8 institutions reported holding $66.3M of SABLE OFFSHORE CORP (SOC.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($34.4M), SIMPLEX TRADING, LLC ($16.0M), IMC-Chicago, LLC ($13.2M), HRT FINANCIAL LP ($2.8M), Aristides Capital LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $34.4M | 2.1M | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $16.0M | 966,500 | Trimmed |
| 3 | IMC-Chicago, LLC | $13.2M | 799,000 | Trimmed |
| 4 | HRT FINANCIAL LP | $2.8M | 166,700 | Trimmed |
| 5 | Aristides Capital LLC | $0 | 0 | Exited |
| 6 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
| 7 | SUMMIT SECURITIES GROUP LLC | $0 | 0 | Exited |
| 8 | Thomist Capital Management, LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31