SEC Filing Update: #AMTM Amentum Holdings, Inc. : $23.99

Sector: Others | YTD: 🔽 -21.37% The SEC disclosed Today (06-AUG-2026) that PRIMECAP MANAGEMENT CO CA has INCREASED #AMTM Shares by 1.66% 🟢 * Previous Holdings: 12.09M Shares * Current Holdings: 12.29M Shares * Increase+200.21K * Increased(%)+1.66% * Ownership: 5.03% * Estimated Investment Value: $4.59M https://www.thinksabio.com/reports/isr/AMTM Institutional ownership in #AMTM has been steadily rising over the past 3 quarters in Shares: Q3 2025: 193.52M Q4 2025: 203.79M Q1 2026: 211.03M