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Units2024-06-300001736035bxsl:DistributorsSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035Cambium Holdings, LLC - Senior Preferred Interests2024-06-300001736035DTA LP - Class A Units2024-06-300001736035us-gaap:ConsumerSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035THL Fund IX Investors (Plymouth II), LP2024-06-300001736035Point Broadband Holdings, LLC - Class A Units2024-06-300001736035Point Broadband Holdings, LLC - Class B Units2024-06-300001736035Point Broadband Holdings, LLC - Class Additional A Units2024-06-300001736035Point Broadband Holdings, LLC - Class Additional B Units2024-06-300001736035bxsl:DiversifiedTelecommunicationServicesSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035GCX Corporation Group Holdings, L.P. - Class A-2 Units2024-06-300001736035AVE Holdings I Corp. - Series A-1 Preferred Shares2024-06-300001736035Jayhawk Holdings, LP - A-1 Common Units2024-06-300001736035Jayhawk Holdings, LP - A-2 Common Units2024-06-300001736035bxsl:HealthCareProvidersServicesSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035Caerus Midco 2 S.à r.l. - Additional Vehicle Units2024-06-300001736035Caerus Midco 2 S.à r.l. - Vehicle Units2024-06-300001736035Healthcomp Holding Company, LLC - Preferred Interest2024-06-300001736035bxsl:HealthCareTechnologySectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035CFCo LLC (Benefytt Technologies, Inc.) - Class B Units2024-06-300001736035Shelf Holdco Ltd Common Equity2024-06-300001736035us-gaap:InsuranceSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035NC Ocala Co-Invest Beta, L.P. - LP Interest2024-06-300001736035OHCP V TC COI, LP. - LP Interest2024-06-300001736035Tricor Horizon - LP Interest2024-06-300001736035Trinity Air Consultants Holdings Corp - Common Units2024-06-300001736035bxsl:ProfessionalServicesSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035Connatix Parent, LLC - Class L Common Units2024-06-300001736035Descartes Holdings, Inc - Class A Units2024-06-300001736035Expedition Holdco, LLC - Class A Units2024-06-300001736035Expedition Holdco, LLC - Class B Units2024-06-300001736035Lobos Parent, Inc. - Series A Preferred Shares2024-06-300001736035Mandolin Technology Holdings, Inc. - Series A Preferred Shares2024-06-300001736035Mimecast Limited - LP Interests2024-06-300001736035TPG IX Newark CI, L.P. - LP Interests2024-06-300001736035Zoro Common Equity2024-06-300001736035Zoro Series A Preferred Shares2024-06-300001736035bxsl:SoftwareSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035CustomInk, LLC - Series A Preferred Units2024-06-300001736035Frontline Road Safety Investments, LLC - Class A Common Units2024-06-300001736035Ncp Helix Holdings, LLC. - Preferred Shares2024-06-300001736035bxsl:TransportationInfrastructureSectorMemberus-gaap:EquitySecuritiesMember2024-06-300001736035us-gaap:InvestmentUnaffiliatedIssuerMemberus-gaap:EquitySecuritiesMember2024-06-300001736035Blackstone Donegal Holdings LP - LP Interests (Westland Insurance Group LTD)2024-06-300001736035Material+ Holding Company, LLC2024-06-300001736035us-gaap:InvestmentAffiliatedIssuerNoncontrolledMemberus-gaap:EquitySecuritiesMember2024-06-300001736035us-gaap:EquitySecuritiesMember2024-06-300001736035bxsl:InvestmentPortfolioMember2024-06-300001736035Other Cash and Cash Equivalents2024-06-300001736035us-gaap:CashAndCashEquivalentsMember2024-06-300001736035bxsl:QualifyingAssetsMember2024-06-300001736035bxsl:NonQualifyingAssetsMember2024-06-300001736035123Dentist, Inc., Delayed Draw Term Loan2024-06-300001736035ACI Group Holdings, Inc., Revolver2024-06-300001736035ACI Group Holdings, Inc., Delayed Draw Term Loan2024-06-300001736035ADCS Clinics