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Amentum (AMTM) Q1 2025 earnings summary

Event summary combining transcript, slides, and related documents.

Logotype for Amentum Holdings Inc

Q1 2025 earnings summary

17 Dec, 2025

Executive summary

  • Q1 FY2025 revenues reached $3.42 billion, up 2.3% pro forma and 72% GAAP year-over-year, driven by the CMS merger and growth in both Digital Solutions and Global Engineering Solutions.

  • Net income was $12 million, a turnaround from a $41 million loss in the prior year quarter, with adjusted EBITDA of $262 million and a margin of 7.7%.

  • Integration and value capture initiatives are on track, targeting $30 million in run-rate net synergies by FY25 year-end.

  • Backlog increased to $45.2 billion, with a book-to-bill ratio of 1.1x, supported by major contract wins including a $3B DOE project and $248M DOD contract.

  • Realigned reporting structure into Digital Solutions and Global Engineering Solutions segments, with new leadership and Technology Advisory Councils to drive innovation.

Financial highlights

  • Revenues for Q1 FY2025 were $3.416 billion, up 2% year-over-year, with adjusted EBITDA of $262 million (7.7% margin) and free cash flow of $102 million.

  • Adjusted diluted EPS was $0.51, up from $0.50 pro forma in the prior year quarter.

  • Net income attributable to common shareholders was $12 million, compared to a net loss of $41 million in the prior year quarter.

  • Book-to-bill ratio was 1.1x (1.5x including JVs), and total backlog stands at $45.2 billion, or 3.2x annual revenue.

  • Cash and cash equivalents at quarter-end were $522 million, with $4.7 billion in debt and $850 million undrawn revolver.

Outlook and guidance

  • FY2025 guidance reaffirmed: revenues of $13.8–$14.2 billion, adjusted EBITDA of $1.06–$1.1 billion, adjusted EPS of $2.00–$2.20, and free cash flow of $475–$525 million.

  • 96% of FY25 revenues expected from existing or recompete business; sequential increases in all metrics anticipated as new programs ramp up and a 53rd week is included in Q4.

  • 68% of remaining performance obligations expected to be recognized as revenue over the next 12 months.

  • Guidance includes a ~1% revenue impact from new administration initiatives, with most free cash flow expected in the second half due to seasonality.

  • Management views the budget environment as constructive but notes potential risks from government funding delays.

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