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. (NYSE: AMTM) generates frequent news due to its role as an advanced engineering and technology company serving U.S. and allied government customers across defense, space, energy and environmental markets. News about Amentum often centers on major contract awards, program milestones, and financial results that reflect its position in mission-focused specialty business services.
Recent announcements highlight Amentum’s participation in high-profile space programs, including engineering and systems integration support for NASA’s Artemis II mission under the Exploration Ground Systems program. The company has reported delivering end-to-end ground systems engineering and supporting launch rehearsal activities and launch control software infrastructure at the Kennedy Space Center.
Defense and national security updates are another key theme. Amentum has disclosed prime contractor status on the Defense Threat Reduction Agency’s Cooperative Threat Reduction Integrating Contract IV to provide chemical, biological, radiological and nuclear threat reduction capabilities worldwide. It has also announced a computer processing contract with the Defense Information Systems Agency to deliver dynamically scalable computing power, and a U.S. Air Force contract to support maintenance and operations for the MQ-9 Reaper unmanned aerial system.
Energy and nuclear-related news includes awards at the Sellafield nuclear site in the United Kingdom under the Decommissioning and Nuclear Waste Partnership framework, where Amentum will perform remediation and hazardous waste retrieval work. Company communications also cover its broader role in UK nuclear projects and defense programs.
Investors following AMTM news can expect coverage of quarterly and annual earnings releases, guidance updates, backlog developments, and significant contract wins across space, defense, intelligence, nuclear energy and digital infrastructure. This page offers a centralized view of such announcements so readers can track how new awards, program milestones and financial disclosures shape Amentum’s business over time.
Amentum (NYSE: AMTM) led the successful rollout of NASA’s Artemis II Space Launch System (SLS) and Orion spacecraft from the Vehicle Assembly Building to Launch Complex 39B at Kennedy Space Center on January 19, 2026.
Amentum engineers operated the crawler-transporter, performed systems monitoring and integration, and will continue supporting pad integration, final checkouts, and launch readiness under NASA’s Exploration Ground Systems program as Artemis II moves into the next phase ahead of its scheduled early‑2026 launch.
Amentum (NYSE: AMTM) will host its fiscal Q1 2026 earnings conference call on February 10, 2026 at 8:30 AM ET to discuss results for the quarter ended January 2, 2026. A news release with the results will be issued prior to the call. The call will be webcast publicly via a link on Amentum's Investor Relations website.
A replay, the earnings press release, presentation slides and supplemental financial disclosures will be available after the call at the same webcast link.
Amentum (NYSE: AMTM) provided end-to-end ground systems engineering support for a key Artemis II Countdown Demonstration Test at Kennedy Space Center on December 20, 2025. The CDDT simulated launch-day operations for the integrated Orion spacecraft and Space Launch System.
Amentum mobilized more than 300 personnel, supported crew module configuration and full-vehicle power-up, staffed the Firing Room, and provided the Launch Control System software for real-time data processing, remote command, and data recording. Artemis II is expected to launch no later than April 2026.
Amentum (NYSE: AMTM) was selected as a prime contractor on the $3.5 billion Defense Threat Reduction Agency Cooperative Threat Reduction Integrating Contract (CTRIC) IV.
As one of six awardees under a 10-year vehicle, Amentum can compete for task orders to provide chemical, biological, radiological, and nuclear (CBRN) threat reduction services and technologies to partner nations worldwide. The company said it will deploy engineering, logistics, risk assessment, and mitigation planning to help partners prevent, detect, and respond to WMD and emerging threats.
Amentum (NYSE: AMTM) won a $120 million Defense Information Systems Agency (DISA) award for Z-series chipset Processor Capacity Services (PCS), announced December 9, 2025. The contract covers a five-year base period plus five one-year option periods. Under PCS, Amentum will provision and maintain hardware, software, licensing, and operational services while DISA provides and supports the hosting environment.
The service delivers dynamically scalable, on-demand computing capacity using Z-series mainframe chips and Amentum cites routine 99.999% availability for its processor capacity solution. The model charges DISA based on utility consumption, allowing adjustments for increases or decreases in power usage.
Amentum (NYSE: AMTM) reported fiscal 2025 results with annual revenues of $14.4B (pro forma +4%), adjusted EBITDA $1,104M, and annual adjusted diluted EPS $2.22. GAAP net income was $66M and free cash flow totaled $516M. Backlog stood at $47.1B with a full-year book-to-bill of 1.2x. The company reduced net debt to $3.6B and net leverage to 3.2x.
Notable awards included a $4B Space Force Range Contract, ~$1.8B Sellafield positions, and classified intelligence awards near $700M. Fiscal 2026 guidance calls for revenues of $13.95B-$14.3B, adjusted EBITDA of $1.10B-$1.14B, adjusted EPS of $2.25-$2.45, and free cash flow of $525M-$575M.
Jacobs (NYSE: J) reported fiscal Q4 and full-year 2025 results on Nov 20, 2025, showing mixed GAAP and adjusted performance.
Key metrics: Q4 gross revenue $3.15B (+6.6% y/y), Q4 adjusted net revenue $2.24B (+5.8% y/y), FY25 gross revenue $12.03B (+4.6% y/y) and FY25 adjusted net revenue $8.69B (+5.3% y/y). Adjusted EBITDA rose 13.9% y/y (FY) to ~$1.2B and adjusted EPS increased 15.9% y/y to $6.12. Backlog hit a record $23.1B with a TTM book-to-bill of 1.1x. The company returned a record $1.1B to shareholders in FY25 through repurchases and dividends.
Outlook for FY26: adjusted net revenue growth of 6–10%, adjusted EPS $6.90–$7.30, adjusted EBITDA margin 14.4–14.7% and free cash flow margin 7.0–8.0%.
Amentum (NYSE:AMTM) won the Remotely Piloted Aircraft (RPA) Maintenance Support IDIQ from Air Force Air Combat Command with a ceiling up to $995 million and a five-year ordering period. The work covers MQ-9 Reaper maintenance, weapons loading, satellite launch and recovery (SLR), aerospace ground equipment, and deployment of specialized personnel across U.S. and global sites to reinforce combat readiness and training capabilities.
The award emphasizes Amentum’s MQ-9 operational expertise and draws on legacy experience with earlier systems. The contract structure is an IDIQ, so actual orders and timing will depend on future task orders under the ceiling value.
Amentum (NYSE: AMTM) won prime positions on Sellafield’s 15-year Decommissioning and Nuclear Waste Partnership (DNWP) framework to provide remediation and pond retrievals at the Sellafield site in Cumbria, England.
Amentum was named remediation partner for works inside the High Security Area and joins The Decommissioning Alliance (TDA) JV for pond retrievals. Amentum’s share of potential awards is up to £1.4 billion ($1.9 billion). Services include waste-led decommissioning, robotics, digital visualisation, geospatial analysis, AI tool Threadsafe, and robot-operated retrievals such as the Bulk Sludge Retrieval Tool.
Sellafield expects remediation spending to rise through 2040, subject to public spending constraints, with DNWP as the route for end-to-end high-hazard risk reduction.
Amentum (NYSE: AMTM) will host a conference call on November 25, 2025 at 8:30 AM EST to discuss fourth quarter and full fiscal year 2025 financial results for the period ending October 3, 2025.
A news release with results will be issued before the call. The call will be webcast and open to the public via a link on Amentum’s Investor Relations website, with a replay, earnings press release, presentation slides and supplemental financial disclosures available after the call.