Welcome to our dedicated page for Amentum Holdings news (Ticker: AMTM), a resource for investors and traders seeking the latest updates and insights on Amentum Holdings stock.
Amentum Holdings, Inc. reports developments tied to its advanced engineering and technology solutions for U.S. and allied government agencies, international customers and commercial markets. Company news commonly covers mission support contracts, nuclear engineering and decommissioning work, space systems operations, defense logistics, aviation support, digital infrastructure and environmental services.
Recurring updates also include quarterly earnings communications, contract awards, joint-venture activity, operational expansions and investor relations or governance changes. Amentum’s releases frame its work across science, security and sustainability, including NASA ground systems support, small modular reactor programs, nuclear research-site cleanup, aerial firefighting operations and Indo-Pacific logistics capabilities.
Amentum (NYSE: AMTM) reported third quarter FY 2026 revenues of $3.49 billion, down 2% year-over-year, with GAAP net income of $66 million and diluted EPS of $0.27. Adjusted EBITDA rose 6% to $290 million with an 8.3% margin, and adjusted diluted EPS increased 20% to $0.67. Free cash flow was $135 million, up 35%.
The company generated $146 million of operating cash flow and ended the quarter with $459 million in cash and $3.88 billion of gross debt, after a voluntary $125 million term loan repayment. Backlog grew 8% to $48.2 billion, funded backlog rose 10% to $6.2 billion, and last-twelve-month book-to-bill was 1.3x.
Amentum highlighted over $400 million in new global nuclear energy awards, about $250 million in critical digital infrastructure contracts, more than $1 billion in classified defense awards, and large NASA wins including the ~$500 million COSMOS JV award and the $974 million, 10-year CMOE II contract. FY 2026 guidance was updated to revenues of $13.8–$13.95 billion, adjusted EBITDA of $1.115–$1.14 billion, adjusted diluted EPS of $2.40–$2.50, and free cash flow of $525–$575 million.
Amentum (NYSE: AMTM) and Westinghouse Electric Company have signed a series of agreements to support Westinghouse’s APX nuclear technology platform. The collaboration is intended to expand fleet-scale deployment capacity for the AP1000® reactor and advance development of the AP300™ small modular reactor (SMR).
The companies plan to combine Amentum’s nuclear engineering and project expertise with Westinghouse’s validated AP1000 technology, supply chain and licensing strategies. Under the latest agreement, they will work together to obtain U.S. Nuclear Regulatory Commission approval for the AP300 SMR. Westinghouse and Amentum highlight a long track record of joint nuclear projects across the U.S., U.K., Poland, Slovakia, Lithuania and South Africa.
Amentum (NYSE: AMTM) has been selected by the U.S. Department of Energy’s National Nuclear Security Administration to enter negotiations for a phased lease to develop an integrated artificial intelligence data center and energy infrastructure project at the Savannah River Site in South Carolina.
According to Amentum, once finalized, the public‑private project would establish a 1‑gigawatt AI data center supported by about 2 gigawatts of on‑site energy generation, initially using natural gas and later advanced nuclear energy. The project is designed to expand domestic AI computing capacity, enhance reliable power generation, and demonstrate how public‑private partnerships can support critical national security and energy resilience goals.
Amentum (NYSE: AMTM) will host a third quarter fiscal year 2026 earnings conference call on August 11, 2026 at 8:30 AM EDT to discuss financial results for the quarter ended July 3, 2026. A news release with the results will be issued before the call.
The conference call will be webcast to the public via a link on Amentum’s Investor Relations website. According to Amentum, a replay of the call, along with the earnings press release, presentation slides and supplemental financial disclosures, will be available afterward through the same online link.
Amentum (NYSE: AMTM), a global advanced engineering and technology company, was named to TIME Magazine’s America’s Best Companies 2026 list. The ranking, developed with Statista, evaluates U.S. companies using data on employee satisfaction, financial strength, and sustainability transparency, highlighting Amentum’s people-first and responsible-business focus.
Amentum (NYSE: AMTM) has been awarded NASA’s Consolidated Spaceflight Mission Operations and Systems (COSMOS) contract through ASCEND Aerospace & Technology, a joint venture with Aerodyne Industries under the SBA Mentor-Protégé Program.
The work supports NASA’s Flight Operations Directorate at Johnson Space Center across Orion, SLS, ISS, Commercial Crew and Artemis programs, providing mission operations, systems, training, and Mission Control Center expertise.
Amentum (NYSE: AMTM) secured a $77 million, 60‑month firm-fixed price contract from the U.S. General Services Administration to deliver AI-powered, end-to-end supply chain logistics for the Pentagon and other federal customers in Japan within the INDOPACOM region.
The program will integrate AI tools for demand planning, forecasting, catalog management, procurement, transportation, inventory, and on-time delivery to enhance operational readiness and sustainment for U.S. military installations.
Amentum (NYSE: AMTM), a global advanced engineering and technology company, debuted on the 2026 Fortune 500 list at position #313, which is based on prior-year U.S. corporate revenue.
Leadership highlights its 50,000 employees, operations in 70+ nations, and focus on innovation in national security, energy, space, intelligence, and infrastructure.
Amentum (NYSE: AMTM) appointed Dr. Sam Nazari as Chief AI Architect, a newly created role to lead company-wide AI integration. He will align AI investments with mission-critical customer demand and support programs across defense, intelligence, energy, space, and commercial markets.
Responsibilities include developing customer-facing AI solutions, internal automation, and ensuring FedRAMP, CMMC, and client compliance. Dr. Nazari previously led Amentum AI initiatives at DARPA and held AI and ML roles at SSCI and STR.
Amentum (NYSE:AMTM) reported Q2 FY 2026 revenues of $3.48 billion, flat year-over-year, with operating income of $151 million and net income of $54 million ($0.22 diluted EPS). Adjusted EBITDA was $275 million and free cash flow $220 million.
Backlog reached $47.8 billion with 1.2x book-to-bill. The company issued a $1.4 billion Term Loan A, upsized its revolver to $1.0 billion, and reaffirmed FY 2026 guidance for revenue of $13.95–$14.3 billion, adjusted EBITDA of $1.10–$1.14 billion, adjusted EPS of $2.25–$2.45 and free cash flow of $525–$575 million.