6 institutions reported holding $11.9M of CHORD ENERGY CORPORATION (OASPQ) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($5.1M), IMC-Chicago, LLC ($4.9M), SIMPLEX TRADING, LLC ($1.7M), GROUP ONE TRADING LLC ($228,600), JPMORGAN CHASE & CO ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $5.1M | 44,400 | Trimmed |
| 2 | IMC-Chicago, LLC | $4.9M | 42,900 | Added |
| 3 | SIMPLEX TRADING, LLC | $1.7M | 14,800 | Added |
| 4 | GROUP ONE TRADING LLC | $228,600 | 2,000 | Trimmed |
| 5 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
| 6 | HUNTINGTON NATIONAL BANK | $0 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30