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Amentum Holdings, Inc.NYSE:AMTM Stock Report

Market Cap US$5.6b
Share Price
US$23.29
US$33.45
30.4% undervalued intrinsic discount
1Y4.3%
7D-4.0%
Portfolio Value
View

Amentum Holdings, Inc.

NYSE:AMTM Stock Report

Market Cap: US$5.6b

AMTM Community Fair Values

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Amentum Holdings, Inc. Competitors

Price History & Performance

Summary of share price highs, lows and changes for Amentum Holdings
Historical stock prices
Current Share PriceUS$22.98
52 Week HighUS$38.11
52 Week LowUS$19.11
Beta0
1 Month Change-16.68%
3 Month Change-23.53%
1 Year Change4.27%
3 Year Changen/a
5 Year Changen/a
Change since IPO-22.13%

Recent News & Updates

Seeking Alpha Apr 01

Amentum: Ancillary News Indicates Thesis Still Intact

Summary Amentum is rated a strong buy, trading at a 43% discount to peers despite resilient long-term fundamentals. Recent Q1 weakness stemmed from government shutdown-driven revenue lag and negative cash flow, but management reaffirmed 2026 guidance and expects operational ramp-up. Key tailwinds include nuclear energy contracts, MQ-9 Reaper drone sustainment, and potential Golden Dome missile defense participation amid rising global defense spending. I am monitoring the book-to-bill ratio (>1.0 expected), margin expansion, and the upcoming U.S. military budget proposal as near-term catalysts. Read the full article on Seeking Alpha

Recent updates

Seeking Alpha Apr 01

Amentum: Ancillary News Indicates Thesis Still Intact

Summary Amentum is rated a strong buy, trading at a 43% discount to peers despite resilient long-term fundamentals. Recent Q1 weakness stemmed from government shutdown-driven revenue lag and negative cash flow, but management reaffirmed 2026 guidance and expects operational ramp-up. Key tailwinds include nuclear energy contracts, MQ-9 Reaper drone sustainment, and potential Golden Dome missile defense participation amid rising global defense spending. I am monitoring the book-to-bill ratio (>1.0 expected), margin expansion, and the upcoming U.S. military budget proposal as near-term catalysts. Read the full article on Seeking Alpha
Analysis Article Feb 17

Amentum Holdings' (NYSE:AMTM) Performance Is Even Better Than Its Earnings Suggest

Investors were underwhelmed by the solid earnings posted by Amentum Holdings, Inc. ( NYSE:AMTM ) recently. We have done...
Analysis Article Feb 13

Amentum Holdings, Inc. (NYSE:AMTM) Just Released Its First-Quarter Results And Analysts Are Updating Their Estimates

There's been a notable change in appetite for Amentum Holdings, Inc. ( NYSE:AMTM ) shares in the week since its...
Analysis Article Jan 30

Amentum Holdings, Inc. (NYSE:AMTM) Stock Catapults 27% Though Its Price And Business Still Lag The Industry

Despite an already strong run, Amentum Holdings, Inc. ( NYSE:AMTM ) shares have been powering on, with a gain of 27% in...
Analysis Article Aug 07

Amentum Holdings, Inc. (NYSE:AMTM) Screens Well But There Might Be A Catch

Amentum Holdings, Inc.'s ( NYSE:AMTM ) price-to-sales (or "P/S") ratio of 0.5x might make it look like a buy right now...
Seeking Alpha Apr 15

Amentum: Stock Down, Setup Improving, Growth Potential

Summary Recent defense spin-off Amentum Holdings, Inc. is a stable business with growing revenue and free cash flow trading at 8.5x forward earnings. DOGE worries and normal spin-off overhangs have weighed on the stock, as well as the recent broad market sell-off. Meanwhile, the Trump administration has revealed plans for a $1tr defense budget, and RemainCo Jacobs has completed its planned divestiture, removing some selling pressure. As spin-off overhangs dissipate, and the company reduces its debt, it should trade more in line with peers (~15x earnings). A 15x multiple on FY2026 earnings would result in a double in just over a year. I upgrade AMTM to a Strong Buy. Read the full article on Seeking Alpha
Seeking Alpha Feb 23

Amentum: A Spin-Off With A Solid Business And Attractive Valuation

Summary Amentum Holdings, Inc. trades at a significant discount to peers, despite strong medium-term guidance and upbeat analyst estimates. The company's diversified revenue streams, huge backlog, and strategic alignment with Trump administration priorities protect it against potential DOGE cuts. As well as DOGE, high debt levels and spin-off-related issues currently pressure the stock, but the company is deleveraging, and the spin-off overhangs should clear eventually. The company meets many of Peter Lynch's markers of a good spin-off opportunity. Read the full article on Seeking Alpha
Seeking Alpha Dec 27

Amentum: Forgotten Spin-Off In Defense And Nuclear Energy

Summary Amentum, a recent spin-off, combines legacy Amentum and Jacobs CMS, focusing on defense, space, intelligence, and nuclear engineering, with a $5 billion market cap. Despite high debt, Amentum's massive $45 billion backlog and strong revenue visibility position it for stock appreciation, targeting a 3x net leverage ratio by FY26. Spin-offs often outperform due to focused management; Amentum's stock is undervalued at $20, with the potential to reach $30-$35 in 12-18 months. Read the full article on Seeking Alpha

Shareholder Returns

AMTMUS Professional ServicesUS Market
7D-4.0%-2.2%-0.3%
1Y4.3%-28.0%24.1%

Return vs Industry: AMTM exceeded the US Professional Services industry which returned -28% over the past year.

Return vs Market: AMTM underperformed the US Market which returned 24.1% over the past year.

Price Volatility

Is AMTM's price volatile compared to industry and market?
AMTM volatility
AMTM Average Weekly Movement5.0%
Professional Services Industry Average Movement8.1%
Market Average Movement7.2%
10% most volatile stocks in US Market16.2%
10% least volatile stocks in US Market3.2%

Stable Share Price: AMTM has not had significant price volatility in the past 3 months compared to the US market.

Volatility Over Time: AMTM's weekly volatility (5%) has been stable over the past year.

About the Company

FoundedEmployeesCEOWebsite
202350,000John Hellerwww.amentum.com

Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients.

Amentum Holdings, Inc. Fundamentals Summary

How do Amentum Holdings's earnings and revenue compare to its market cap?
AMTM fundamental statistics
Market capUS$5.61b
Earnings (TTM)US$148.00m
Revenue (TTM)US$14.20b
37.9x
P/E Ratio
0.4x
P/S Ratio

Earnings & Revenue

Key profitability statistics from the latest earnings report (TTM)
AMTM income statement (TTM)
RevenueUS$14.20b
Cost of RevenueUS$12.71b
Gross ProfitUS$1.49b
Other ExpensesUS$1.34b
EarningsUS$148.00m

Last Reported Earnings

Apr 03, 2026

Next Earnings Date

n/a

Earnings per share (EPS)0.61
Gross Margin10.49%
Net Profit Margin1.04%
Debt/Equity Ratio83.5%

How did AMTM perform over the long term?

See historical performance and comparison

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/05/18 19:56
End of Day Share Price 2026/05/15 00:00
Earnings2026/04/03
Annual Earnings2025/10/03

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Amentum Holdings, Inc. is covered by 13 analysts. 11 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Mariana Perez MoraBofA Global Research
Andre MadridBTIG
Colin CanfieldCantor Fitzgerald & Co.