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AMTM

Amentum Holdings, Inc.Pre-market

18.92−0.37 −1.92%USD

NYSE · as of Oct 12, 16:00 ET · 20m delayPre-market 18.85 −0.37%

Open

19.40

Prev close

19.29

Day range

18.9219.47

52-week range

17.7238.11

Volume

1.61M0.79×

Mkt cap

4.63B

P/E ttm

22.26

Fwd P/E

7.17

EPS ttm

0.8500

Div yield

0.00%

Earnings

Aug 10, 2026

From 52w high

−50.35%

Price Chart

Yahoo Finance · delayed

AMTMOct 12, 2026O 19.40H 19.47L 18.91C 18.92−0.37 (−1.92%)Vol 1.61M

SMA 5020.36
SMA 20025.25

1Y change −19.11% since Oct 10, 2025 close514 bars loadedTimes in America/New_YorkDraw from the left toolbar · click a drawing to edit · right-click for alerts and export

AMTM Amentum Holdings, Inc. · Last Guard Finance

DES

Key Statistics

Yahoo Finance

Performance

1 week: +3.73%
1 month: −2.77%
3 months: −7.39%
6 months: −31.37%
Year to date: −34.76%
1 year: −19.11%

Valuation & ownership

Market cap: 4.63B
Enterprise value: 8.09B
P/E (ttm): 22.26
Forward P/E: 7.17
PEG ratio: —
Price / book: 0.98
Price / sales (ttm): 0.33
EV / EBITDA: 8.04
EPS (ttm): 0.8500
EPS (forward): 2.64
Beta (5y monthly): 0.31
Dividend yield: 0.00%
Payout ratio: 0.00%
Shares outstanding: 244.51M
Float: 152.53M
Short % of float: 8.01%
Short ratio (days): 7.13
Held by insiders: 1.17%
Held by institutions: 109.31%
Avg volume (3m): 2.03M
50-day average: 20.36
200-day average: 25.25
52-week change: −19.11%
S&P 500 52-week: +17.50%

Technicals (daily)

RSI (14): 45.7
vs 50-day SMA: −7.08%
vs 200-day SMA: −25.07%
50 / 200-day trend: ▼ 50 below 200
MACD vs signal: ▲ above
ATR (14) % of price: 3.38%
Realised vol (20d, ann.): 30.6%
From 52-week high: −50.35%
From 52-week low: +6.77%

ANR

Analyst Consensus

12 analysts

Consensus

Buy

2.33 on a 1 (strong buy) – 5 (sell) scale

Mean target

29.33

+55.04% implied

Low 20.00Median 28.00High 40.00

Recommendation trend

Now5 / 7 / 0
1m ago

DES

About Amentum Holdings, Inc.

Yahoo Finance profile

Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.

Sector: Industrials
Industry: Specialty Business Services
Employees: 50,000
Headquarters: Chantilly, VA, United States
Website: amentum.com
Officers: Mr. Steven J. Demetriou Executive Chair
Mr. John E. Heller CEO & Director
Mr. Travis Barton Johnson Chief Financial Officer
Mr. Stephen A Arnette Chief Operating Officer

SEAS

Seasonality · AMTM

2024–2026 · monthly returns

Strongest month Apr +19.89%Weakest month Mar −7.33%Averages use completed years only. Past seasonality doesn't predict future returns.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	23.4	-16.5	-12.7	0.6	-11.4	-11.0	7.4	-10.0	-9.4	4.4			−34.8%
2025	-0.3	-6.3	-7.3	19.9	-5.3	14.3	5.8	-0.1	-4.0	-6.4	27.8	1.3	+37.9%
2024										-7.8	-18.1	-13.6	−34.8%

INSD

Insider Activity · AMTM

Congress trades →SEC Form 4 filings via Yahoo Finance

Buys, 6 months

0 shares

Sells, 6 months

— shares

Net shares

Net change in insider shares

—

Date	Insider	Transaction	Shares	Value
May 5, 2026	Heller John EChief Executive Officer	—	18.1K	—
May 5, 2026	Johnson Travis BartonChief Financial Officer	—	13.6K	—
May 5, 2026	Arnette Stephen AChief Operating Officer	—	13.6K	—
May 5, 2026	Bruning Jill LChief Technology Officer	—	9.1K	—
May 5, 2026	Mullen Sean ThomasOfficer	—	9.1K	—
Mar 3, 2026	Bruning Jill LChief Technology Officer	Stock Gift at price 0.00 per share.	30K	—
Mar 1, 2026	Arnette Stephen AChief Operating Officer	—	2.8K	—
Feb 16, 2026	St. Mary Michele TGeneral Counsel	—	7.1K	—
Feb 5, 2026	Brooks Vincent KDirector	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Thompson Christopher M TDirector	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Rowland Sandra EDirector	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Ireland Susan LeslieDirector	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Vollmer John C.Director	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Loughran BarbaraDirector	Stock Award(Grant) at price 0.00 per share.	5.1K	—
Feb 5, 2026	Rowland Sandra EDirector	—	11.6K	—
Feb 5, 2026	Vollmer John C.Director	—	11.6K	—
Feb 5, 2026	Brooks Vincent KDirector	—	11.6K	—
Jan 27, 2026	Heller John EChief Executive Officer	—	52K	—
Dec 16, 2025	Mullen Sean ThomasOfficer	—	9.3K	—
Dec 4, 2025	Burton DarrenOfficer	—	2.7K	—

AMTM

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Price Chart

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About Amentum Holdings, Inc.

Seasonality · AMTM

Insider Activity · AMTM

Congress Trades · AMTM

Congress Trades · AMTM

Insider Activity · AMTM

Seasonality · AMTM

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About Amentum Holdings, Inc.

Financial Snapshot

Earnings & Dividends

News