13F GuideFiling Basics
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.
AlphaSMO Research GuideRead Guide
CIK: 0001534300
Total reported value
$242.5M
$242.5M
7 檔
307.1%
At the close of Q4 2025, One William Street Capital Management, L.P. disclosed equity holdings valued at approximately $242.5M, spread across 7 reported holdings.
In Q4 2025, One William Street Capital Management, L.P. displayed an active expansion posture, initiating 3 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 | 93.82% | -10.70% | +158.93% | |
| 2 | RSP | Invesco S&p 500 Equal Weight | ETF-Large Cap & Growth | 3.85% | — | — | |
| 3 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 0.99% | +2.52% | — | |
| 4 | FLG | Flagstar Bank NA | Stock-Financials | 0.68% | +0.51% | +95.12% | |
| 5 | TRTX | Tpg Re Finance Trust Inc | Stock-Other | 0.55% | +2.98% | +13.38% | |
| 6 | GSBD | Goldman Sachs Bdc Inc | Stock-Other | 0.10% | — | — | |
| 7 | NFE | New Fortress Energy Inc | Stock-Other | 0.01% | +0.01% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NFE | New Fortress Energy Inc | 0% | — | Unchanged |
| 2 | FLG | Flagstar Bank NA | -0.1% | +95.12% | Add |
| 3 | TRTX | Tpg Re Finance Trust Inc | -0.7% | +13.38% | Add |
| 4 | HYG | Ishr Ibx Usd Hiyld Cb Etf-ui | -0.8% | +158.93% | Add |
| 5 | RSP | Invesco S&p 500 Equal Weight | — | NEW | New buy |
| 6 | IWM | Ishares Russell 2000 ETF | — | NEW | New buy |
| 7 | VCIT | Vanguard Int-term Corporate | — | EXIT | Sold out |
| 8 | ✓ | Realogy Hldgs CORP Com | — | EXIT | Sold out |
| 9 | GSBD | Goldman Sachs Bdc Inc | — | NEW | New buy |
| 10 | ADAM | Adamas Trust 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 7 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
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, RSP, IWM) accounted for 307.1% of total reported equity market value during Q4 2025.
Top New Position Initiated
RSP
市值: $28.7M
Top Position Liquidated / Trimmed
VCIT
前期市值: $6.0M
During Q4 2025, One William Street Capital Management, L.P.'s top holdings by market value included HYG (93.8%)、RSP (3.9%)、IWM (1.0%). The largest single position, HYG, represented 93.8% of total portfolio value.
In Q4 2025, One William Street Capital Management, L.P. made 9 total portfolio adjustments, initiating 3 new buys, adding to 3 positions, trimming 0 holdings, and fully liquidating 3 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.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.