{"url":"https://nivawealth.com/firms/one-william-street-capital-management-150522","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/150522","regulatoryAum":11302484622,"crd":"150522","secFileNumber":"801-70264","legalName":"One William Street Capital Management, LP.","displayName":"One William Street Capital Management","website":"http://www.onewilliamstreet.com","linkedinUrl":"https://www.linkedin.com/company/one-william-street-capital","founded":null,"organization":"Delaware limited partnership","fiscalYearEnd":"December","headquarters":{"street":"299 Park Avenue, 25th Floor","city":"New York","state":"NY","stateName":"New York","country":"United States","postalCode":"10171"},"tradeNames":[],"registration":{"secApproved":"22 June 2009","noticeFilings":null,"latestNoticeFiling":null},"staff":{"employees":124,"advisory":62,"brokerDealerReps":0,"insuranceAgents":0,"promoters":0},"aum":{"discretionary":11302484622,"discretionaryAccounts":22,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":null,"nonUsClientsPct":73,"nonAumClients":0},"clientTypes":[{"label":"Pooled investment vehicles","clients":21,"regulatoryAum":11300174677},{"label":"Pension and profit-sharing plans","clients":null,"regulatoryAum":2309945}],"fees":[],"feeNotes":[],"custodians":[{"name":"J.P. Morgan Securities LLC","shortName":"J.P. Morgan","location":"New York, NY","smaAssets":2309945}],"custodyNote":"One William Street Capital Management has custody of $11.30B for 21 clients.","otherCustodians":[],"leadership":[{"name":"David Sherr","title":"Limited Partner/Chief Executive Officer/Chief Investment Officer","crd":"2042211"},{"name":"Kurt Locher","title":"Limited Partner/Co-President","crd":"1918968"},{"name":"Joshua Simons","title":"Limited Partner/Co-President/Executive Officer","crd":"4303192"},{"name":"Crystal Frumberg","title":"Chief Financial Officer","crd":"8190613"},{"name":"Arthur Damoulakis","title":"Chief Compliance Officer","crd":"8142184"},{"name":"Christopher Epes","title":"Chief Legal Officer","crd":"4743724"},{"name":"Frank Prezioso","title":"Limited Partner/Deputy Chief Investment Officer","crd":"2266352"},{"name":"Matthew Ziffer","title":"Limited Partner/Executive Officer","crd":"3169778"}],"ownership":[{"label":"David Sherr","detail":"Limited partner/chief executive officer/chief investment officer in the 50% to 75% ownership band and a control person, since April 2008. Also a managing member/owner of One William Street Capital Holdings, LLC in the 75% or more band and a control person, since April 2008. Also co-trustee of Holly A. Sherr 2012 Descendants' Trust and a control person, since December 2012."},{"label":"Matthew Ziffer","detail":"Limited partner/executive officer in the 5% to 10% ownership band and a control person, since April 2008."},{"label":"Sherr Family Investments, LLC","detail":"Limited partner in the 5% to 10% ownership band, since December 2012."},{"label":"Joshua Simons","detail":"Limited partner/co-president/executive officer in the 5% to 10% ownership band and a control person, since January 2015."},{"label":"David N. Sherr 2012 Descendants' Trust","detail":"Indirect owner: a member of Sherr Family Investments, LLC in the 50% to 75% band and a control person, since December 2012.","parent":"Sherr Family Investments, LLC"},{"label":"Holly Sherr","detail":"Indirect owner: co-trustee of David N. Sherr 2012 Descendants' Trust and a control person, since December 2012.","parent":"David N. Sherr 2012 Descendants' Trust"},{"label":"Kurt Locher","detail":"Indirect owner: co-trustee of David N. Sherr 2012 Descendants' Trust and a control person, since December 2012. Also co-trustee of Holly A. Sherr 2012 Descendants' Trust and a control person, since December 2012. Also manager of Sherr Family Investments IV LLC and a control person, since November 2021.","parent":"David N. Sherr 2012 Descendants' Trust"},{"label":"Holly A. Sherr 2012 Descendants' Trust","detail":"Indirect owner: a member of Sherr Family Investments, LLC in the 25% to 50% band and a control person, since December 2012.","parent":"Sherr Family Investments, LLC"},{"label":"Sherr Family Investments IV LLC","detail":"Indirect owner: a member of Holly A. Sherr 2012 Descendants' Trust in the 50% to 75% band and a control person, since November 2021.","parent":"Holly A. Sherr 2012 Descendants' Trust"},{"label":"Commonwealth Trust Company","detail":"Indirect owner: co-trustee of David N. Sherr 2012 Descendants' Trust and a control person, since December 2012. Also co-trustee of Holly A. Sherr 2012 Descendants' Trust and a control person, since December 2012.","parent":"David N. Sherr 2012 Descendants' Trust"}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":0,"privateResidences":0},"listedOfficeAddresses":1,"officesByState":[{"state":"New York","offices":1,"addresses":[{"street":"299 Park Avenue, 25th Floor","city":"New York","headquarters":true}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"212-957-2500","stateRegisteredReps":0,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Performance-based fees"],"activities":["Portfolio management for pooled investment vehicles (other than investment companies)","Portfolio management for businesses (other than small businesses) or institutional clients"],"financialPlanningClients":null,"assetMix":[{"label":"Cash and cash equivalents","percent":100}],"privateFunds":8},"sources":{"adv1FilingDate":"31 March 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/150522/PDF/150522.pdf","brochureDate":null,"brochureUrl":null,"iapdCompiledDate":null,"retrievedDate":"15 October 2026","retrievedOn":"2026-10-15","adv1Pages":{},"brochurePages":{}},"otherBusiness":[],"faq":[{"question":"How many clients does One William Street Capital Management have?","answer":"One William Street Capital Management has 21 clients and manages $11.3 billion for them, as of March 2026.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does One William Street Capital Management offer?","answer":"One William Street 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 One William Street Capital Management use?","answer":"One William Street Capital Management’s separately managed account assets are held at J.P. Morgan Securities LLC (New York, NY), with $2,309,945. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 31 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does One William Street Capital Management have?","answer":"One William Street Capital Management has 0 investment adviser representatives registered with state securities authorities, out of 124 employees, and 62 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 One William Street Capital Management invest in?","answer":"At the end of its last fiscal year, One William Street Capital Management’s separately managed accounts held 100% cash and equivalents. It advises 8 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 One William Street Capital Management?","answer":"One William Street Capital Management is owned through a chain of holding companies by Sherr Family Investments IV LLC. Its direct owners are David Sherr (50% to 75%), Matthew Ziffer (5% to 10%), Sherr Family Investments, LLC (5% to 10%) and Joshua Simons (5% to 10%).","source":"Form ADV Part 1A, Schedules A and B, filed 31 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does One William Street Capital Management get paid?","answer":"One William Street 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"}}],"holdings":{"url":"https://nivawealth.com/firms/one-william-street-capital-management-150522/holdings","form":"13F-HR","periodOfReport":"2026-06-30","filedOn":"2026-08-14","filingIndexUrl":"https://www.sec.gov/Archives/edgar/data/1534300/000117266126003504/0001172661-26-003504-index.html","totalValue":242488349,"positionCount":15,"top10Share":0.9848144951492082,"top10":[{"issuer":"ISHARES TR","titleOfClass":"IBOXX HI YD ETF","cusip":"464288513","value":119955000,"shares":1500000,"shareType":"SH","putCall":"Put","priorValue":1019633004,"priorShares":12815900},{"issuer":"ISHARES TR","titleOfClass":"IBOXX HI YD ETF","cusip":"464288513","value":71973000,"shares":900000,"shareType":"SH","putCall":"Call","priorValue":39780000,"priorShares":500000},{"issuer":"INVESCO