One William Street Capital Management, L.P.
13F Reported Value
ⓘ$1.2B
incl. option notional
Equity Holdings
ⓘ$52.0M
Option Notional
ⓘ$1.1B
$1.0B puts / $80.6M calls
Holdings
16
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
One William Street Capital Management, L.P. disclosed 16 positions worth $1.2B in its Form 13F-HR for Q1 2026 — $52.0M in common stock plus $1.1B of put/call option positions (reported at underlying notional value, not premium at risk), followed by $IVZ. During the quarter the fund opened 10 new positions and exited 2 — including a new stake in $IVZ. The portfolio is most concentrated in Financials (42.9% of disclosed assets). All figures are sourced directly from One William Street Capital Management, L.P.’s Form 13F-HR filing with the SEC under CIK 1534300.
AI Fund Analysis
StableSector Allocation
AUM History
Top Equity Holdings by Value
Option Positions
13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.
Quarterly Activity — Q1 2026
Click any card to unlockTop Holdings
ISHARES TR PUT
—Quality
$1.0B12,815,900 sh- —
Quality
$40.8M2,000,000 sh ISHARES TR CALL
—Quality
$39.8M500,000 sh- —
Quality
$16.3M25,000 sh - —
Quality
$14.8M725,000 sh ISHARES TR PUT
—Quality
$10.5M42,500 sh- —
Quality
$8.4M1,070,000 sh VANGUARD SCOTTSDALE FDS
—Quality
$5.9M71,700 sh- $5.3M400,000 sh
- —
Quality
$4.9M7,500 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| ISHARES TR PUT | — | $1.0B | 12,815,900 |
| — | $40.8M | 2,000,000 | |
| ISHARES TR CALL | — | $39.8M | 500,000 |
| — | $16.3M | 25,000 | |
| — | $14.8M | 725,000 | |
| ISHARES TR PUT | — | $10.5M | 42,500 |
| — | $8.4M | 1,070,000 | |
| VANGUARD SCOTTSDALE FDS | — | $5.9M | 71,700 |
| — | $5.3M | 400,000 | |
| — | $4.9M | 7,500 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of One William Street Capital Management, L.P.'s 16 positions.
Showing top 10 of 16 holdings.
Sector Allocation
Financials
$22.3M
Real Estate
$18.9M
Other
$10.8M
Energy
$25,113
Full Holdings — One William Street Capital Management, L.P. (Q1 2026)
All 16 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | — | ISHARES TR | $1.0B | — | +49% | — |
| 2 | Invesco Ltd. | $40.8M | — | NEW | — | |
| 3 | — | ISHARES TR | $39.8M | — | NEW | — |
| 4 | SPDR S&P 500 ETF TRUST | $16.3M | — | NEW | — | |
| 5 | Invesco Ltd. | $14.8M | 28.4% | +383% | — | |
| 6 | — | ISHARES TR | $10.5M | — | +42% | — |
| 7 | TPG RE Finance Trust, Inc. | $8.4M | 16.1% | +124% | — | |
| 8 | — | VANGUARD SCOTTSDALE FDS | $5.9M | 11.4% | NEW | — |
| 9 | FLAGSTAR BANK, NATIONAL ASSOCIATION | $5.3M | 10.1% | +0% | — | |
| 10 | SPDR S&P 500 ETF TRUST | $4.9M | 9.4% | NEW | — | |
| 11 | COUSINS PROPERTIES INC | $4.5M | 8.7% | NEW | 51.1 | |
| 12 | Rocket Companies, Inc. | $2.3M | 4.3% | NEW | — | |
| 13 | Apollo Commercial Real Estate Finance, Inc. | $2.1M | 4.1% | NEW | 53.5 | |
| 14 | STARWOOD PROPERTY TRUST, INC. | $2.0M | 3.8% | NEW | 54.6 | |
| 15 | BLACKSTONE MORTGAGE TRUST, INC. | $1.9M | 3.7% | NEW | — | |
| 16 | New Fortress Energy Inc. | $25,113 | 0.1% | +0% | 17.3 |
New Positions (10)
Exited Positions (2)
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AI-Powered Hedge Fund Analysis: One William Street Capital Management, L.P.
13F Pro is an AI hedge fund tracker and stock research platform. For One William Street Capital Management, L.P. (SEC CIK: 1534300), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.
Every holding in One William Street Capital Management, L.P.'s portfolio is scored on a 32-signal AI quality ranking (ROIC, FCF margin, revenue growth, institutional flow, earnings quality, shareholder dilution, and more). Track accumulation and distribution quarter over quarter, identify conviction positions, and see AI stock analysis for each position — alongside 8,700+ other institutional filers and 2,800+ AI-ranked companies.