Amentum HoldingsAMTM.NValuation Analysis
Based on the blended 10-year P/E and P/B percentiles, the stock currently sits in the “Deeply Undervalued” zone.
As of Oct 16, 2026, Amentum Holdings (AMTM.N) trades at a P/E of 23.40x, P/B of 1.02x, P/S of 0.34x, and a dividend yield of 0.00%.
Longitudinal percentile comparison: P/E sits at the 6th percentile over the trailing 10Y window (vs. 6th percentile over 3Y); P/B sits at the 9th percentile over the trailing 10Y window (vs. 9th percentile over 3Y); P/S sits at the 5th percentile over the trailing 10Y window (vs. 5th percentile over 3Y).
Cross-sectional valuation: its P/E ranks at the 51st percentile within its industry and the 60th percentile across the broader market.
Shareholder return highlight: Total Shareholder Yield is 0.00%; its historical percentile over the trailing long-term window is still accumulating data.
Cross-checking P/E against P/B, the two percentiles sit within 3.2 points of each other — a consistent signal from both angles. The P/E percentile sits lower within its industry than across the market as a whole — relatively cheaper next to direct peers. Shareholder returns here are driven almost entirely by cash dividends, with minimal contribution from buybacks. Amentum Holdings operates in the Services sector. Data refreshes weekly and is for reference only, not investment advice.
Also listed as: NYSE: AMTM · AMTM
Want the full picture on whether Amentum Holdings (AMTM.N) is under- or over-valued? See the full 3Y / 5Y / 10Y / 20Y P/E, P/B, P/S, Dividend Yield & Total Shareholder Yield percentile matrix and the interactive ECharts trend chart on this page.
Historical Percentiles by Metric
| Metric | Current | Market Percentile | Industry Percentile | 3Y Pctl | 5Y Pctl | 10Y Pctl | 20Y Pctl |
|---|---|---|---|---|---|---|---|
| P/E (TTM) | 23.40 | ||||||
| P/B (MRQ) | 1.02 | ||||||
| P/S (TTM) | 0.34 | ||||||
| Dividend Yield | 0.00% | 0 | 0 | 0 | 0 | 0 | 0 |
| Buyback + Div Yield | 0.00% | 0 | 0 | 0 | 0 | 0 | 0 |