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Amentum Holdings, Inc. Shares Outstanding 2022–2025

Amentum Holdings, Inc. reported 243.5M of shares outstanding for fiscal 2025. That was 0.1% higher than fiscal 2024. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details.

Latest filed value
243.5M
One-year change
+0.1%
Change since 2022
Latest period end
2025-09-30
Amentum Holdings, Inc. Shares Outstanding history from 2022 to 2025FY 2022: 0FY 2023: 0FY 2024: 243302173FY 2025: 243464776
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 2025243.5M+0.1%
FY 2024243.3M
FY 20230.0M
FY 20220.0M

Source: Amentum Holdings, Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open AMTM 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Amentum Holdings, Inc. reported 243.5M of shares outstanding for fiscal 2025. That was 0.1% higher than fiscal 2024. A rising share count can dilute per-share ownership; the filings should be checked for issuance and stock-compensation details. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Amentum Holdings, Inc. — frequently asked questions

What is Amentum Holdings, Inc.'s shares outstanding?

Amentum Holdings, Inc. (AMTM) reported shares outstanding of 243.5M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Amentum Holdings, Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

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