Companies: 10,795·Total market cap: $144.5T
Amentum Holdings, Inc.

Amentum Holdings, Inc.

AMTMNYSEIndustrials● Active
$22.80
$-0.49(-2.10%)
Market Cap$5.6B
P/E Ratio—
52W High$38.11
52W Low$21.11
EmployeesOwnershipInsider Trades

Amentum Holdings, Inc. (AMTM) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · AMTM · as of Nov 25, 2025

Latest filing snapshot

50,000
-3,000-5.66%vs prior year

Amentum Holdings, Inc. (AMTM) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-10-03·Full-time · Global
Total Employees
50,000
Change (1Y)
-3,000
Growth % (1Y)
-5.66%
Revenue / Employee
$287.9K
Net Income / Employee
$1.3K
Market Cap
$5.6B

AMTM Employee Count

2024 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2025-11-2550,000-3,000-5.66%
2024-12-1753,000——

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Aerospace & Defense
#SymbolCompanyEmployees
#1
Amentum Holdings, Inc.
AMTM
Amentum Holdings, Inc.YOU
50,000#2
KBR, Inc.
KBR
KBR, Inc.
38,000#3
Moog Inc.
MOG-A
Moog Inc.
13,500#4
FTI Consulting, Inc.
FCN
FTI Consulting, Inc.
8,105#5
Hexcel Corporation
HXL
Hexcel Corporation
5,894#6
Mercury Systems, Inc.
MRCY
Mercury Systems, Inc.
2,364#7
GATX Corporation
GATX
GATX Corporation
2,150
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · AMTM peer comparison

About AMTM employees

AMTM Employees · Headcount

Amentum Holdings, Inc. (AMTM) employee data is sourced from the annual SEC 10-K filing. As of 2025, Amentum Holdings, Inc. had 50,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

Amentum Holdings, Inc. employs 50,000 full-time employees as of the latest filing within the Aerospace & Defense industry. Revenue per employee stands at $287,860, reflecting the company's operational efficiency.

Amentum Holdings, Inc.'s workforce decreased by 3,000 (5.66%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Amentum Holdings, Inc.'s revenue per employee of $287,860 positions it among the notable performers in the Aerospace & Defense sector for operational efficiency.

RevenueFinancial statementsNet incomeSEC filingsPrice historyForecast & ratingsOwnershipEarnings

Frequently Asked Questions

AMTM Employees · 5 questions

As of the latest SEC 10-K filing (2025), Amentum Holdings, Inc. had 50,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Amentum Holdings, Inc. employee counthow many employees does Amentum Holdings, Inc. haveAMTM total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2025-11-25