% | 12.56% | 8/18/282024-01-012024-09-300001418076Equipment Financing | Womble Company, Inc. | Energy Equipment & Services| 9.11% | 12/27/2019 | 1/1/20252024-09-300001418076Equipment Financing | Rotten Rock Hardscaping & Tree Service | Diversified Consumer Services | 8.21% | 12/6/2022 | 12/6/20272023-01-012023-12-310001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | ONS MSO, LLC | Health Care Providers & Services | S+625 | 1.00% | 11.62% | 2/10/2023 | 7/8/20262023-12-310001418076ck0001418076:TwoThousandAndTwentySixUnsecuredNotesMember2024-09-300001418076Equipment Financing | CKD Holdings, Inc | Road & Rail | 8.10-8.60% | 9/22/2022 | 6/22/2026-9/22/20272023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:AMFLeveredIILLCMember2023-12-310001418076Preferred Equity | Total Preferred Equity2024-09-300001418076Senior Secured Loans | First Lien Bank Debt/Senior Secured Loans | West-NR Parent, Inc. | Insurance | S+625 | 1.00% | 11.70% | 8/1/2023 | 12/27/20272023-12-310001418076Equipment Financing | Smiley Lifting Solutions, LLC | Commercial Services & Supplies | 7.82-8.61% | 6/30/2022 | 9/15/2026-6/27/20302023-01-012023-12-310001418076ck0001418076:UnfundedDebtAndEquityCommitmentsMemberck0001418076:KaseyaIncMember2023-12-310001418076srt:WeightedAverageMemberck0001418076:EquipmentFinancingMemberck0001418076:MeasurementInputMarketYieldMemberus-gaap:IncomeApproachValuationTechniqueMember2024-09-300001418076CVAUSA Management, LLC | Health Care Providers and Services | S+650 | 1.00% | 11.74% | 5/22/292023-01-012023-12-310001418076Common Equity/Equity Interests/Warrants | Venus Concept Ltd. Warrants (f/k/a Restoration Robotics) | Health Care Equipment & Supplies | 5/10/20182023-01-012023-12-31xbrli:pureck0001418076:Issuersck0001418076:Loansiso4217:USDxbrli:sharesxbrli:sharesck0001418076:Customersck0001418076:CreditFundiso4217:USDck0001418076:Fund