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1D
1W
1M
3M
6M
YTD
1Y
2Y
5Y
ALL
Market cap
$7.56B
EPS
0.27
P/E ratio
83.7
Price to sales
0.53
Dividend yield
--
Beta
0.016297
Previous close
$30.07
Today's open
$30.20
Day's range
$29.68 - $31.41
52 week range
$16.01 - $38.11
show more
CEO
John Heller
Employees
53000
Headquarters
Chantilly, VA
Exchange
New York Stock Exchange
Shares outstanding
243935176
Issue type
Common Stock
Industrials
Corporate Services
Why Amentum Stock Is Crashing This Week
Amentum reported first quarter fiscal 2026 results this week. Nuclear energy investors have more compelling options right now than Amentum stock.
The Motley Fool • Feb 13, 2026

The Sell-Off Was A Gift: Amentum Remains A Buy
Amentum Holdings experienced a sharp sell-off after a revenue miss and underwhelming FY26 guidance, but I view the dip as a buying opportunity. My investment thesis for AMTM centers on its shift toward high-margin, long-duration infrastructure and energy programs, with notable nuclear and space contracts driving future growth. Despite near-term cash flow pressure, AMTM's backlog growth, margin expansion, and strong visibility into 2026 revenue support a favorable risk-reward scenario.
Seeking Alpha • Feb 12, 2026

Why Amentum Holdings Stock Just Crashed
Amentum missed on Q1 sales but beat on earnings this morning. The nuclear engineering firm forecasts a return to sales growth later in the year.
The Motley Fool • Feb 10, 2026

Amentum Holdings, Inc. (AMTM) Q1 2026 Earnings Call Transcript
Amentum Holdings, Inc. (AMTM) Q1 2026 Earnings Call Transcript
Seeking Alpha • Feb 10, 2026

Amentum: An Intriguing Investment in the Defense Sector
Explore the exciting world of Amentum (AMTM 2.19%) with our contributing expert analysts in this Motley Fool Scoreboard episode. Check out the video below to gain valuable insights into market trends and potential investment opportunities!
The Motley Fool • Feb 10, 2026

Amentum Reports First Quarter Fiscal Year 2026 Results and Reaffirms Full Year Guidance
CHANTILLY, Va.--(BUSINESS WIRE)---- $AMTM #1stQTR--Amentum Holdings, Inc. (“Amentum” or the “Company”) (NYSE: AMTM), a leading advanced engineering and technology company, today announced results for the first quarter ended January 2, 2026, and reaffirmed its outlook for fiscal year 2026. “Amentum's first-quarter results reflect solid operational performance and continued progress on our strategic objectives,” said Amentum Chief Executive Officer John Heller. “Robust bookings across our accelerating growth marke.
Business Wire • Feb 9, 2026

Amentum Holdings (AMTM) Q1 Earnings Surpass Estimates
Amentum Holdings (AMTM) came out with quarterly earnings of $0.54 per share, beating the Zacks Consensus Estimate of $0.53 per share. This compares to earnings of $0.51 per share a year ago.
Zacks Investment Research • Feb 9, 2026

Amentum (AMTM) Q1 Earnings: Taking a Look at Key Metrics Versus Estimates
The headline numbers for Amentum (AMTM) give insight into how the company performed in the quarter ended December 2025, but it may be worthwhile to compare some of its key metrics to Wall Street estimates and the year-ago actuals.
Zacks Investment Research • Feb 10, 2026

Jacobs Reports Strong Fiscal First Quarter 2026 Results
Strong Q1 Gross Revenue and Adj. Net Revenue Growth of 12.3% and 8.2% y/y, Respectively Robust Backlog Growth of 21% y/y with TTM Book-to-Bill Ratio of 1.4x Unlocking Full Value of Asset Lifecycle Strategy through Transaction for Remaining Stake in PA Consulting Strategically Repurchased $252 Million of Jacobs Shares in Q1, Announced 12.5% Dividend Increase Increasing FY 2026 Adj.
PRNewsWire • Feb 3, 2026

Deep Isolation Launches Full-Scale Demonstration Program for Nuclear Waste Disposal
CAMERON, Texas, Feb. 02, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (“Deep Isolation”), a leading innovator in nuclear waste disposal technology, today announced the launch of its multi-year, full-scale, at-depth deep borehole demonstration program (the “Demonstration Program”), in collaboration with the Deep Borehole Demonstration Center (“DBDC”), Halliburton (NYSE: HAL), Amentum (NYSE: AMTM), NAC International, and Occlusion Nuclear Solutions, to conduct testing of its deep borehole technology for safely and permanently disposing of nuclear waste. Deep Isolation, in collaboration with Halliburton and the DBDC, hosted a Groundbreaking Event to officially launch the Demonstration Program on January 28, 2026.
GlobeNewsWire • Feb 2, 2026

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