Is Amentum Holdings, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Amentum Holdings, Inc. has moved from fair to attractive, indicating a positive shift in its perceived value. The company appears to be undervalued, especially considering its current price of $22.40 compared to its 52-week high of $34.47. Key valuation ratios include a price-to-earnings (P/E) ratio that suggests a favorable comparison to industry standards, although specific metrics for peer comparison are not available.
In terms of performance, Amentum has faced challenges, with a one-year return of -24.55%, significantly lagging behind the S&P 500's return of 14.08% during the same period. This underperformance, combined with the attractive valuation grade, suggests that the stock may present a buying opportunity for investors looking for value in the Aerospace & Defense sector.