Amentum Holdings, Inc. Logo

Amentum Holdings, Inc. (1AMTM)

MTA

Currency in EUR
17.30
-0.20 (-1.11%)

Closed

Aug 25, 2026

Day's Range

17.25
17.30

52 wk Range

17.25
30.00

Profile - 1AMTM - Amentum Holdings, Inc.

Profile

Mic Code

XMIL

Sector

Industrials

Industry

Specialty Business Services

Employees

50K


Amentum Holdings Inc. is a publicly traded American engineering and technology services company specializing in solutions for government and commercial clients worldwide. Headquartered in Chantilly, Virginia, the company delivers mission-critical services across key sectors, including defense, intelligence, energy, environment, space, and civil infrastructure. Leveraging a workforce of over 53,000 employees in approximately 80 countries, Amentum supports programs of national and allied significance, such as advanced test and readiness operations, environmental sustainability, data fusion and analytics, engineering integration, and intelligence solutions. Recognized as one of the largest government services contractors in the United States, Amentum emerged in 2020 as a spinout from AECOM’s Management Services group and has grown through strategic acquisitions. Its market role centers on addressing complex challenges in security, science, and sustainability for both public and private sector clients, backed by robust technical expertise and global operational reach.

Profile Details

Type

Common Stock

Address

4800 Westfields Blvd

City

Chantilly

State

VA

Zip

20151

Country

United States

Phone

703 579 0410

Key Executives - 1AMTM - Amentum Holdings, Inc.

Key executives

NamePositionAgePay
Mr. John E. HellerCEO & Director632.77M
Mr. Joseph William DeNardiSenior VP & Head of Investor Relations--
Mr. Luis GermanChief Information Officer--
Ms. Jill BruningChief Technology Officer67-
Ms. Karina VollmerChief Ethics & Compliance Officer--
Ms. Michele St. MaryChief Legal Officer, General Counsel & Corporate Secretary55-
Mr. Steven J. DemetriouExecutive Chair672.32M
Mr. Travis Barton JohnsonChief Financial Officer401.67M
Mr. Stephen A ArnetteChief Operating Officer581.39M
Mr. Sean MullenChief Growth Officer571.20M

Cross Listings - 1AMTM - Amentum Holdings, Inc.

Also listed on

The same company trading on other exchanges.

The information on this page is provided for general informational purposes only and is not investment advice.

Market data provided by Twelve Data. Charting by TradingView.

Last updated:

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