Amentum Holdings, Inc. logo
AMTMAmentum Holdings, Inc.

Price History:-8.57%(TTM)

Over the latest trailing 12-month period, price cagr is -8.57%. The comparable SPY value is +20.86%. Year-to-date price return is -33.14%. Price CAGR uses adjusted close price history and excludes dividends.

Current Price

$20.38

$-0.58 (-2.77%)

Previous Close: $20.96

Last Session

Open
$20.88
Day High
$21.07
Day Low
$20.34
Volume
2.05M
Avg Volume
1.93M

52-Week Position

0%

of the 52-week price range

From 52-week high
-46.52%
From 52-week low
+0.20%

52-Week Price Range

52-Week Low

$20.34

Jun 24, 2026

Current Price

$20.38

0% of range

52-Week High

$38.11

Feb 6, 2026

Low (+0.20% from current)(-46.52% from current) High

Price Returns by Period

1 Day

-2.77%

7 Days

-5.91%

30 Days

-11.04%

YTD

-33.14%

1 Year

-12.00%

vs 52W High

-46.52%

AMTM Price Chart

End-of-day pricesAdvanced chart →
AMTM$20.38 -12.00%(1Y)as of Jun 24, 2026

Key Price Statistics

Current Price$20.38
Previous Close$20.96
Day Range$20.34 - $21.07
52-Week Range$20.34 - $38.11
Volume2.05M
Average Volume1.93M
Market Cap$4.97B
% from 52W High-46.52%
Data as of Thursday, June 25, 2026

About Amentum Holdings, Inc.

Amentum Holdings, Inc. is a provider of critical, technology-driven services, serving both governmental and commercial sectors. Its operations are structured around two distinct segments: Critical Mission Solutions and Cyber & Intelligence. The Critical Mission Solutions (CMS) segment delivers comprehensive support across various domains. This includes testing, training, and operational oversight for advanced missile defense systems. It also furnishes IT and engineering expertise to both defense organizations and the burgeoning space sector. Moreover, CMS offers technological solutions to energy clients, encompassing installation, decommissioning, and vital environmental remediation efforts, in addition to specialized technical consulting services. Meanwhile, the Cyber & Intelligence (C&I) segment focuses on advanced cyber training and sophisticated data analytics for government professionals. It also deploys cutting-edge communication systems and aerial mapping technologies for national security applications, alongside other specialized technical support for U.S. defense and intelligence agencies. Established on November 26, 2019, the company maintains its corporate headquarters in Chantilly, VA.

Chantilly, DE
53,000 employees
Industrials / Aerospace & Defense
Sector
Industrials
Industry
Aerospace & Defense
CEO
John E. Heller