2 institutions reported holding $1.7M of ARDAGH METAL PACKAGING S A (AMPWF) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($1.2M), GROUP ONE TRADING LLC ($580,650). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $1.2M | 243,700 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $580,650 | 122,500 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30