Amentum Holdings Inc.
NYSE: AMTM · INDUSTRIALS · SPECIALTY BUSINESS SERVICES
Updated 2026-04-29
Amentum Holdings Inc. (AMTM) Stock Valuation Analysis
Fair value estimate, historical valuation range, and quality signals for AMTM.
Current price exceeds what fundamentals support. Risk/reward skewed unfavorably.
AMTM historical valuation range
Where current P/E sits in AMTM's own 5Y range.
AMTM intrinsic value (DCF)
DCF-based fair value estimate vs current market price.
Intrinsic value calculated using discounted cash flow (DCF) model based on projected free cash flows, discount rate, and terminal growth assumptions. A positive margin of safety indicates the current price is below estimated fair value, providing a cushion against estimation error.
AMTM valuation signals
Quick-read green flags, caution flags, and risks based on current metrics.
P/E Ratio — History
Current: 63.35x
P/S Ratio — History
Current: 0.43x
Is AMTM overvalued in 2026?
Amentum Holdings Inc. (AMTM) currently trades at $25.34 per share with a market capitalization of $6,181,317,000.00. Based on our multi-factor framework, the stock appears richly valued with a Smart Value Score of 49/100. This score blends growth quality, financial health, and price attractiveness into a single institutional-grade read.
The stock trades at a P/E ratio of 63.4x, below its 5-year median of 67.3x.
Looking at its own history, AMTM is currently trading cheaper than 75% of the last 5Y on P/E. This places it in the 25th percentile of its historical range, a reasonable but unremarkable position.
Our discounted cash flow model estimates AMTM's intrinsic value at $142.76 per share, against the current market price of $25.34. This implies a margin of safety of +78.71%. A meaningful cushion exists against model error, making this a reasonable risk-adjusted entry.
The Piotroski F-Score of 5/9 puts financial quality in a middling range, neither a standout strength nor an obvious red flag.
Bottom line: AMTM appears richly valued on our framework, with a Smart Value Score of 49/100. At current levels the risk/reward is skewed against the buyer. A materially lower price or significant operational improvement would be needed to change the picture.
Frequently asked questions
Is AMTM overvalued in 2026?
Based on a Smart Value Score of 49/100, AMTM appears overvalued. Current price exceeds what fundamentals currently justify.
What is AMTM's fair value?
Our DCF model estimates AMTM's intrinsic value at $142.76 per share, versus the current price of $25.34. This produces a margin of safety of +78.71%.
What P/E ratio does AMTM trade at?
AMTM trades at a P/E of 63.4x on trailing twelve-month earnings, compared to its 5-year median of 67.3x.
Is AMTM a buy based on valuation?
WallStSmart does not issue buy or sell recommendations. Our Smart Value Score of 49/100 reflects the combined read on growth, quality, and price. The profile skews cautious. Consider waiting for a better price or clearer operational improvement.
How does AMTM's valuation compare to its history?
On P/E, AMTM currently sits in the 25th percentile of its own 5Y range. That is below its long-run median relative to where it has traded over the period.
What is AMTM's Smart Value Score?
AMTM's Smart Value Score is 49/100. The Smart Value Score is a proprietary WallStSmart metric blending growth quality, financial health, and valuation attractiveness into a single 0-100 read. Scores above 75 are rare and indicate strong multi-factor alignment.