Amentum Holdings, Inc. (AMTM) stock
AMTMNYSEServices-Business Services, NECFiscal year ends October 2
Financials through Q3 FY2026, quarter ended Jul 3, 2026Last filing: 10-Q on Aug 11, 2026Score 9/3020% below fair value
$21.95−0.20 (-0.90%)
Close on Nov 13, 2026Market cap $5.37BP/E 26.4Yield –
Amentum operating margin
Operating margin is operating income as a percentage of revenue.
Amentum's operating margin for the twelve months ending Jul 3, 2026 was 4.2%. For fiscal 2025 it was 3.3%, against 3.5% the year before.
Annual operating margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Oct 3, 2025 | 3.3% | −0.1 |
| FY2024 | Sep 27, 2024 | 3.5% | +2.7 |
| FY2023 | Sep 29, 2023 | 0.7% | −0.9 |
| FY2022 | Sep 30, 2022 | 1.6% | – |
Quarterly operating margin
Change is against the same quarter a year earlier.
Periods
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026CQ2 2026 | Jul 3, 2026 | 4.9% | +2.0 |
| Q2 FY2026CQ1 2026 | Apr 3, 2026 | 4.3% | +1.2 |
| Q1 FY2026CQ4 2025 | Jan 2, 2026 | 4.3% | +0.4 |
| Q4 FY2025CQ3 2025 | Oct 3, 2025 | 3.4% | +2.2 |
| Q3 FY2025CQ2 2025 | Jun 27, 2025 | 2.9% | −1.3 |
| Q2 FY2025CQ1 2025 | Mar 28, 2025 | 3.2% | −1.2 |
| Q1 FY2025CQ4 2024 | Dec 27, 2024 | 3.9% | −0.5 |
| Q4 FY2024CQ3 2024 | Sep 27, 2024 | 1.2% | – |
| Q3 FY2024CQ2 2024 | Jun 28, 2024 | 4.2% | – |
| Q2 FY2024CQ1 2024 | Mar 29, 2024 | 4.3% | – |
| Q1 FY2024CQ4 2023 | Dec 29, 2023 | 4.3% | – |
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