Amentum Holdings, Inc. ((AMTM)) has held its Q4 earnings call. Read on for the main highlights of the call.
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Amentum Holdings, Inc. recently held its earnings call for fiscal year 2025, revealing a positive sentiment driven by strong revenue growth, strategic contract acquisitions, and effective debt management. Despite facing challenges such as a government shutdown and a contract protest, the company remains optimistic about its future growth prospects in its core and expanding markets.
Record Revenue Growth
Amentum reported an impressive $14.4 billion in revenue for fiscal year 2025, marking a 4% pro forma growth. This was complemented by a 5% increase in adjusted EBITDA, reaching $1.1 billion. These figures underscore the company’s robust financial health and its ability to generate significant revenue.
Strong Book-to-Bill Ratio
The company achieved a full-year book-to-bill ratio of 1.2x and an even more impressive quarterly ratio of 1.6x. With a backlog growth of 5%, reaching $47 billion, Amentum demonstrates its strong market position and ability to secure future business.
Major Contract Wins
Amentum secured several significant contracts, including a $4 billion contract with the U.S. Space Force and a $1.8 billion contract with NASA Cosmos. These wins highlight the company’s strategic positioning in key sectors such as space exploration and defense.
Debt Reduction
The company successfully reduced its net leverage to 3.2x by repaying $750 million in debt throughout the year. This financial maneuvering strengthens Amentum’s balance sheet and positions it well for future investments and growth.
Nuclear Center of Excellence
Amentum has opened a new Nuclear Center of Excellence in Oak Ridge, Tennessee. This facility enhances the company’s capabilities in nuclear expertise, aligning with its strategic focus on expanding in the nuclear energy sector.
Impact of Government Shutdown
The recent government shutdown is anticipated to impact Amentum’s fiscal year 2026 revenues by approximately 1%. This is due to reduced government spending and delays in contract award decisions, which could affect short-term financial performance.
Protest on NASA Cosmos Contract
The $1.8 billion NASA Cosmos contract is currently under protest, affecting its inclusion in Amentum’s backlog and book-to-bill results. This situation introduces an element of uncertainty in the company’s contract portfolio.
Forward-Looking Guidance
Looking ahead, Amentum has set its revenue expectations for fiscal 2026 between $13.95 billion and $14.3 billion, with adjusted EBITDA projected to range from $1.1 billion to $1.14 billion. The company anticipates adjusted diluted EPS between $2.25 and $2.45. Amentum is strategically positioning itself for sustained growth through its focus on space systems, nuclear energy, and digital infrastructure, while maintaining operational excellence and leveraging its strong balance sheet.
In summary, Amentum Holdings, Inc. has demonstrated a strong financial performance in fiscal year 2025, with significant revenue growth and strategic contract wins. Despite challenges such as a government shutdown and contract protests, the company remains well-positioned for future growth. The forward-looking guidance reflects Amentum’s commitment to maintaining its momentum and achieving its strategic objectives in the coming years.

