Amentum Holdings, Inc.

Listed Company
AMTMCIK 0002011286NYSELarge AcceleratedServices-Business Services, NecDelawareFY ends Oct 2
Period
FY 2025
Revenue
$14.39B
Net Income
$66.00M
Total Assets
$11.46B
Equity
$4.50B
Shares Out
244.32M
Op. Cash Flow
$543.00M
AMTM$20.67−19.19% · past yearDBEQ Basic
Daily closing prices

Business

Amentum Holdings, Inc. is a global advanced engineering and technology solutions provider delivering full mission-lifecycle solutions to U.S. federal government agencies, allied governments, and commercial customers. The company offers environmental remediation, nuclear power solutions, space systems, intelligence analytics, cybersecurity, digital modernization, and research & development capabilities across energy, defense, intelligence, space, and civilian markets. Operating through Digital Solutions and Global Engineering Solutions segments, Amentum serves the Department of Energy, Intelligence Community, Department of Defense, NASA, and international customers including the U.K. Ministry of Defence and Australian Department of Defence.

Summary from 10-K filed 2025-11-25

Financials

Consolidated Statement of Income

Year Ended · In millions, except per-share amounts
ConceptTrend
FY 2025
2025-09-30
FY 2024
2024-09-30
FY 2023
2023-09-30
FY 2022
2022-09-30
Revenues14,3938,3887,8657,676
Cost of revenues−12,880−7,590−7,083−6,905
Selling, general, and administrative expenses−616−353−297−308
Amortization of intangibles−479−228−298−272
Equity earnings of non-consolidated subsidiaries62745638
Goodwill impairment charges00−186−108
Operating income48029157121
Interest expense and other, net−353−438−397−153
Loss on extinguishment of debt−12−450−32
Gain on acquisition of controlling interest06900
Income (loss) before income taxes115−123−340−64
(Provision) benefit for income taxes−564019−14
Net income (loss) including non-controlling interests59−83−321−78
Less: net income attributable to non-controlling interests717−6
Net income (loss) attributable to common shareholders66−82−314−84
Basic (in dollars per share)0.27−0.9−3.49−0.93
Diluted (in dollars per share)0.27−0.9−3.49−0.93

Filings

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Frequently asked questions

What is Amentum Holdings, Inc.'s CIK number?

Amentum Holdings, Inc.'s SEC CIK number is 0002011286 (2011286). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.

Where can I find Amentum Holdings, Inc.'s SEC filings?

All of Amentum Holdings, Inc.'s EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.

When did Amentum Holdings, Inc. last report earnings?

Amentum Holdings, Inc. (AMTM) most recently filed an earnings 8-K with the SEC on May 11, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001628280-26-033648). This is Amentum Holdings, Inc.'s most recent earnings filing of record — not a forecast of its next earnings date.

What is Amentum Holdings, Inc.'s most recent earnings 8-K?

Amentum Holdings, Inc.'s latest earnings 8-K (Item 2.02) was filed May 11, 2026 under accession 0001628280-26-033648. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.

View Amentum Holdings, Inc.'s latest earnings 8-K →
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