What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001534300
Total reported value
$242.5M
$242.5M
13 檔
476.3%
During the Q1 2026 filing period, One William Street Capital Management, L.P. (CIK: 0001534300) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $242.5M across 13 reported positions.
In Q1 2026, One William Street Capital Management, L.P. displayed an active expansion posture, initiating 8 new positions and adding to 3 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | HYG | Ishr Ibx Usd Hiyld Cb Etf-ui | ETF-High Yield | 89.85% | -10.70% | +53.52% | |
| 2 | BKLN | Invesco Senior Loan ETF | ETF-Other | 4.72% | +1.76% | — | |
| 3 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.79% | -1.79% | EXIT | |
| 4 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 0.89% | +2.52% | +41.67% | |
| 5 | TRTX | Tpg Re Finance Trust Inc | Stock-Other | 0.71% | +2.98% | +124.34% | |
| 6 | VCIT | Vanguard Int-term Corporate | ETF-Corp Bonds | 0.50% | +1.94% | — | |
| 7 | FLG | Flagstar Bank NA | Stock-Financials | 0.45% | +0.51% | — | |
| 8 | CUZ | Cousins Properties Inc | Stock-Real Estate | 0.38% | -0.13% | — | |
| 9 | RKT | Rocket Cos Inc-class A | Stock-Financials | 0.19% | +0.06% | — | |
| 10 | ARI | Apollo Commercial Real Estat | Stock-Other | 0.18% | +0.70% | — | |
| 11 | STWD | Starwood Property Trust Inc | Stock-Real Estate | 0.17% | +0.60% | — | |
| 12 | BXMT | Blackstone Mortgage Tru-cl A | Stock-Real Estate | 0.16% | +0.54% | — | |
| 13 | NFE | New Fortress Energy Inc | Stock-Other | — | +0.01% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | TRTX | Tpg Re Finance Trust Inc | +0.2% | +124.34% | Add |
| 2 | NFE | New Fortress Energy Inc | 0% | — | Unchanged |
| 3 | IWM | Ishares Russell 2000 ETF | -0.1% | +41.67% | Add |
| 4 | FLG | Flagstar Bank NA | -0.2% | — | Unchanged |
| 5 | HYG | Ishr Ibx Usd Hiyld Cb Etf-ui | -4% | +53.52% | Add |
| 6 | BKLN | Invesco Senior Loan ETF | — | NEW | New buy |
| 7 | RSP | Invesco S&p 500 Equal Weight | — | EXIT | Sold out |
| 8 | SPY | Ss Spdr S&p 500 ETF Trust-us | — | NEW | New buy |
| 9 | VCIT | Vanguard Int-term Corporate | — | NEW | New buy |
| 10 | CUZ | Cousins Properties Inc | — | NEW | New buy |
| 11 | RKT | Rocket Cos Inc-class A | — | NEW | New buy |
| 12 | ARI | Apollo Commercial Real Estat | — | NEW | New buy |
| 13 | STWD | Starwood Property Trust Inc | — | NEW | New buy |
| 14 | BXMT | Blackstone Mortgage Tru-cl A | — | NEW | New buy |
| 15 | GSBD | Goldman Sachs Bdc Inc | — | EXIT | Sold out |
According to official SEC Form 13F filings, One William Street Capital Management, L.P. reported a total U.S. public equity portfolio value of $242.5M across 13 disclosed positions in Q1 2026.
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Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including HYG, BKLN, SPY) accounted for 476.3% of total reported equity market value during Q1 2026.
Top New Position Initiated
BKLN
市值: $55.6M
Top Position Liquidated / Trimmed
RSP
前期市值: $28.7M
During Q1 2026, One William Street Capital Management, L.P.'s top holdings by market value included HYG (89.8%)、BKLN (4.7%)、SPY (1.8%). The largest single position, HYG, represented 89.8% of total portfolio value.
In Q1 2026, One William Street Capital Management, L.P. made 13 total portfolio adjustments, initiating 8 new buys, adding to 3 positions, trimming 0 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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