Squarepoint
AMTM icon

Squarepoint’s Amentum Holdings AMTM Stock Holding History

Squarepoint’s Portfolio AMTM Stock Details AMTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-31,500
Closed -$744K – 5129
2025
Q2 		$744K Sell
31,500
-3,600
-10% -$75.2K ