{"url":"https://nivawealth.com/firms/sio-capital-management-165989","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/165989","regulatoryAum":1293066687,"crd":"165989","history":[{"filedOn":"2021-03-22","regulatoryAum":858625619,"clients":7,"employees":14,"offices":2},{"filedOn":"2022-03-07","regulatoryAum":816888894,"clients":8,"employees":13,"offices":2},{"filedOn":"2023-03-15","regulatoryAum":1065063194,"clients":6,"employees":13,"offices":2},{"filedOn":"2024-03-26","regulatoryAum":1405889917,"clients":7,"employees":14,"offices":2},{"filedOn":"2025-03-12","regulatoryAum":1135893789,"clients":2,"employees":14,"offices":2},{"filedOn":"2026-03-18","regulatoryAum":1293066687,"clients":6,"employees":13,"offices":2}],"secFileNumber":"801-78021","legalName":"Sio Capital Management, LLC","displayName":"Sio Capital Management","slug":"sio-capital-management-165989","website":"https://siocapital.com/","logo":{"src":"https://rmkhnxnbeclogprvkfyl.supabase.co/storage/v1/object/public/firm-logos/165989/e2645c3de9505ec6-r1.webp","tone":"light","width":447,"height":200,"sourceUrl":"https://www.siocapital.com/","sourceLabel":"SIO Capital Management, LLC, website"},"classification":{"segment":"private_funds","segmentLabel":"Private funds","type":"private_fund_manager","typeLabel":null,"feeDisclosure":"payment_only"},"founded":null,"organization":"Delaware limited liability company","fiscalYearEnd":"December","headquarters":{"street":"600 Third Avenue, 2nd Floor","city":"New York","state":"NY","stateName":"New York","country":"United States","postalCode":"10016"},"tradeNames":[],"registration":{"secApproved":"16 May 2013","noticeFilings":null,"latestNoticeFiling":null},"wealthAumPerClient":null,"staff":{"employees":13,"advisory":7,"brokerDealerReps":0,"insuranceAgents":0,"promoters":0},"aum":{"regulatory":1293066687,"discretionary":1293066687,"discretionaryAccounts":6,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":null,"nonUsClientsPct":50,"nonAumClients":0},"clientTypes":[{"label":"Pooled investment vehicles","clients":2,"regulatoryAum":685131514},{"label":"Other investment advisers","clients":4,"fewerThan5":true,"regulatoryAum":607935173}],"feePrograms":[],"brochureCoverage":{"scope":"known_documents","status":"not_processed","checkedAt":null,"documents":[]},"custodians":[{"name":"Morgan Stanley & Co. 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They include 4 other investment advisers and 2 pooled investment vehicles.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 18 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Sio Capital Management offer?","answer":"Sio Capital Management provides portfolio management for pooled vehicles and portfolio management for institutions.","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 Sio Capital Management use?","answer":"Sio Capital Management’s separately managed account assets are held at Morgan Stanley & Co. LLC (New York, NY), with $536M and BNP Paribas Securities Corp. (New York, NY), with $61.1M. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 18 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Sio Capital Management have?","answer":"Sio Capital Management has 0 investment adviser representatives registered with state securities authorities, out of 13 employees, and 7 perform investment advisory functions. None are registered representatives of a broker-dealer or 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 Sio Capital Management invest in?","answer":"At the end of its last fiscal year, Sio Capital Management’s separately managed accounts held 98% exchange-traded equities, 1% non-exchange-traded equities and 1% derivatives. It advises 2 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 Sio Capital Management?","answer":"Sio Capital Management’s direct owner is Michael Castor (75% or more).","source":"Form ADV Part 1A, Schedules A and B, filed 18 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Sio Capital Management get paid?","answer":"Sio Capital Management is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions 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"}},{"question":"How do I contact Sio Capital Management?","answer":"Sio Capital Management’s main office is at 600 Third Avenue, 2nd Floor, New York, NY 10016. Its phone number is 212-601-9792. 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Facts as filed; not a rating, ranking, or recommendation. Niva 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."}