Amentum Delivers Advanced Engineering for Key Artemis II Launch Rehearsal
Business Wire (Mon, 29-Dec 8:30 AM ET)
Amentum Wins Defense Threat Reduction Agency (DTRA) Prime Contract
Business Wire (Thu, 11-Dec 8:30 AM ET)
Amentum Wins $120 Million DISA Computer Processing Contract
Business Wire (Tue, 9-Dec 8:30 AM ET)
Amentum Reports Strong Fourth Quarter and Fiscal Year 2025 Results
Business Wire (Mon, 24-Nov 4:30 PM ET)
AMTM's Post-Spin-Off Results Highlight a Year of Transition and Opportunities for Growth
Market Chameleon (Thu, 20-Nov 3:01 AM ET)
Jacobs Reports Strong Fiscal Fourth Quarter and Fiscal Year 2025 Earnings
PRNewswire (Thu, 20-Nov 6:45 AM ET)
Market Chameleon (Wed, 12-Nov 4:43 AM ET)
Amentum Wins U.S. Air Force Contract Worth up to $995M to Modernize the MQ-9 Unmanned Aerial System
Business Wire (Wed, 12-Nov 8:30 AM ET)
Amentum Wins Prime Positions on Multi-billion Pound Sellafield Decommissioning Framework
Business Wire (Fri, 31-Oct 5:00 AM ET)
Business Wire (Thu, 23-Oct 9:00 AM ET)
Amentum Holdings Inc is an engineering and technology solutions provider serving U.S. and allied government agencies, as well as international and commercial customers across energy and environmental, intelligence, space, defense, civilian and commercial markets. It provides environmental remediation, intelligence and counter-threat solutions, data analytics, engineering and integration, testing, training and citizen services. The company operates through two segments: Digital Solutions, offering digital and data-driven services, and Global Engineering Solutions, providing environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management. majority of its revenue comes from the Global Engineering Solutions segment and from the United States.
Amentum Holdings trades on the NYSE stock market under the symbol AMTM.
As of December 30, 2025, AMTM stock price climbed to $29.30 with 1,150,204 million shares trading.
AMTM has a beta of 0.96, meaning it tends to be less sensitive to market movements. AMTM has a correlation of 0.15 to the broad based SPY ETF.
AMTM has a market cap of $7.14 billion. This is considered a Mid Cap stock.
Last quarter Amentum Holdings reported $4 billion in Revenue and $.63 earnings per share. This beat revenue expectation by $313 million and exceeded earnings estimates by $.05.
The top ETF exchange traded funds that AMTM belongs to (by Net Assets): IJR, VTI, VB, VBR, SHLD.
AMTM has outperformed the market in the last year with a return of +43.1%, while the SPY ETF gained +16.7%. In the last 3 month period, AMTM beat the market returning +28.4%, while SPY returned +3.8%. However, in the most recent 2 weeks AMTM has underperformed the stock market by returning -0.2%, while SPY returned +1.2%.
AMTM support price is $28.61 and resistance is $29.80 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that AMTM shares will trade within this expected range on the day.
