7 institutions reported holding $155.2M of HOWMET AEROSPACE INC (HWM-P) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($77.9M), HRT FINANCIAL LP ($23.8M), RH Tailwind Management, LLC ($21.5M), GROUP ONE TRADING LLC ($19.9M), SIMPLEX TRADING, LLC ($11.9M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $77.9M | 289,700 | Trimmed |
| 2 | HRT FINANCIAL LP | $23.8M | 88,700 | Trimmed |
| 3 | RH Tailwind Management, LLC | $21.5M | 80,000 | Trimmed |
| 4 | GROUP ONE TRADING LLC | $19.9M | 74,100 | Trimmed |
| 5 | SIMPLEX TRADING, LLC | $11.9M | 44,200 | Trimmed |
| 6 | SG Americas Securities, LLC | $136,000 | 3,000 | New |
| 7 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30