Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

One William Street Capital Management, L.P. 13F Holdings -- Portfolio & Top Positions (2026-03-31)

One William Street Capital Management, L.P. (CIK 1534300) reported $1.18B across 9 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: HYG ($1.06B, 89.85%), BKLN ($55.6M, 4.72%), SPY ($21.1M, 1.79%), IWM ($10.5M, 0.89%), TRTX ($8.4M, 0.71%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1HYGISHARES TR$1.06B89.85%13.3MAdded
2BKLNINVESCO EXCH TRADED FD TR II$55.6M4.72%2.7MNew
3SPYSTATE STR SPDR S&P 500 ETF T$21.1M1.79%32,500New
4IWMISHARES TR$10.5M0.89%42,500Added
5TRTXTPG RE FIN TR INC$8.4M0.71%1.1MAdded
6VCITVANGUARD SCOTTSDALE FDS$5.9M0.50%71,700New
7NYCBFLAGSTAR BANK NATIONAL ASSOC$5.3M0.45%400,000Hold
8CUZCOUSINS PPTYS INC$4.5M0.38%200,500New
9RKTROCKET COS INC$2.3M0.19%158,337New
10ARIAPOLLO COML REAL ESTATE FIN$2.1M0.18%200,000New
11STWDSTARWOOD PPTY TR INC$2.0M0.17%114,000New
12BXMTBLACKSTONE MORTGAGE TRUST IN$1.9M0.16%100,000New
13GSBDGOLDMAN SACHS BDC INC$00.00%0Exited
14RSPINVESCO EXCHANGE TRADED FD T$00.00%0Exited
15NFENEW FORTRESS ENERGY INC$25,1130.00%42,564Hold

Source: SEC Form 13F filings · as of 2026-03-31