12 institutions reported holding $639.7M of VISTRA CORP PUT (VST.WSA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($332.2M), GROUP ONE TRADING LLC ($181.7M), SIMPLEX TRADING, LLC ($79.2M), JPMORGAN CHASE & CO ($37.9M), HRT FINANCIAL LP ($4.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $332.2M | 2.1M | Added |
| 2 | GROUP ONE TRADING LLC | $181.7M | 1.1M | Added |
| 3 | SIMPLEX TRADING, LLC | $79.2M | 499,200 | Added |
| 4 | JPMORGAN CHASE & CO | $37.9M | 233,500 | Added |
| 5 | HRT FINANCIAL LP | $4.1M | 25,900 | Trimmed |
| 6 | Capital Markets Trading UK LLP | $4.1M | 25,800 | New |
| 7 | SG Americas Securities, LLC | $567,000 | 532,000 | New |
| 8 | OSAIC HOLDINGS, INC. | $5,310 | 4 | Hold |
| 9 | Hurley Capital, LLC | $0 | 0 | Exited |
| 10 | Troluce Capital Advisors LLC | $0 | 0 | Exited |
| 11 | RH Tailwind Management, LLC | $0 | 0 | Exited |
| 12 | NATIONAL BANK OF CANADA /FI/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30