Stock Fundamentals

Company Information

Company Name
Amentum Holdings Inc.
Sector
Industrials
Industry
Specialty Business Services
Exchange
NYSE
ISIN: US0239391016
CIK: 0002011286
CUSIP: 37938Q101
Currency: USD
Full Time Employees: 50,000
Phone: 703 579 0410
Fiscal Year End: December
IPO Date: Sep 24, 2024
Description:

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.

Address:

4800 Westfields Blvd, Chantilly, VA, United States, 20151

Directors & Officers

Name Title Year Born
Mr. Steven J. Demetriou Executive Chair 1958
Mr. John E. Heller CEO & Director 1962
Mr. Travis Barton Johnson Chief Financial Officer 1985
Mr. Stephen A Arnette Chief Operating Officer 1967
Mr. Sean Mullen Chief Growth Officer 1968
Ms. Jill Bruning Chief Technology Officer 1958
Mr. Luis German Chief Information Officer NA
Mr. Joseph William DeNardi Senior VP & Head of Investor Relations NA
Ms. Karina Vollmer Chief Ethics & Compliance Officer NA
Ms. Michele St. Mary Chief Legal Officer, General Counsel & Corporate Secretary 1970

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Feb 18, 2025 Barbara Loughran N/A Purchase 4.60K $21.23 $97.66K
Feb 12, 2025 Steven J Demetriou N/A Purchase 100.00K $20.81 $2.08M

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
AMERICAN SECURITIES LLC 45.03M Mar 31, 2026 18.45% $29.88 0.00%
Amvescap Plc. 21.47M Mar 31, 2026 8.80% $0.09 -1.65%
BlackRock Inc 17.84M Mar 31, 2026 7.31% $0.01 2.19%
Vanguard Group Inc 15.41M Dec 31, 2025 6.31% $0.01 -0.92%
PRIMECAP Management Company 12.09M Mar 31, 2026 4.95% $0.25 -0.34%
Legacy Advisors, LLC 9.06M Mar 31, 2026 3.71% $1.07 -7.64%
FMR Inc 5.58M Mar 31, 2026 2.29% $0.01 -16.83%
State Street Corp 5.08M Mar 31, 2026 2.08% $0.00 0.34%
Frontier Capital Management CO Inc 4.93M Mar 31, 2026 2.02% $1.32 -14.60%
Dimensional Fund Advisors, Inc. 3.79M Mar 31, 2026 1.55% $0.02 106.63%
Geode Capital Management, LLC 2.81M Mar 31, 2026 1.15% $0.00 5.83%
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 2.79M Mar 31, 2026 1.14% $0.10 41.96%
The Colony Group LLC 2.60M Mar 31, 2026 1.07% $0.08 -6.78%
Bank of America Corp 2.41M Mar 31, 2026 0.99% $0.00 107.79%
NORGES BANK 2.29M Dec 31, 2025 0.94% $0.01 6.17%
Morgan Stanley - Brokerage Accounts 2.23M Mar 31, 2026 0.92% $0.00 7.69%
Thrivent Financial For Lutherans 2.10M Mar 31, 2026 0.86% $0.10 1.52%
Arvin Capital Management LP 2.07M Mar 31, 2026 0.85% $6.59 26.56%
Charles Schwab Investment Management Inc 2.07M Mar 31, 2026 0.85% $0.01 5.94%
UBS Group AG 1.71M Mar 31, 2026 0.70% $0.01 730.06%

Shares Statistics

Shares Outstanding: 244.32M
Shares Float: 152.34M
% Insiders: 217.00%
% Institutions: 10,772.90%
Short % Float: 9.03%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 iShares Core S&P Small-Cap ETF 9.37M 3.84% ▲ 0.02% Apr 30, 2026
2 Vanguard PRIMECAP Core Inv 5.27M 2.16% ▲ 0.01% Mar 31, 2026
3 Vanguard Total Stock Mkt Idx Inv 4.66M 1.91% ▲ 0.30% Apr 30, 2026
4 Invesco Small Cap Value A 4.23M 1.73% ▲ 13.20% Apr 30, 2026
5 Vanguard Small Cap Index 3.37M 1.38% ▼ 0.21% Apr 30, 2026
6 Invesco Value Opportunities A 2.95M 1.21% ▲ 19.46% Apr 30, 2026
7 Vanguard Capital Opportunity Inv 2.58M 1.06% ▼ 0.76% Mar 31, 2026
8 VanEck Defense ETF A USD Acc 2.17M 0.89% ▲ 0.00% Apr 30, 2026
9 Vanguard Small Cap Value Index Inv 2.17M 0.89% ▲ 0.72% Apr 30, 2026
10 PRIMECAP Odyssey Stock 1.85M 0.76% ▼ 0.46% Mar 31, 2026

Valuation Metrics

Enterprise Value: $9.38B
Trailing P/E: 38.58
Forward P/E: 8.72

Financial Highlights

Market Cap: $5.66B
EBITDA: $998.00M
P/E Ratio: $38.58
Book Value: $18.88
Earnings/Share: $0.60
Profit Margin: 1.04%
Operating Margin: 4.11%
ROA (TTM): 2.86%
ROE (TTM): 2.89%
Revenue (TTM): $14.20B
Revenue/Share (TTM): $58.32
Earnings Growth (YOY): 1,236.60%
Revenue Growth (YOY): -0.40%

Stock Price History

1 Year Price History

2 Years Price History

5 Years Price History

10 Years Price History

Financial Charts

Revenue & Net Income (Yearly)

Revenue & Net Income (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Earnings Per Share (EPS) History

Financial Ratios

Balance Sheet (Yearly)

Financial Ratios

Date Current Ratio Debt/Equity Debt/Assets Interest Coverage Debt/EBITDA
2025-12-31 1.32x 0.89x 0.60x 1.42x 3.92x
2024-12-31 1.57x 1.06x 0.62x 0.66x 8.39x
2023-12-31 1.40x 11.11x 0.94x 0.14x 10.90x
2022-12-31 1.91x 0.06x 0.22x 0.79x 0.48x
2021-12-31 N/A N/A N/A 2.43x 0.00x

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