8 institutions reported holding $149.6M of KINDER MORGAN INC DEL CALL (KMI-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($63.0M), JPMORGAN CHASE & CO ($27.5M), SIMPLEX TRADING, LLC ($18.9M), Optiver Holding B.V. ($17.3M), GROUP ONE TRADING LLC ($17.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $63.0M | 2.0M | Added |
| 2 | JPMORGAN CHASE & CO | $27.5M | 850,700 | Added |
| 3 | SIMPLEX TRADING, LLC | $18.9M | 590,900 | Trimmed |
| 4 | Optiver Holding B.V. | $17.3M | 541,500 | Trimmed |
| 5 | GROUP ONE TRADING LLC | $17.0M | 532,900 | Added |
| 6 | SG Americas Securities, LLC | $3.3M | 1.5M | Added |
| 7 | Maven Securities LTD | $2.7M | 83,500 | Trimmed |
| 8 | HRT FINANCIAL LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30