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

538 institutions reported holding $4.46B of AMENTUM (AMTM) in SEC 13F filings for 2026-06-30. Largest institutional holders: AMERICAN SECURITIES LLC ($930.7M), Invesco Ltd. ($515.8M), BlackRock, Inc. ($370.1M), VANGUARD GROUP INC ($329.3M), PRIMECAP MANAGEMENT CO/CA/ ($253.9M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1AMERICAN SECURITIES LLC$930.7M45.0MHold
2Invesco Ltd.$515.8M25.0MAdded
3BlackRock, Inc.$370.1M17.9MAdded
4VANGUARD GROUP INC$329.3M15.9MAdded
5PRIMECAP MANAGEMENT CO/CA/$253.9M12.3MAdded
6FMR LLC$117.4M5.7MAdded
7DIMENSIONAL FUND ADVISORS LP$114.5M5.5MAdded
8STATE STREET CORP$106.5M5.2MAdded
9FRONTIER CAPITAL MANAGEMENT CO LLC$85.7M4.1MTrimmed
10Troluce Capital Advisors LLC$73.7M3.6MAdded
11GEODE CAPITAL MANAGEMENT, LLC$56.2M2.7MTrimmed
12GOLDMAN SACHS GROUP INC$56.1M2.7MAdded
13MORGAN STANLEY$55.0M2.7MAdded
14MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$47.9M2.3MTrimmed
15THOMPSON SIEGEL & WALMSLEY LLC$47.2M2.3MAdded
16SEGRA CAPITAL MANAGEMENT, LLC$46.3M2.2MAdded
17MILLENNIUM MANAGEMENT LLC$44.0M2.1MAdded
18Sixth Street Partners Management Company, L.P.$43.8M2.1MNew
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC$43.8M2.1MAdded
20Thrivent Financial for Lutherans$43.5M2.1MAdded
21BANK OF AMERICA CORP /DE/$42.2M2.0MTrimmed
22Verition Fund Management LLC$41.7M2.0MAdded
23VAN ECK ASSOCIATES CORP$41.1M2.0MAdded
24Voya Investment Management LLC$40.8M2.0MAdded
25UBS Group AG$31.9M1.5MTrimmed

来源：SEC 13F 申报文件 · 截至 2026-06-30