3 institutions reported holding $3.4M of KINETIK HOLDINGS INC (ALTMW) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($2.0M), GROUP ONE TRADING LLC ($1.4M), IMC-Chicago, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $2.0M | 41,000 | Added |
| 2 | GROUP ONE TRADING LLC | $1.4M | 28,400 | Added |
| 3 | IMC-Chicago, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30