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Amentum Holdings shares owned by American Securities

Quarter-by-quarter ownership of Amentum Holdings (AMTM) shares owned by American Securities from 13F filings

Historical chart of American Securities investment in Amentum Holdings

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All positions including Amentum Holdings held by American Securities consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amentum Holdings by American Securities

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.1B 45M 23.95
2025-06-30 $1.1B 45M 23.61
2025-03-31 $799M 44M 18.20
2024-12-31 $923M 44M 21.03

More positions owned by American Securities