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Amentum Holdings, Inc. (AMTM) stock analysis

AMTMNYSEServices-Business Services, NECFiscal year ends October 2
Financials through Q3 FY2026, quarter ended Jul 3, 2026Last filing: 10-Q on Aug 11, 2026Score 8/3018% below fair value
$22.73−0.40 (-1.73%)

Close on Nov 11, 2026Market cap $5.56BP/E 27.4Yield –

StockData Score

Prices as of Nov 11, 2026How the score works

Value3Growth3Performance1Health1Dividend0

Weak8 of 30 checks passed

Amentum passes 8 of the 30 checks behind our score; 12 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.

Valuation
3/6
Growth
3/6
Past performance
1/6
Financial health
1/6
Dividend
0/6

What stands out

  • Trading below fair value

    The share price of $22.73 is below our fair value estimate of $27.71.

  • Revenue growing 10%+ a year

    Revenue grew 23.3% a year over the last three fiscal years.

  • EV/EBITDA below its 5-year median

    Amentum's EV/EBITDA of 15.1 is below its 5-year median of 25.1.

  • P/B below the industry

    Amentum's price-to-book of 1.18 is below the Miscellaneous Business Services median of 2.48.

What to watch

  • Margin of safety under 20%

    The price is 18.0% below fair value, less than the 20% cushion we look for.

  • Return on capital under 10%

    Return on invested capital was 5.5%, below the 10% that usually covers the cost of capital.

  • High debt

    Debt is 81.5% of shareholders' equity, above the 40% we consider low.

  • Debt not well covered by cash flow

    Operating cash flow over the last twelve months equals 13.2% of total debt; we look for at least 20%.

Valuation3/6

  • P/E against its history

    Not enough price and earnings history to compare.

  • P/E above the industry

    Amentum's P/E of 27.4 is above the Miscellaneous Business Services median of 25.8.

  • EV/EBITDA below its 5-year median

    Amentum's EV/EBITDA of 15.1 is below its 5-year median of 25.1.

  • P/B below the industry

    Amentum's price-to-book of 1.18 is below the Miscellaneous Business Services median of 2.48.

  • Trading below fair value

    The share price of $22.73 is below our fair value estimate of $27.71.

  • Margin of safety under 20%

    The price is 18.0% below fair value, less than the 20% cushion we look for.

Growth3/6

  • Revenue growing 10%+ a year

    Revenue grew 23.3% a year over the last three fiscal years.

  • EPS growth over 3 years

    Needs positive EPS three years ago and today.

  • Earnings acceleration

    Needs positive net income now, a year ago and five years ago.

  • Growing faster than the industry

    Revenue grew 11.4% over the last twelve months; the Miscellaneous Business Services median is 9.9%.

  • Guidance lowered

    Amentum lowered its fiscal year 2026 Revenues outlook on Aug 10, 2026.

  • Gross margin improving

    Gross margin was 10.2% over the last twelve months, against 10.2% a year earlier.

Past performance1/6

  • Return on equity

    Needs positive equity and five years of results.

  • Return on capital under 10%

    Return on invested capital was 5.5%, below the 10% that usually covers the cost of capital.

  • Return on equity below the industry

    Amentum's return on equity of 4.5% is below the Miscellaneous Business Services median of 6.8%.

  • Earnings over 5 years

    Needs positive net income five years ago and in the latest year.

  • Net margin above its 5-year average

    Net margin was 1.4% over the last twelve months, against a 5-year average of -1.4%.

  • Net margin below the industry

    Amentum's net margin of 1.4% is below the Miscellaneous Business Services median of 3.8%.

Financial health1/6

  • High debt

    Debt is 81.5% of shareholders' equity, above the 40% we consider low.

  • Debt trend

    Needs a balance sheet from five years ago with positive equity.

  • Debt not well covered by cash flow

    Operating cash flow over the last twelve months equals 13.2% of total debt; we look for at least 20%.

  • Interest coverage

    Interest expense is not reported separately.

  • Short-term assets cover short-term debts

    Current assets are 1.52 times current liabilities.

  • Bankruptcy risk in the grey zone

    The Altman Z-score is 2.04; above 3 is the safe zone and below 1.8 the distress zone.

Dividend0/6

  • No dividend

    Amentum has not paid a dividend in the last twelve months.

  • Yield against Treasuries

    No dividend.

  • Yield against the market

    No dividend.

  • Dividend stability

    No dividend.

  • Earnings cover

    No dividend.

  • Cash-flow cover

    No dividend.

Scores of similar companies

Fair value

How we estimate it

Our estimate per share

$27.71

The share price is 18% below this estimate.

20%+ below
Near fair value
20%+ above
$22.73Price$27.71Fair value
MethodMultiple usedOwn 5Y medianIndustry medianValue per shareWeight
P/E25.8×–25.8×$21.3947%
EV/EBITDA18.5×25.1×15.7×$31.3141%
P/B2.1×1.2×2.5×$40.3912%
Earnings powerleft out, too far from the others11.0% cost of equity––$7.52–
Fair value$27.71100%

Valuation over time

Using the earnings and balance sheet published at each date, not today's.

  • P/E at month end
  • Miscellaneous Business Services median 25.8

An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.

Market risk

From the past year of daily prices.

Liquidity

Low risk

Average value traded per day
$39.08M
Value traded per 1% price move
$19.58M

Downside

Medium risk

Typical loss in a bad month
18.5%
Volatility (annualized)
47%
Sharpe ratio, 1 year
-0.10
Beta to the S&P 500 (5Y)
1.22

Typical bad-month loss, week by week

25%: high

Margins

Share of revenue, fiscal years 2021 to 2025

Gross margin

10.5%

Operating margin

3.3%

Net margin

0.5%

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