One William Street Capital Management, L.P.
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), One William Street Capital Management, L.P. reported 12 stock positions worth $42.3 million. Its top holding was Invesco Senior Loan ETF (BKLN) at 37.1% of the portfolio, followed by TPG Re Finance Trust (TRTX, 21.2%) and Vanguard Int-Term Corporate (VCIT, 14.0%). Compared with Q1 2026, it opened 2 new positions, sold out of 1, added to 1 and reduced 3. The biggest buy was Invesco Senior Loan ETF (BKLN, shares +6%) and the biggest sale an exit from SS SPDR S&P 500 ETF Trust-US (SPY).
- Most Recent 13F
- Q2 2026
- Location
- New York, NY
- CIK
- 0001534300
- Portfolio Value
- $42.3M (Q2 2026)
- SEC Filing
- 0001172661-26-003504 ↗ filed Aug 14, 2026
Holdings Value
Holdings 12 stocks · $42.3M
| BKLN Invesco Senior Loan ETF | 37.13% | 770,977 | $15.7M | Add +6.3% |
| TRTX TPG Re Finance Trust Inc. | 21.17% | 1,070,000 | $9.0M | No change |
| VCIT Vanguard Int-Term Corporate | 14.01% | 71,700 | $5.9M | No change |
| FLG Flagstar Bank NA | 5.51% | 156,000 | $2.3M | Reduce -61.0% |
| ARI Apollo Commercial Real Estat | 5.05% | 200,000 | $2.1M | No change |
| STWD Starwood Property Trust Inc. | 4.41% | 114,000 | $1.9M | No change |
| BXMT Blackstone Mortgage Tru Class A | 4.01% | 100,000 | $1.7M | No change |
| KREF KKR Real Estate Finance Trus | 3.27% | 202,000 | $1.4M | New |
| SVC Service Pptys TR | 2.52% | 630,000 | $1.1M | New |
| CUZ Cousins Properties Inc. | 1.46% | 20,585 | $617K | Reduce -89.7% |
| RKT Rocket Cos Inc. Class A | 1.43% | 38,307 | $603K | Reduce -75.8% |
| NFE New Fortress Energy Inc. | 0.04% | 42,564 | $15K | No change |
Options reported separately and not counted above: HYG puts ($120.0M), HYG calls ($72.0M), IWM puts ($8.3M).
Portfolio Sells Q1 2026 → Q2 2026
Portfolio Buys Q1 2026 → Q2 2026
Options Activity Q1 2026 → Q2 2026
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | put | Reduce -88.3% | 1,500,000 | $120.0M |
| HYG Ishr Ibx Usd Hiyld CB ETF-Ui | call | Add +80.0% | 900,000 | $72.0M |
| BKLN Invesco Senior Loan ETF | call | Sold out | 2,000,000 | $40.8Mbefore exit |
| SPY SS SPDR S&P 500 ETF Trust-US | put | Sold out | 25,000 | $16.3Mbefore exit |
| IWM iShares Russell 2000 ETF | put | Reduce -35.3% | 27,500 | $8.3M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 12 | $42.3M | BKLN, TRTX, VCIT, FLG, ARI |
| Q1 2026 | 11 | $52.0M | BKLN, TRTX, VCIT, FLG, SPY |
| Q4 2025 | 6 | $42.7M | RSP, FLG, TRTX, HYG, GSBD |
| Q3 2025 | 6 | $15.6M | VCIT, TRTX, HOUS, FLG, ADAM |
| Q2 2025 | 4 | $32.7M | HYG, BKLN, HOUS, NFE |
| Q1 2025 | 2 | $1.9M | HOUS, NFE |
| Q4 2024 | 2 | $9.7M | BKLN, NFE |
| Q3 2024 | 1 | $455K | NFE |
| Q2 2024 | 0 | $0 | |
| Q1 2024 | 3 | $66.3M | HYG, LQD, HOUS |