5 institutions reported holding $5.4M of HIGHPEAK ENERGY INC (HPKER) in SEC 13F filings for 2026-06-30. Largest institutional holders: RIPOSTE CAPITAL LLC ($5.2M), IMC-Chicago, LLC ($102,753), GROUP ONE TRADING LLC ($53,823), SIMPLEX TRADING, LLC ($44,736), Waterloo Capital, L.P. ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RIPOSTE CAPITAL LLC | $5.2M | 750,000 | Trimmed |
| 2 | IMC-Chicago, LLC | $102,753 | 14,700 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $53,823 | 7,700 | Trimmed |
| 4 | SIMPLEX TRADING, LLC | $44,736 | 6,400 | Trimmed |
| 5 | Waterloo Capital, L.P. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30