Amentum Holdings, Inc. (AMTM)
NYSE: AMTM · Real-Time Price · USD
21.95
-0.20 (-0.90%)
At close: Nov 13, 2026, 4:00 PM EST
21.65
-0.30 (-1.36%)
After-hours: Nov 13, 2026, 7:30 PM EST
Amentum Holdings Market Cap
Amentum Holdings has a market cap or net worth of $5.37 billion as of November 13, 2026. It is the 3,406th most valuable company in the world and the 1,104th biggest in the United States. Its market cap has decreased by 3.94% in one year.
Market Cap
5.37B
Enterprise Value
8.73B
1-Year Change
-3.94%
Global Rank
Country Rank
#1,104 United States
Category
ChartMarket Cap Chart
Since September 24, 2024, Amentum Holdings's market cap has decreased from $7.18B to $5.37B, a decrease of -25.25%. That is a compound annual growth rate of -12.73%.
| Date | Market Cap | % Change |
|---|---|---|
| Nov 13, 2026 | 5.37B | -24.06% |
| Dec 31, 2025 | 7.07B | 38.13% |
| Dec 31, 2024 | 5.12B | -28.73% |
| Sep 24, 2024 | 7.18B | - |
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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