EXCH TRADED FD TR II","titleOfClass":"SR LN ETF","cusip":"46138G508","value":15704801,"shares":770977,"shareType":"SH","priorValue":14797250,"priorShares":725000},{"issuer":"TPG RE FIN TR INC","titleOfClass":"COM","cusip":"87266M107","value":8955900,"shares":1070000,"shareType":"SH","priorValue":8356700,"priorShares":1070000},{"issuer":"ISHARES TR","titleOfClass":"RUSSELL 2000 ETF","cusip":"464287655","value":8262375,"shares":27500,"shareType":"SH","putCall":"Put","priorValue":10540000,"priorShares":42500},{"issuer":"VANGUARD SCOTTSDALE FDS","titleOfClass":"INT-TERM CORP","cusip":"92206C870","value":5926005,"shares":71700,"shareType":"SH","priorValue":5933175,"priorShares":71700},{"issuer":"FLAGSTAR BANK NATIONAL ASSOC","titleOfClass":"COM NEW","cusip":"649445400","value":2330640,"shares":156000,"shareType":"SH","priorValue":5268000,"priorShares":400000},{"issuer":"APOLLO COML REAL ESTATE FIN","titleOfClass":"COM","cusip":"03762U105","value":2136000,"shares":200000,"shareType":"SH","priorValue":2112000,"priorShares":200000},{"issuer":"STARWOOD PPTY TR INC","titleOfClass":"COM","cusip":"85571B105","value":1867320,"shares":114000,"shareType":"SH","priorValue":1963080,"priorShares":114000},{"issuer":"BLACKSTONE MORTGAGE TRUST IN","titleOfClass":"COM CL A","cusip":"09257W100","value":1695000,"shares":100000,"shareType":"SH","priorValue":1915000,"priorShares":100000}],"positionsListed":15,"positions":[{"issuer":"ISHARES TR","titleOfClass":"IBOXX HI YD ETF","cusip":"464288513","value":119955000,"shares":1500000,"shareType":"SH","putCall":"Put","priorValue":1019633004,"priorShares":12815900},{"issuer":"ISHARES TR","titleOfClass":"IBOXX HI YD ETF","cusip":"464288513","value":71973000,"shares":900000,"shareType":"SH","putCall":"Call","priorValue":39780000,"priorShares":500000},{"issuer":"INVESCO EXCH TRADED FD TR II","titleOfClass":"SR LN ETF","cusip":"46138G508","value":15704801,"shares":770977,"shareType":"SH","priorValue":14797250,"priorShares":725000},{"issuer":"TPG RE FIN TR INC","titleOfClass":"COM","cusip":"87266M107","value":8955900,"shares":1070000,"shareType":"SH","priorValue":8356700,"priorShares":1070000},{"issuer":"ISHARES TR","titleOfClass":"RUSSELL 2000 ETF","cusip":"464287655","value":8262375,"shares":27500,"shareType":"SH","putCall":"Put","priorValue":10540000,"priorShares":42500},{"issuer":"VANGUARD SCOTTSDALE FDS","titleOfClass":"INT-TERM CORP","cusip":"92206C870","value":5926005,"shares":71700,"shareType":"SH","priorValue":5933175,"priorShares":71700},{"issuer":"FLAGSTAR BANK NATIONAL ASSOC","titleOfClass":"COM NEW","cusip":"649445400","value":2330640,"shares":156000,"shareType":"SH","priorValue":5268000,"priorShares":400000},{"issuer":"APOLLO COML REAL ESTATE FIN","titleOfClass":"COM","cusip":"03762U105","value":2136000,"shares":200000,"shareType":"SH","priorValue":2112000,"priorShares":200000},{"issuer":"STARWOOD PPTY TR INC","titleOfClass":"COM","cusip":"85571B105","value":1867320,"shares":114000,"shareType":"SH","priorValue":1963080,"priorShares":114000},{"issuer":"BLACKSTONE MORTGAGE TRUST IN","titleOfClass":"COM CL A","cusip":"09257W100","value":1695000,"shares":100000,"shareType":"SH","priorValue":1915000,"priorShares":100000},{"issuer":"KKR REAL ESTATE FIN TR INC","titleOfClass":"COM","cusip":"48251K100","value":1381680,"shares":202000,"shareType":"SH"},{"issuer":"SERVICE PPTYS TR","titleOfClass":"COM SH BEN INT","cusip":"81761L102","value":1064700,"shares":630000,"shareType":"SH"},{"issuer":"COUSINS PPTYS INC","titleOfClass":"COM NEW","cusip":"222795502","value":617138,"shares":20585,"shareType":"SH","priorValue":4525285,"priorShares":200500},{"issuer":"ROCKET COS INC","titleOfClass":"COM CL A","cusip":"77311W101","value":603335,"shares":38307,"shareType":"SH","priorValue":2256302,"priorShares":158337},{"issuer":"NEW FORTRESS ENERGY INC","titleOfClass":"COM CL A","cusip":"644393100","value":15455,"shares":42564,"shareType":"SH","priorValue":25113,"priorShares":42564}]},"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."}