AMTM fund manager activity
Amentum Holdings, Inc · NYSE. Reported by 4 tracked fund managers in their 13F filings, Q3 2024 to Q2 2026.
Q2 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Jeremy Grantham - GMO | New | 21,601 | $446,493 | 0.00% | Aug 13, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 156,113 | $3,226,856 | 0.01% | Aug 14, 2026 |
| Lee Ainslie - Maverick Capital | Sold out | — | — | 0.00% | Aug 14, 2026 |
| Ruane Cunniff LP | Trimmed | 537,213 | $11,104,193 | 0.17% | Aug 14, 2026 |
Q1 2026
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| Jeremy Grantham - GMO | Sold out | — | — | 0.00% | May 14, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 521,041 | $13,588,749 | 0.04% | May 15, 2026 |
| Lee Ainslie - Maverick Capital | New | 46,335 | $1,208,417 | 0.01% | May 15, 2026 |
| Ruane Cunniff LP | Trimmed | 1,622,982 | $42,327,370 | 0.70% | May 15, 2026 |
Older quarters