Intermediate Holdings, LLC, Revolver2024-06-300001736035AI Altius Bidco Inc, Delayed Draw Term Loan2024-06-300001736035Alera Group, Inc., Delayed Draw Term Loan2024-06-300001736035Allium Buyer LLC, Revolver2024-06-300001736035American Restoration Holdings, LLC, Term Loan2024-06-300001736035American Restoration Holdings, LLC, Delayed Draw Term Loan 12024-06-300001736035American Restoration Holdings, LLC, Delayed Draw Term Loan 22024-06-300001736035American Restoration Holdings, LLC, Revolver2024-06-300001736035Amerilife Holdings LLC, Delayed Draw Term Loan 12024-06-300001736035Amerilife Holdings LLC, Revolver2024-06-300001736035Amerilife Holdings LLC, Delayed Draw Term Loan 22024-06-300001736035Amerivet Partners Management, Inc., Revolver2024-06-300001736035Anaplan, Inc., Revolver2024-06-300001736035Apex Companies, LLC, Delayed Draw Term Loan2024-06-300001736035Armada Parent, Inc., Revolver2024-06-300001736035Ascend Buyer, LLC, Revolver2024-06-300001736035Azurite Intermediate Holdings Inc., Delayed Draw Term Loan2024-06-300001736035Azurite Intermediate Holdings Inc., Revolver2024-06-300001736035Baker Tilly Advisory Group LP, Revolver2024-06-300001736035Baker Tilly Advisory Group LP, Delayed Draw Term Loan2024-06-300001736035Bamboo US BidCo LLC, Delayed Draw Term Loan2024-06-300001736035Bamboo US BidCo LLC, Revolver2024-06-300001736035Bazaarvoice, Inc., Revolver2024-06-300001736035Bimini Group Purchaser Inc, Delayed Draw Term Loan2024-06-300001736035Bimini Group Purchaser Inc, Revolver2024-06-300001736035BlueCat Networks USA, Inc., Delayed Draw Term Loan2024-06-300001736035Bluefin Holding, LLC, Revolver2024-06-300001736035BPPH2 Limited, Term Loan2024-06-300001736035BradyIFS Holdings, LLC, Revolver2024-06-300001736035BradyIFS Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035Brave Parent Holdings, Inc., Delayed Draw Term Loan2024-06-300001736035Brave Parent Holdings, Inc., Revolver2024-06-300001736035Caerus US 1, Inc., Delayed Draw Term Loan 12024-06-300001736035Caerus US 1, Inc., Revolver2024-06-300001736035Caerus US 1, Inc., Delayed Draw Term Loan 22024-06-300001736035Cambium Learning Group, Inc., Revolver2024-06-300001736035Castle Management Borrower, LLC, Revolver2024-06-300001736035CFGI Holdings, LLC, Revolver2024-06-300001736035CFS Brands, LLC, Delayed Draw Term Loan2024-06-300001736035CFS Brands, LLC, Revolver2024-06-300001736035Channelside Acquisitionco Inc, Delayed Draw Term Loan 12024-06-300001736035Channelside Acquisitionco Inc, Delayed Draw Term Loan 22024-06-300001736035Channelside Acquisitionco Inc, Revolver2024-06-300001736035Charger Debt Merger Sub, LLC, Revolver2024-06-300001736035Charger Debt Merger Sub, LLC, Delayed Draw Term Loan2024-06-300001736035Cisive Holdings Corp., Revolver2024-06-300001736035Clearview Buyer, Inc., Revolver2024-06-300001736035Clearview Buyer, Inc., Delayed Draw Term Loan2024-06-300001736035Community Brands ParentCo, LLC, Revolver2024-06-300001736035Connatix Buyer, Inc., Revolver2024-06-300001736035Consor Intermediate II LLC, Delayed Draw Term Loan2024-06-300001736035Consor Intermediate II LLC, Revolver2024-06-300001736035Continental Buyer Inc, Revolver2024-06-300001736035Continental Buyer Inc, Delayed Draw Term Loan2024-06-300001736035COP Home Services TopCo IV, Inc., Revolver2024-06-300001736035COP Home Services TopCo IV, Inc., Delayed Draw Term Loan2024-06-300001736035Coupa Software Inc., Delayed Draw Term Loan2024-06-300001736035Coupa Software Inc., Revolver2024-06-300001736035CPI Buyer, LLC, Delayed Draw Term Loan2024-06-300001736035CPI Buyer, LLC, Revolver2024-06-300001736035Crewline Buyer, Inc., Revolver2024-06-300001736035Cumming Group, Inc., Revolver2024-06-300001736035Cumming Group, Inc., Delayed Draw Term Loan2024-06-300001736035DCG Acquisition Corp, Revolver2024-06-300001736035DCG Acquisition Corp, Delayed Draw Term Loan2024-06-300001736035Dechra Pharmaceuticals Holdings Ltd., Delayed Draw Term Loan 12024-06-300001736035Dechra Pharmaceuticals Holdings Ltd., Delayed Draw Term Loan 22024-06-300001736035Denali Bidco Ltd, Delayed Draw Term Loan2024-06-300001736035Doc Generici (Diocle S.p.A.), Delayed Draw Term Loan2024-06-300001736035DTA Intermediate II Ltd., Delayed Draw Term Loan2024-06-300001736035DTA Intermediate II Ltd., Revolver2024-06-300001736035Eden Acquisitionco Ltd, Delayed Draw Term Loan2024-06-300001736035Elements Finco Ltd, Delayed Draw Term Loan2024-06-300001736035Emergency Power Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035Endeavor Schools Holdings LLC, Delayed Draw Term Loan2024-06-300001736035ENV Bidco AB, Delayed Draw Term Loan2024-06-300001736035Episerver, Inc., Revolver2024-06-300001736035Essential Services Holding Corp, Delayed Draw Term Loan2024-06-300001736035Essential Services Holding Corp, Revolver2024-06-300001736035Everbridge Holdings LLC, Term Loan2024-06-300001736035Everbridge Holdings LLC, Delayed Draw Term Loan2024-06-300001736035Everbridge Holdings LLC, Revolver2024-06-300001736035Experity, Inc., Revolver2024-06-300001736035Fern Bidco Ltd, Term Loan2024-06-300001736035Fern Bidco Ltd, Delayed Draw Term Loan2024-06-300001736035Formulations Parent Corp., Revolver2024-06-300001736035Foundation Risk Partners Corp., Revolver2024-06-300001736035Foundation Risk Partners Corp., Delayed Draw Term Loan 12024-06-300001736035Foundation Risk Partners Corp., Delayed Draw Term Loan 22024-06-300001736035Frontgrade Technologies Holdings, Inc., Revolver2024-06-300001736035Frontline Road Safety, LLC, Delayed Draw Term Loan2024-06-300001736035FusionSite Midco, LLC, Delayed Draw Term Loan2024-06-300001736035FusionSite Midco, LLC, Revolver2024-06-300001736035G&A Partners Holding Company II, LLC, Delayed Draw Term Loan2024-06-300001736035G&A Partners Holding Company II, LLC, Revolver2024-06-300001736035Galway Borrower, LLC, Revolver2024-06-300001736035Galway Borrower, LLC, Delayed Draw Term Loan2024-06-300001736035Gannett Fleming, Inc, Term Loan2024-06-300001736035Gannett Fleming, Inc, Revolver2024-06-300001736035GI Ranger Intermediate, LLC, Revolver2024-06-300001736035Gigamon Inc., Revolver2024-06-300001736035Gimlet Bidco GmbH, Delayed Draw Term Loan2024-06-300001736035GovernmentJobs.com, Inc., Revolver2024-06-300001736035GovernmentJobs.com, Inc., Delayed Draw Term Loan2024-06-300001736035Granicus, Inc., Revolver2024-06-300001736035Granicus, Inc., Delayed Draw Term Loan2024-06-300001736035Graphpad Software LLC, Revolver2024-06-300001736035Graphpad Software LLC, Delayed Draw Term Loan2024-06-300001736035GS Acquisitionco Inc, Delayed Draw Term Loan2024-06-300001736035GS Acquisitionco Inc, Revolver2024-06-300001736035Gusto Sing Bidco Pte Ltd, Delayed Draw Term Loan2024-06-300001736035High Street Buyer, Inc., Revolver2024-06-300001736035High Street Buyer, Inc., Delayed Draw Term Loan 12024-06-300001736035High Street Buyer, Inc., Delayed Draw Term Loan 22024-06-300001736035Homecare Software Solutions LLC, Delayed Draw Term Loan2024-06-300001736035Homecare Software Solutions LLC, Revolver2024-06-300001736035Icefall Parent, Inc., Revolver2024-06-300001736035IG Investments Holdings, LLC, Revolver2024-06-300001736035Inception Fertility Ventures LLC, Revolver2024-06-300001736035Inception Fertility Ventures LLC, Delayed Draw Term Loan2024-06-300001736035Integrity Marketing Acquisition, LLC, Revolver2024-06-300001736035Integrity Marketing Acquisition, LLC, Delayed Draw Term Loan2024-06-300001736035IQN Holding Corp, Revolver2024-06-300001736035IRI