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NYSE · AMTM
The price of Amentum Holdings, Inc. (AMTM) on October 23, 2026 is 21.56 USD, +1.27 % on the day. Over 52 weeks the stock traded between 17.72 USD and 38.11 USD; the price now sits 7 % of the way up that range. Over the past year the price changed by −17.18 %. Market capitalization is 5.26 billion USD, rank 27 among 69 stocks of the same industry with a known capitalization.
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Next earnings report: none scheduled in the next five weeks · Earnings calendar
Amentum Holdings, Inc. trades on NYSE under the ticker AMTM. The trading history on this page starts on 24 September 2024.
Over the past 52 weeks AMTM has traded between 17.72 $ and 38.11 $. As of 23 October 2026 the price stood 6.72 % of the way from the 52-week low to the high.
Over one year AMTM shares fell 17.18 %; over six months they fell 30.58 %. Volatility over 90 days is 42.22 %. Dividends are not included: this is price change only, as of 23 October 2026.
AMTM trades at a price-to-earnings ratio of 35.6. Price to sales is 0.4. Price to book is 1.1. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Day volume, shares |
|---|---|---|---|---|---|
| 23 October 2026 | 21.02 | 21.78 | 20.69 | 21.56 | 2M |
| 22 October 2026 | 20.09 | 21.35 | 20.04 | 21.29 | 2M |
| 21 October 2026 | 19.97 | 20.38 | 19.82 | 20.15 | 2M |
| 20 October 2026 | 19.46 | 19.94 |
The series is stated in the current share scale after splits; dividends are not included in the price
Based on the last 12 months of reports, through 31 March 2026
Amentum Holdings, Inc. (AMTM) is a public company. Its common stock trade on NYSE.
Over the trailing twelve months as reported to 2026-03-31, revenue was 14.2bn $, net income was 148.0m $. Incorporated in US.
This summary is compiled automatically from SEC filings and exchange data.
Address:4800 WESTFIELDS BOULEVARD SUITE 400, CHANTILLY, VA, 20151, US
Amentum Holdings, Inc. reported revenue of 14.2B $ and net income of 148M $ over the last four quarters. Net margin is 1.04 %. Revenue changed by +26.11 % year over year. Earnings per share are 0.60 $. Market capitalisation is 5.3B $.
AMTM has a return on equity of 3.21 %. Return on assets is 1.32 %. Operating margin is 3.71 %.
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| 19.27 |
| 19.87 |
| 1M |
| 19 October 2026 | 19.43 | 19.60 | 19.27 | 19.48 | 1M |
| 16 October 2026 | 19.16 | 19.59 | 18.97 | 19.52 | 2M |
| 15 October 2026 | 18.23 | 19.14 | 18.23 | 19.09 | 1M |
| 14 October 2026 | 18.33 | 18.67 | 18.00 | 18.13 | 1M |
| 13 October 2026 | 18.97 | 18.97 | 18.47 | 18.52 | 1M |
| 12 October 2026 | 19.40 | 19.47 | 18.91 | 18.92 | 2M |
| 9 October 2026 | 19.06 | 19.40 | 18.96 | 19.29 | 1M |
| 8 October 2026 | 18.37 | 18.97 | 18.10 | 18.97 | 3M |
| 7 October 2026 | 18.59 | 18.70 | 18.09 | 18.51 | 2M |
| 6 October 2026 | 18.41 | 18.93 | 18.31 | 18.77 | 2M |
| 5 October 2026 | 18.12 | 18.63 | 18.02 | 18.24 | 2M |
| 2 October 2026 | 18.59 | 18.59 | 17.72 | 18.14 | 2M |
| 1 October 2026 | 18.22 | 18.76 | 18.08 | 18.48 | 2M |
| 30 September 2026 | 18.24 | 18.41 | 18.06 | 18.12 | 2M |
| 29 September 2026 | 18.48 | 18.58 | 17.89 | 18.15 | 3M |
| 28 September 2026 | 19.00 | 19.04 | 18.48 | 18.49 | 1M |