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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 gross margin

Gross margin is gross profit as a percentage of revenue.

Amentum's gross margin for the twelve months ending Jul 3, 2026 was 10.2%. For fiscal 2025 it was 10.5%, against 9.5% the year before.

Annual gross margin

PeriodPeriod endValueChange (pts)
FY2025Oct 3, 202510.5%+1.0
FY2024Sep 27, 20249.5%−0.4
FY2023Sep 29, 20239.9%−0.1
FY2022Sep 30, 202210.0%–

Quarterly gross margin

Change is against the same quarter a year earlier.

Periods
PeriodPeriod endValueChange (pts)
Q3 FY2026CQ2 2026Jul 3, 202610.3%−0.0
Q2 FY2026CQ1 2026Apr 3, 20269.9%−0.6
Q1 FY2026CQ4 2025Jan 2, 202610.1%−0.5
Q4 FY2025CQ3 2025Oct 3, 202510.6%+1.7
Q3 FY2025CQ2 2025Jun 27, 202510.3%+0.7
Q2 FY2025CQ1 2025Mar 28, 202510.5%+0.8
Q1 FY2025CQ4 2024Dec 27, 202410.6%+0.8
Q4 FY2024CQ3 2024Sep 27, 20249.0%–
Q3 FY2024CQ2 2024Jun 28, 20249.6%–
Q2 FY2024CQ1 2024Mar 29, 20249.8%–
Q1 FY2024CQ4 2023Dec 29, 20239.8%–

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