Group Holdings Inc, Revolver2024-06-300001736035Iris Buyer, LLC, Revolver2024-06-300001736035Iris Buyer, LLC, Delayed Draw Term Loan2024-06-300001736035ISQ Hawkeye Holdco, Inc., Revolver2024-06-300001736035ISQ Hawkeye Holdco, Inc., Delayed Draw Term Loan2024-06-300001736035Java Buyer, Inc., Delayed Draw Term Loan 12024-06-300001736035Java Buyer, Inc., Delayed Draw Term Loan 22024-06-300001736035Java Buyer, Inc., Revolver 12024-06-300001736035Java Buyer, Inc., Revolver 22024-06-300001736035JS Parent Inc, Revolver2024-06-300001736035Kattegat Project Bidco AB, Delayed Draw Term Loan2024-06-300001736035Kona Intermediate, LLC, Term Loan2024-06-300001736035Kona Intermediate, LLC, Delayed Draw Term Loan 12024-06-300001736035Kona Intermediate, LLC, Delayed Draw Term Loan 22024-06-300001736035Kona Intermediate, LLC, Revolver2024-06-300001736035Knowledge Pro Buyer, Inc., Revolver2024-06-300001736035Knowledge Pro Buyer, Inc., Delayed Draw Term Loan2024-06-300001736035Kwol Acquisition, Inc., Revolver2024-06-300001736035LPW Group Holdings, Inc., Revolver2024-06-300001736035Magic Bidco Inc, Term Loan2024-06-300001736035Magic Bidco Inc, Delayed Draw Term Loan2024-06-300001736035Magic Bidco Inc, Revolver2024-06-300001736035Magnesium BorrowerCo, Inc., Delayed Draw Term Loan2024-06-300001736035Magneto Components BuyCo, LLC, Revolver2024-06-300001736035Magneto Components BuyCo, LLC, Delayed Draw Term Loan2024-06-300001736035Mandolin Technology Intermediate Holdings, Inc., Revolver2024-06-300001736035Material Holdings, LLC, Revolver2024-06-300001736035MB2 Dental Solutions, LLC, Delayed Draw Term Loan 12024-06-300001736035MB2 Dental Solutions, LLC, Delayed Draw Term Loan 22024-06-300001736035MB2 Dental Solutions, LLC, Revolver2024-06-300001736035Mercury Bidco Globe Limited, Delayed Draw Term Loan2024-06-300001736035MHE Intermediate Holdings, LLC, Revolver2024-06-300001736035Monk Holding Co., Delayed Draw Term Loan2024-06-300001736035Monterey Financing, S.A.R.L, Delayed Draw Term Loan2024-06-300001736035More Cowbell II, LLC, Delayed Draw Term Loan2024-06-300001736035More Cowbell II, LLC, Revolver2024-06-300001736035MPG Parent Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035MPG Parent Holdings, LLC, Revolver2024-06-300001736035MRI Software, LLC, Revolver2024-06-300001736035MRI Software, LLC, Delayed Draw Term Loan2024-06-300001736035NAVEX TopCo, Inc., Revolver2024-06-300001736035Navigator Acquiror, Inc., Delayed Draw Term Loan2024-06-300001736035NDC Acquisition Corp., Revolver2024-06-300001736035Neptune BidCo, Delayed Draw Term Loan2024-06-300001736035Neptune Holdings, Inc., Revolver2024-06-300001736035Noble Midco 3 Ltd, Delayed Draw Term Loan2024-06-300001736035Noble Midco 3 Ltd, Revolver2024-06-300001736035Onex Baltimore Buyer, Inc., Delayed Draw Term Loan2024-06-300001736035Oranje Holdco Inc, Revolver2024-06-300001736035Oxford Global Resources Inc, Revolver2024-06-300001736035Paisley Bidco Ltd, Delayed Draw Term Loan2024-06-300001736035Park Place Technologies, LLC, Delayed Draw Term Loan2024-06-300001736035Park Place Technologies, LLC, Revolver2024-06-300001736035Pavion Corp., Delayed Draw Term Loan2024-06-300001736035PDI TA Holdings, Inc., Delayed Draw Term Loan2024-06-300001736035PDI TA Holdings, Inc., Revolver2024-06-300001736035Petrus Buyer Inc, Delayed Draw Term Loan2024-06-300001736035Petrus Buyer Inc, Revolver2024-06-300001736035PGIS Intermediate Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035PGIS Intermediate Holdings, LLC, Revolver2024-06-300001736035Phoenix 1 Buyer Corp., Revolver2024-06-300001736035Point Broadband Acquisition, LLC, Delayed Draw Term Loan2024-06-300001736035PPV Intermediate Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035PPV