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AM

NYSE · AMTM

Amentum Holdings, Inc.

Industrials · Aerospace & Defense

$21.87

Down-$0.20 (-0.91%)

Updated Oct 31, 2026, 5:39 AM

SID Score

4.5/10

Composite research score

Smart Money

58/100

Neutral

Market cap
7.28B
P/E ratio
74.37
Dividend yield
0.00%
52-week range
$17.72 – $38.11
Volume
3.04M
Avg. volume
2.19M

Price performance · AMTM

AMTM price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

AMTM closed at $21.87 after 21 trading sessions, up 20.56% for the selected period.

Last close
$21.87
Period change
+20.56%
Period low
$18.13
Period high
$22.07
Daily close
View OHLC price history
AMTM OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 30, 2026$22.06$22.47$21.58$21.873.04M
Oct 29, 2026$22.00$22.37$21.93$22.072.02M
Oct 28, 2026$21.59$21.90$21.355$21.691.66M
Oct 27, 2026$21.97$22.2426$21.73$21.752.01M
Oct 26, 2026$21.80$22.50$21.80$22.071.85M
Oct 23, 2026$21.02$21.79$20.64$21.762.08M
Oct 22, 2026$20.09$21.35$20.035$21.292.41M
Oct 21, 2026$19.97$20.38$19.82$20.151.63M
Oct 20, 2026$19.46$19.94$19.27$19.871.39M
Oct 19, 2026$19.43$19.60$19.2706$19.481.22M
Oct 16, 2026$19.16$19.59$18.97$19.522.09M
Oct 15, 2026$18.23$19.14$18.23$19.091.48M
Oct 14, 2026$18.33$18.67$18.00$18.131.07M
Oct 13, 2026$18.97$18.97$18.47$18.521.22M
Oct 12, 2026$19.40$19.4719$18.91$18.921.61M
Oct 9, 2026$19.06$19.40$18.96$19.291.27M
Oct 8, 2026$18.37$18.97$18.1001$18.973.42M
Oct 7, 2026$18.59$18.70$18.0901$18.511.78M
Oct 6, 2026$18.41$18.93$18.31$18.771.89M
Oct 5, 2026$18.12$18.63$18.02$18.242M
Oct 2, 2026$18.59$18.59$17.72$18.142.31M

Latest AMTM news

The latest Smart Investors Daily articles mentioning AMTM.

Stock researchCompany · Overview

AMTM research

Overview

Company profile and research snapshot.

Company profile

Amentum Holdings Inc is an engineering and technology solutions provider serving U.S. and allied government agencies, as well as international and commercial customers across energy and environmental, intelligence, space, defense, civilian and commercial markets. It provides environmental remediation, intelligence and counter-threat solutions, data analytics, engineering and integration, testing, training and citizen services. The company operates through two segments: Digital Solutions, offering digital and data-driven services, and Global Engineering Solutions, providing environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management. majority of its revenue comes from the Global Engineering Solutions segment and from the United States.

Visit company website

Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$33.00
Implied upside
—
Analysts
—
AMTM recent ratings
DateFirmRatingTarget
Oct 28, 2026RBC CapitalSector Perform—
Oct 6, 2026BNP ParibasNeutral—
Aug 17, 2026JP MorganNeutral—
Aug 12, 2026RBC CapitalSector Perform—
Aug 12, 2026UBSNeutral—
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News briefing

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Yahoo · Oct 22, 2026

Amentum (AMTM) Stock Looks About Right Despite New Nuclear Hub

Amentum Holdings has fallen sharply year to date, yet the stock has picked up some short term momentum, which puts fresh focus on what investors are paying for its earnings. With the share price around US$20.15, the question is how well that tag lines up with the profits the business is generating today. The share price has declined 33.9% year to date, so anyone looking at Amentum now is effectively being asked whether that drop already reflects its earnings power. The new Global Nuclear...

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