Amentum Holdings shares owned by Brian McDonald
Quarter-by-quarter ownership of Amentum Holdings (AMTM) shares owned by Brian McDonald
from 13F filings
Historical chart of Brian McDonald investment in Amentum Holdings
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Quarterly reported holdings in Amentum Holdings by Brian McDonald
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $7.5M | 313k | 23.95 |
| 2025-06-30 | $8.5M | 362k | 23.61 |
| 2025-03-31 | $4.5M | 249k | 18.20 |
| 2024-12-31 | $1.0M | 49k | 21.03 |