One William Street Capital Management, L.P.
All 13F Filings
- Location
- New York, NY
- Most recent 13F
- Q1 2026
- Holdings value ($000)
- 1,179,061
- Description
- —
- Website
- —
- Founded
- —
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q1 2026 | 5/14/2026 | 16 | 1,179,061 | 13F-HR | One William Street Capital Management, L.P. |
| Q4 2025 | 2/17/2026 | 8 | 745,437 | 13F-HR | One William Street Capital Management, L.P. |
| Q3 2025 | 11/13/2025 | 7 | 287,571 | 13F-HR | One William Street Capital Management, L.P. |
| Q2 2025 | 8/13/2025 | 5 | 54,314 | 13F-HR | One William Street Capital Management, L.P. |
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Money flow by instrument (QoQ, ex-options)
Derivatives reported exposure ($000):
1.127 M
(95.6% of total reported value)
· QoQ Δ:
+424.3 K
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 26.42 K | 50.8% | 0 | 12.25 K | -12.25 K |
| ETFs | 25.61 K | 49.2% | 21.58 K | 0 | 21.58 K |
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Fund Snapshot
Q1 2026
Latest filed
5/14/2026
Total value ($000)
1,179,061
Holdings
16
QoQ value change ($000)
433,624
(58.2%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.