Amentum Holdings, Inc. (AMTM) stock

AMTMNYSEServices-Business Services, NECFiscal year ends October 2

Financials through Q3 FY2026, quarter ended Jul 3, 2026Last filing: 10-Q on Aug 11, 2026Score 9/3020% below fair value

$21.95−0.20 (-0.90%)

Close on Nov 13, 2026Market cap $5.37BP/E 26.4Yield –

Amentum statistics

94 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Nov 23, 2026 (estimated, after the close)
Last ex-dividend date: No dividends
Fundamentals through: Jul 3, 2026
Share price as of: Nov 13, 2026

Valuation ratiosIndustry

Market Cap: $5.37B; $792.38M
Enterprise Value: $8.83B; $779.89M
PE Ratio: 26.45; 25.88
PS Ratio: 0.38; 2.33
PB Ratio: 1.14; 2.73
P/FCF Ratio: 11.32; 15.38
P/OCF Ratio: 10.63; 12.99

Enterprise valuationIndustry

EV / Sales: 0.62; 2.10
EV / EBITDA: 14.81; 16.18
EV / EBIT: 14.81; 21.00
EV / FCF: 18.62; 15.48

Share statisticsIndustry

Shares Outstanding: 245M; 59M
Shares Change (YoY): 19.2%; 1.88%
Shares Change (QoQ): 0.09%; 0.04%
Float: 166M; 53M
Shares Held by Insiders: 32.3%; 13.1%
Shares Held by Institutions: 89.6%; 62.6%

Short sellingIndustry

Short Interest: 14M; –
Short Interest Change: 10.9%; -3.30%
Short % of Float: 8.49%; 5.82%
Short % of Shares Outstanding: 5.75%; 4.22%
Days to Cover: 7.22; 3.54

Stock price statisticsIndustry

52-Week High: $38.11; –
52-Week Low: $17.72; –
20-Day Moving Average: $21.70; –
50-Day Moving Average: $20.19; –
200-Day Moving Average: $23.83; –
Average True Range (14): $0.86; –
Price Change (1 Week): 3.29%; 0.50%
Price Change (1 Month): 15.0%; -1.81%
Price Change (3 Months): 7.44%; -4.67%
Price Change (6 Months): -4.48%; 0.47%
Price Change (YTD): -24.3%; -13.6%
Price Change (1 Year): -4.40%; -13.9%
Average Volume (10 Days): 2M; –
Average Volume (20 Days): 2M; –
Average Volume (90 Days): 2M; –
Relative Volume: 0.63; 0.64
Relative Strength Index (14): 55.7; 47.4
Volatility (1 Year): 47.2%; 65.4%
Beta (5 Years): 1.21; 1.19

MarginsIndustry

Gross Margin: 10.2%; 55.6%
Operating Margin: 4.22%; -2.03%
Pretax Margin: 1.91%; -0.85%
Profit Margin: 1.44%; -2.58%
EBITDA Margin: 4.22%; 0.72%
FCF Margin: 3.35%; 9.88%

Returns on capitalIndustry

Return on Equity (ROE): 4.46%; 1.34%
Return on Assets (ROA): 1.77%; -3.24%
Return on Invested Capital (ROIC): 5.46%; -0.09%
Return on Capital Employed (ROCE): 6.55%; -0.55%

Financial positionIndustry

Current Ratio: 1.52; 1.37
Quick Ratio: 1.44; 0.94
Debt / Equity: 0.81; 0.51
Debt / EBITDA: 6.42; 2.60
Debt / FCF: 8.07; 2.79
Net Debt / EBITDA: 5.65; 1.41

GrowthIndustry

Revenue Growth (YoY): 11.4%; 9.45%
Net Income Growth (YoY): 292.3%; 9.41%
EPS Growth (YoY): 112.8%; 12.3%
FCF Growth (YoY): 243.5%; 14.3%
Revenue Growth (3Y CAGR): 23.3%; 7.44%

EfficiencyIndustry

Asset Turnover: 1.23; 0.64
Revenue Per Employee: $282.60K; $394.08K
Profits Per Employee: $4.08K; -$7.02K
Employee Count: 50,000; 525
WACC: 8.71%; 10.3%

Income statement (TTM)Industry

Revenue: $14.13B; $257.79M
Gross Profit: $1.45B; $158.22M
Operating Income: $596.00M; -$638.82K
Pretax Income: $270.00M; -$315.88K
Net Income: $204.00M; -$309.55K
EBITDA: $596.00M; -$78.29K
EPS (Diluted): $0.83; $0.00

Balance sheetIndustry

Cash & Short-Term Investments: $459.00M; $41.99M
Total Debt: $3.83B; $179.41M
Net Cash (Debt): -$3.37B; $1.76M
Net Cash Per Share: -$13.77; $0.12
Equity (Book Value): $4.70B; $51.00M
Book Value Per Share: $19.20; $1.98
Tangible Book Value: -$2.68B; $2.87M
Working Capital: $1.10B; $16.25M

Cash flow (TTM)Industry

Operating Cash Flow: $505.00M; $5.65M
Capital Expenditures: -$31.00M; -$5.67M
Free Cash Flow: $474.00M; $35.58M
FCF Per Share: $1.94; $0.53

Dividends and yieldsIndustry

Earnings Yield: 3.80%; 0.37%
FCF Yield: 8.83%; 4.39%

Taxes and interestIndustry

Income Tax: $69.00M; $1.63M
Effective Tax Rate: 25.6%; 22.4%

Scores and fair valueIndustry

Graham Number: $18.94; $16.88
Graham Upside: -13.7%; -55.0%
Altman Z-Score: 2.02; 1.96
Piotroski F-Score: 6; 5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

Period	AMTM	S&P 500	Difference
1 month	+18.5%	-3.0%	+21.6 pts
3 months	+1.3%	-2.8%	+4.1 pts
Year to date	-24.3%	+11.5%	−35.8 pts
1 year	-0.9%	+13.5%	−14.4 pts

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

14M AMTM shares were sold short on Oct 30, 2026, up 10.9% from the previous report, or 8.49% of the shares available to trade. At recent volumes it would take 7.2 days to buy them back. Over the last 20 sessions, 42.5% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	14,048,894	+10.9%	1,945,656	7.2
Oct 15, 2026	12,665,271	+2.7%	1,797,806	7.0
Sep 30, 2026	12,329,527	+0.8%	1,816,633	6.8
Sep 15, 2026	12,229,137	+1.1%	1,667,108	7.3
Aug 31, 2026	12,095,846	+13.6%	2,520,426	4.8
Aug 14, 2026	10,651,434	-14.0%	2,537,089	4.2
Jul 31, 2026	12,385,682	-7.9%	1,751,601	7.1
Jul 15, 2026	13,453,698	-2.1%	1,913,453	7.0
Jun 30, 2026	13,742,445	+1.1%	2,249,473	6.1
Jun 15, 2026	13,599,381	-1.8%	1,698,001	8.0
May 29, 2026	13,844,021	-0.2%	2,196,032	6.3
May 15, 2026	13,878,459	+0.2%	2,606,357	5.3