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Companies · AMTM · Services-Business Services, Nec

Amentum Holdings, Inc. (AMTM)

Amentum Holdings, Inc. (AMTM) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

Amentum Holdings, Inc. (AMTM) stock — financials & valuation

Key numbers for Amentum Holdings, Inc. (AMTM): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 52/100 — a percentile rank of Amentum Holdings, Inc.’s fundamentals against Services peers, weakest on profitability. A quality ranking, not a price prediction.

Market cap$4.5B
P / E22.1×
P / S0.3×
EV / EBITDA8.3×
Gross margin10.2%
Operating margin3.6%
Net margin1.4%
Return on equity4.3%
ROIC4.6%
Debt / equity0.8×
Dividend yield0.0%

Independent of the events above — derived from Amentum Holdings, Inc.’s own financial statements and shown as context, never as advice.

Aug 10, 2026
Profitability beat expectations, but revenue guidance took a meaningful step down.
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