AMTM · NYSE
Amentum Holdings (AMTM) Stock Price & Fundamentals
Amentum Holdings (AMTM) closed at $664.44 on Oct 9, 2026, down 0.37% from the previous close of $666.89.
Share price, past year
1Y +40.80%Monthly closing prices
| Date | Close |
|---|---|
| Oct 9, 2026 | $664.44 |
| Sep 30, 2026 | $654.23 |
| Aug 31, 2026 | $608.19 |
| Jul 31, 2026 | $605.75 |
| Jun 30, 2026 | $584.10 |
| May 29, 2026 | $561.34 |
| Apr 30, 2026 | $551.23 |
| Mar 31, 2026 | $512.25 |
| Feb 27, 2026 | $500.75 |
| Jan 30, 2026 | $476.09 |
| Dec 31, 2025 | $475.05 |
| Nov 28, 2025 | $470.20 |
| Oct 31, 2025 | $479.24 |
Key statistics
- Market cap
- $162.34B
- P/E (TTM)
- 800.5
- EPS (TTM)
- $0.83
- Revenue (TTM)
- $14.13B
- Net income (TTM)
- $204.00M
- Shares outstanding
- 244.3M
- Dividend yield
- —
- 52-week range
- $465.58 – $669.52
Amentum Holdings's market cap is $162.34B, based on a share price of $664.44 and 244.3M shares outstanding as of Jul 3, 2026.
Financials
Amentum Holdings reported revenue of $14.39B for fiscal 2025, up 71.59% from fiscal 2024.
Amentum Holdings earned net income of $66.00M in fiscal 2025, a net margin of 0.5%.
Annual revenue
| Fiscal year | Revenue | Growth | Net income | Net margin | EPS (diluted) | Free cash flow |
|---|---|---|---|---|---|---|
| FY2025ended Oct 3, 2025 | $14.39B | +71.6% | $66.00M | 0.5% | $0.27 | $516.00M |
| FY2024ended Sep 27, 2024 | $8.39B | +6.7% | −$82.00M | −1.0% | −$0.90 | $36.00M |
| FY2023ended Sep 29, 2023 | $7.87B | +2.5% | −$314.00M | −4.0% | −$3.49 | $55.00M |
| FY2022ended Sep 30, 2022 | $7.68B | — | −$84.00M | −1.1% | −$0.93 | $108.00M |
| Quarter | Revenue | Net income | EPS (diluted) |
|---|---|---|---|
| Q3 FY2026ended Jul 3, 2026 | $3.49B | $66.00M | $0.27 |
| Q2 FY2026ended Apr 3, 2026 | $3.48B | $54.00M | $0.22 |
| Q1 FY2026ended Jan 2, 2026 | $3.24B | $44.00M | $0.18 |
| Q4 FY2025ended Oct 3, 2025 | $3.93B | $40.00M | $0.16 |
| Q3 FY2025ended Jun 27, 2025 | $3.56B | $10.00M | $0.04 |
| Q2 FY2025ended Mar 28, 2025 | $3.49B | $4.00M | $0.02 |
| Q1 FY2025ended Dec 27, 2024 | $3.42B | $12.00M | $0.05 |
| Q4 FY2024ended Sep 27, 2024 | $2.21B | $26.00M | $0.31 |
Company profile
- Name
- Amentum Holdings, Inc.
- Ticker
- AMTM
- Exchange
- NYSE
- Industry (SEC SIC)
- Services-Business Services, NEC
- Headquarters
- 4800 Westfields Boulevard, Suite 400, Chantilly, VA 20151
- Incorporated in
- DE
- Fiscal year ends
- October
- SEC CIK
- 0002011286
Recent SEC filings
- Oct 2, 2026
- Aug 11, 2026
- Aug 10, 2026
- May 12, 2026
- May 11, 2026
- Apr 28, 2026
- Feb 10, 2026
- Feb 10, 2026
Frequently asked questions
What is Amentum Holdings's stock price?
Amentum Holdings (AMTM) closed at $664.44 on Oct 9, 2026, down 0.37% from the previous close of $666.89.
What is Amentum Holdings's market cap?
Amentum Holdings's market cap is $162.34B, based on a share price of $664.44 and 244.3M shares outstanding as of Jul 3, 2026.
How much revenue does Amentum Holdings make?
Amentum Holdings reported revenue of $14.39B for fiscal 2025, up 71.59% from fiscal 2024.
What is AMTM's P/E ratio?
Amentum Holdings's price-to-earnings ratio is 800.5, based on trailing twelve-month diluted EPS of $0.83.
Does Amentum Holdings pay a dividend?
Amentum Holdings's recent filings report no dividends declared over the last four quarters.
Sources and methodology
Fundamentals come from Amentum Holdings, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures