Position history for FRONTIER CAPITAL MANAGEMENT CO LLC's holdings in AMENTUM HOLDINGS INC
FRONTIER CAPITAL MANAGEMENT CO LLC holds 5.8M shares of AMTM (AMENTUM HOLDINGS INC), worth $167.4M as of 2025-Q4. The position was increased (++11.0% shares). AMTM represents 1.8% of FRONTIER CAPITAL MANAGEMENT CO LLC's portfolio.
Current Value
$167.4M
Current Shares
5.8M
Total Value Change
+$102.3M
Total Shares Change
+2.2M
Other major holders of AMTM: Invesco Ltd., BlackRock, Inc., VANGUARD GROUP INC
Increased |
| 5.8M |
+11.0% |
| $167.4M |
| 1.8% |
| $29.30 |
53 |
| 2025-Q3 | Decreased | 5.2M | -4.7% | $124.6M | 1.1% | $22.82 | 0 |
| 2025-Q2 | Increased | 5.5M | +52.6% | $128.9M | 1.2% | $23.45 | 66 |
| 2025-Q1 | New | 3.6M | - | $65.1M | 0.7% | $18.07 | 58 |