Amentum Inc.
AMTM | NYSE
$21.87
-$0.20 (-0.91%)
At close: Oct 30, 2026, 4:00 PM ET
$21.87
$0.00 (0.00%)
Pre-market:
Nov 2, 2026, 8:41 AM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Oct 30, 2026 | $5.34B | -$1.89B | -26.14% |
| Dec 26, 2025 | $7.22B | $2.25B | +45.17% |
| Dec 27, 2024 | $4.98B | n/a | n/a |
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