Who Owns AMENTUM HOLDINGS INC (AMTM)? -- Institutional Holders (2026-06-30)

530 institutions reported holding $3.52B of AMENTUM HOLDINGS INC (AMTM) in SEC 13F filings for 2026-06-30. Largest institutional holders: Invesco Ltd. ($515.8M), BlackRock, Inc. ($370.1M), VANGUARD GROUP INC ($329.3M), PRIMECAP MANAGEMENT CO/CA/ ($253.9M), FMR LLC ($117.4M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1Invesco Ltd.$515.8M25.0MAdded
2BlackRock, Inc.$370.1M17.9MAdded
3VANGUARD GROUP INC$329.3M15.9MAdded
4PRIMECAP MANAGEMENT CO/CA/$253.9M12.3MAdded
5FMR LLC$117.4M5.7MAdded
6DIMENSIONAL FUND ADVISORS LP$114.5M5.5MAdded
7STATE STREET CORP$106.5M5.2MAdded
8FRONTIER CAPITAL MANAGEMENT CO LLC$85.7M4.1MTrimmed
9Troluce Capital Advisors LLC$73.7M3.6MAdded
10GEODE CAPITAL MANAGEMENT, LLC$56.2M2.7MTrimmed
11GOLDMAN SACHS GROUP INC$56.1M2.7MAdded
12MORGAN STANLEY$55.0M2.7MAdded
13MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$47.9M2.3MTrimmed
14THOMPSON SIEGEL & WALMSLEY LLC$47.2M2.3MAdded
15SEGRA CAPITAL MANAGEMENT, LLC$46.3M2.2MAdded
16MILLENNIUM MANAGEMENT LLC$44.0M2.1MAdded
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC$43.8M2.1MAdded
18Sixth Street Partners Management Company, L.P.$43.8M2.1MNew
19Thrivent Financial for Lutherans$43.5M2.1MAdded
20BANK OF AMERICA CORP /DE/$42.2M2.0MTrimmed
21Verition Fund Management LLC$41.7M2.0MAdded
22VAN ECK ASSOCIATES CORP$41.1M2.0MAdded
23Voya Investment Management LLC$40.8M2.0MAdded
24UBS Group AG$31.9M1.5MTrimmed
25NORGES BANK$31.3M1.5MTrimmed

Source: SEC Form 13F filings · as of 2026-06-30