Intermediate Holdings, LLC, Revolver2024-06-300001736035Profile Products, LLC, Revolver 12024-06-300001736035Profile Products, LLC, Revolver 22024-06-300001736035Progress Residential PM Holdings, LLC, Delayed Draw Term Loan 12024-06-300001736035Progress Residential PM Holdings, LLC, Delayed Draw Term Loan 22024-06-300001736035PT Intermediate Holdings III LLC, Delayed Draw Term Loan2024-06-300001736035Pye-Barker Fire & Safety LLC, Delayed Draw Term Loan2024-06-300001736035Qualus Power Services Corp., Delayed Draw Term Loan 12024-06-300001736035Qualus Power Services Corp., Delayed Draw Term Loan 22024-06-300001736035Rally Buyer, Inc., Revolver2024-06-300001736035Recorded Future Inc, Delayed Draw Term Loan2024-06-300001736035Recorded Future Inc, Revolver2024-06-300001736035Redwood Services Group, LLC, Delayed Draw Term Loan2024-06-300001736035Relativity ODA, LLC, Revolver2024-06-300001736035RoadOne Inc, Revolver2024-06-300001736035Safety Borrower Holdings LP, Revolver2024-06-300001736035Sam Holding Co, Inc., Revolver2024-06-300001736035Sam Holding Co, Inc., Delayed Draw Term Loan2024-06-300001736035Scorpio BidCo SAS, Delayed Draw Term Loan2024-06-300001736035SEKO Global Logistics Network, LLC, Revolver2024-06-300001736035SG Acquisition Inc, Revolver2024-06-300001736035Skopima Consilio Parent LLC, Revolver2024-06-300001736035Smile Doctors, LLC, Delayed Draw Term Loan2024-06-300001736035Smile Doctors, LLC, Revolver2024-06-300001736035SpecialtyCare, Inc., Revolver2024-06-300001736035Stepping Stones Healthcare Services, LLC, Revolver2024-06-300001736035Stepping Stones Healthcare Services, LLC, Delayed Draw Term Loan2024-06-300001736035Spectrum Safety Solution Purchaser, LLC, Equity2024-06-300001736035Spectrum Safety Solution Purchaser, LLC, Term Loan2024-06-300001736035Spectrum Safety Solution Purchaser, LLC, Delayed Draw Term Loan2024-06-300001736035Spectrum Safety Solution Purchaser, LLC, Revolver2024-06-300001736035STV Group, Inc., Delayed Draw Term Loan2024-06-300001736035STV Group, Inc., Revolver2024-06-300001736035Tennessee Bidco Limited, Term Loan2024-06-300001736035Tennessee Bidco Limited, Delayed Draw Term Loan2024-06-300001736035The Fertility Partners, Inc., Revolver2024-06-300001736035The GI Alliance Management, LLC, Delayed Draw Term Loan2024-06-300001736035The Hiller Companies LLC, Delayed Draw Term Loan2024-06-300001736035The Hiller Companies LLC, Revolver2024-06-300001736035Trader Corp., Revolver2024-06-300001736035Trinity Air Consultants Holdings Corp., Delayed Draw Term Loan 12024-06-300001736035Trinity Air Consultants Holdings Corp., Revolver2024-06-300001736035Trinity Air Consultants Holdings Corp., Delayed Draw Term Loan 22024-06-300001736035Trinity Partners Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035Triple Lift, Inc., Revolver2024-06-300001736035Turing Holdco, Inc., Delayed Draw Term Loan 12024-06-300001736035Turing Holdco, Inc., Delayed Draw Term Loan 22024-06-300001736035UMP Holdings, LLC, Delayed Draw Term Loan2024-06-300001736035Unified Physician Management, LLC, Revolver2024-06-300001736035Unified Physician Management, LLC, Delayed Draw Term Loan2024-06-300001736035US Oral Surgery Management Holdco, LLC, Delayed Draw Term Loan2024-06-300001736035US Oral Surgery Management Holdco, LLC, Revolver2024-06-300001736035West Monroe Partners, LLC, Revolver2024-06-300001736035WHCG Purchaser III, Inc., Revolver2024-06-300001736035World Insurance Associates, LLC, Delayed Draw Term Loan2024-06-300001736035World Insurance Associates, LLC, Revolver2024-06-300001736035WPEngine, Inc., Revolver2024-06-300001736035Zendesk Inc, Revolver2024-06-300001736035Zendesk Inc, Delayed Draw Term 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