Amentum Holdings

Amentum Holdings in Fortune Rankings

Amentum Holdings is a global engineering and technology services company that was formed in 2020 as a spinout from AECOM’s Management Services group, giving it a heritage rooted in government services, operations, and technical support. Headquartered in Chantilly, Virginia, the company serves U.S. government agencies, allied partners, and commercial customers with mission-critical solutions across defense, intelligence, space, nuclear, environmental, and infrastructure markets. The company’s modern form came together through a series of major portfolio moves. In 2024, Amentum was formed through the completion of a merger between the legacy Amentum business and a spin-off of the Jacobs Solutions Critical Mission Solutions business and portions of the Jacobs Divergent Solutions business.

Updated:6/3/26
Country/Territory:U.S.
Headquarters:Chantilly, Va.
Industry:Information Technology Services
CEO:John E. Heller
Website:https://www.amentum.com/

Ticker:AMTM
Company type:Public
Revenues ($M):$14,393
Profits ($M):$66
Market value ($M):$6,362
Number of employees:50,000

Spun off from Jacobs Solutions (2025 rank: 369), Sept. 27, 2024. Figures are for fiscal year ended Sept. 30, 2025. Market value as of March 31, 2026.

$ millions% change
Revenues ($M):$14,393-
Profits ($M):$66-
Assets ($M):$11,460-
Total Stockholder Equity ($M):$4,505-

Profit as % of Revenues:0.5%
Profits as % of Assets:0.6%
Profits as % of Stockholder Equity:1.5%

Earnings Per Share ($):0.30
EPS % Change (from prior fiscal year):-
EPS % Change (5 year annual rate):-
EPS % Change (10 year annual rate):-

Total Return to Investors (last year):37.9%
Total Return to Investors (5 year, annualized):-
Total Return to Investors (10 year, annualized):-

Amentum Holdings stock chart

Amentum Holdings in Fortune Rankings

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