{"url":"https://nivawealth.com/firms/blackstone-isg-i-advisors-289202","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/289202","regulatoryAum":183531150199,"crd":"289202","secFileNumber":"801-111810","legalName":"Blackstone Isg-I Advisors L.L.C.","displayName":"Blackstone Isg-I Advisors","website":"http://www.blackstone.com","founded":null,"organization":"Delaware limited liability company","fiscalYearEnd":"December","headquarters":{"street":"345 Park Avenue","city":"New York","state":"NY","stateName":"New York","country":"United States","postalCode":"10154"},"tradeNames":[],"registration":{"secApproved":"6 October 2017","noticeFilings":null,"latestNoticeFiling":null},"staff":{"employees":114,"advisory":44,"brokerDealerReps":20,"insuranceAgents":0,"promoters":0},"aum":{"discretionary":183531150199,"discretionaryAccounts":44,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":null,"nonUsClientsPct":48,"nonAumClients":0},"clientTypes":[{"label":"Pooled investment vehicles","clients":6,"regulatoryAum":916625227},{"label":"Insurance companies","clients":38,"regulatoryAum":182614524972}],"fees":[],"feeNotes":[],"custodians":[{"name":"Citibank, N.A.","shortName":"Citibank, N.A.","location":"New York, NY","smaAssets":52074328909},{"name":"The Bank of New York Mellon","shortName":"The Bank of New York Mellon","location":"Ny, NY","smaAssets":127178559689},{"name":"Jpmorgan Chase Bank, National Association","shortName":"J.P. Morgan","location":"New York, NY","smaAssets":91122558},{"name":"BNP Paribas","shortName":"BNP Paribas","location":"Sydney","smaAssets":3276366382}],"custodyNote":"Blackstone Isg-I Advisors has custody of $46.8M for 14 clients.","otherCustodians":[],"leadership":[{"name":"William Skinner","title":"Chief Financial Officer","crd":"5812821"},{"name":"Ida Hoghooghi","title":"Chief Operating Officer","crd":"4889351"},{"name":"Panayiota (Toula) Bougiamas","title":"Chief Compliance Officer","crd":"7189915"},{"name":"Gilles Dellaert","title":"Global Head of Blackstone Credit and Insurance","crd":"4664163"},{"name":"Philip Sherrill","title":"Global Head of Insurance","crd":"5005774"},{"name":"Robert Young","title":"General Counsel","crd":"6571221"}],"ownership":[{"label":"Blackstone Intermediary Holdco L.L.C.","detail":"Sole member in the 75% or more ownership band and a control person, since August 2017."},{"label":"Blackstone Holdings I L.P.","detail":"Indirect owner: a limited partner of Blackstone Group Holdings L.P. in the 75% or more band and a control person, since June 2007.","parent":"Blackstone Group Holdings L.P."},{"label":"Blackstone Group Holdings L.P.","detail":"Indirect owner: a limited partner of Blackstone Securities Partners L.P. in the 75% or more band and a control person, since July 2011.","parent":"Blackstone Securities Partners L.P."},{"label":"Blackstone Holdings I/II GP L.L.C.","detail":"Indirect owner: general partner of Blackstone Holdings I L.P. and a control person, since June 2007.","parent":"Blackstone Holdings I L.P."},{"label":"Blackstone Inc.","detail":"Indirect owner: a sole member of Blackstone Holdings I/II GP L.L.C. in the 75% or more band and a control person, since June 2007.","parent":"Blackstone Holdings I/II GP L.L.C."},{"label":"Blackstone Securities Partners L.P.","detail":"Indirect owner: a sole member of Blackstone Intermediary Holdco L.L.C. in the 75% or more band and a control person, since July 2011.","parent":"Blackstone Intermediary Holdco L.L.C."}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":4,"privateResidences":0},"listedOfficeAddresses":1,"officesByState":[{"state":"New York","offices":1,"addresses":[{"street":"345 Park Avenue","city":"New York","headquarters":true}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"212-583-5000","stateRegisteredReps":0,"otherAdviserReps":0,"compensation":["A percentage of assets under management"],"activities":["Portfolio management for pooled investment vehicles (other than investment companies)","Portfolio management for businesses (other than small businesses) or institutional clients","Selection of other advisers (including private fund managers)"],"financialPlanningClients":null,"assetMix":[{"label":"U.S. state and local bonds","percent":1},{"label":"Investment grade corporate bonds","percent":24},{"label":"Securities issued by pooled investment vehicles (other than registered investment companies)","percent":5},{"label":"Cash and cash equivalents","percent":5},{"label":"Other","percent":65,"detail":"Consists of Commercial Mortgage Loans, Resi-Loans, Abf Loans, Direct Lending, CML, Resi, Repo, CMBS, RMBS, Clo Debt, Equity/Residuals"}],"privateFunds":6},"sources":{"adv1FilingDate":"30 March 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/289202/PDF/289202.pdf","brochureDate":null,"brochureUrl":null,"iapdCompiledDate":null,"retrievedDate":"15 October 2026","retrievedOn":"2026-10-15","adv1Pages":{},"brochurePages":{}},"otherBusiness":[],"faq":[{"question":"How many clients does Blackstone Isg-I Advisors have?","answer":"Blackstone Isg-I Advisors has 44 clients and manages $183.5 billion for them, as of March 2026. They include 38 insurance companies and 6 pooled investment vehicles.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 30 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Blackstone Isg-I Advisors offer?","answer":"Blackstone Isg-I Advisors provides portfolio management for pooled vehicles, portfolio management for institutions and selecting other managers.","source":"Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Which custodians does Blackstone Isg-I Advisors use?","answer":"Blackstone Isg-I Advisors’ separately managed account assets are held at The Bank of New York Mellon (Ny, NY), with $127,178,559,689, Citibank, N.A. (New York, NY), with $52,074,328,909, BNP Paribas (Sydney), with $3,276,366,382 and Jpmorgan Chase Bank, National Association (New York, NY), with $91,122,558. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 30 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Blackstone Isg-I Advisors have?","answer":"Blackstone Isg-I Advisors has 0 investment adviser representatives registered with state securities authorities, out of 114 employees, and 44 perform investment advisory functions. 20 are registered representatives of a broker-dealer and 0 are licensed insurance agents.","source":"Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What does Blackstone Isg-I Advisors invest in?","answer":"At the end of its last fiscal year, Blackstone Isg-I Advisors’ separately managed accounts held 65% consists of commercial mortgage loans, resi-loans, abf loans, direct lending, cml, resi, repo, cmbs, rmbs, clo debt, equity/residuals, 24% investment grade corporate bonds, 5% pooled vehicles (private funds and similar), 5% cash and equivalents and 1% state and local bonds. It advises 6 private funds.","source":"Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Who owns Blackstone Isg-I Advisors?","answer":"Blackstone Isg-I Advisors is owned through a chain of holding companies by Blackstone Inc. Its direct owner is Blackstone Intermediary Holdco L.L.C. (75% or more).","source":"Form ADV Part 1A, Schedules A and B, filed 30 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Blackstone Isg-I Advisors get paid?","answer":"Blackstone Isg-I Advisors is paid through a percentage of assets under management. Its Form ADV lists no commissions or performance-based fees among how it is paid.","source":"Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}}],"holdings":null,"notice":"Compiled from public SEC Form ADV filings on the dates in `sources`. Facts as filed; not a rating, ranking, or recommendation. Niva Wealth is not affiliated with this firm. Disciplinary history is deliberately not included here or on the page; the SEC publishes the complete record at the `iapdUrl` above."}