Millennium Management’s Amentum Holdings AMTM Stock Holding History
Bought
Maintained
Sold
Other funds holding AMTM
AS
FCM
Millennium Management's AMTM Position: Q2 2026 in Review
Millennium Management increased its Amentum Holdings (AMTM) stake by 237% in Q2 2026, buying an estimated $36.2M and bringing the position to 2,127,779 shares worth $44M. The position accounts for 0.02% of the portfolio, ranked #980.
Millennium Management first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $110M in Q2 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.
- Millennium Management held 2,127,779 shares of Amentum Holdings worth $44M as of Q2 2026.
- Millennium Management bought 1,496,724 Amentum Holdings shares in Q2 2026, an estimated $36.2M.
- Amentum Holdings made up 0.02% of Millennium Management's portfolio in Q2 2026, its #980 holding.
- Millennium Management first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
- Millennium Management's Amentum Holdings position peaked at $110M in Q2 2025.
- 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.
Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.