Key facts
- One William Street Capital Management is a hedge fund based in New York, United States.
- One William Street Capital Management has 3 funds on record, raising $2.8B across the 3 that report a size.
- The team roster lists 11 people.
- One William Street Capital Management reports $7.5B in regulatory assets under management across 8 private funds, per its SEC Form ADV (2026-03).
About One William Street Capital Management
+1 (212) 957-2500
Registered with the SEC
Form ADV · 2026-03 · CRD 150522- Regulatory AUM
- $7.5B
- Private fund assets
- $11.3B
- Private funds
- 8 · 2 private equity, 6 hedge
- Staff
- 124
- Registered office
- NEW YORK, NY
- SEC status
- Approved
Reports custody of client assets.
Source: SEC Investment Adviser Public Disclosure, Form ADV (registered as ONE WILLIAM STREET CAPITAL MANAGEMENT, LP.).
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Portfolio
Portfolio — not yet on record
No portfolio companies for One William Street Capital Management are on record yet. Positions surface from round participations, filings, and coverage.
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Funds
3 recorded- One William Street Capital Offshore Fund, Ltd.2010$1.4B
- One William Street Capital Partners II, L.P.2010$211.7M
- One William Street Capital Partners, L.P.2010$1.2B
$2.8B raised across the 3 funds that report a size
Team
11 people on record — 11 with verified contacts
Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.