Amentum Holdings, Inc. (AMTM)
SEC filings, insider trading & institutional ownership from EDGAR.
Institutions
41
$2.33B held
Latest filings
10-K, 10-Q, 8-K, Form 4 & 13D/G. Sourced directly from SEC EDGAR
No filings are available yet.
Top holders
13F & 13D/G · latest quarter
| Holder | Filed | Value |
|---|---|---|
| Invesco Ltd. | Aug 14, 2026 | $515.80M |
| BlackRock, Inc. | Aug 7, 2026 | $370.14M |
| PRIMECAP MANAGEMENT CO/CA/ | Aug 14, 2026 | $253.94M |
| Vanguard Portfolio Management | Aug 13, 2026 | $164.29M |
| Vanguard Capital Management | Aug 13, 2026 | $138.74M |
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Data as of Aug 29, 2026Source: SEC EDGAR.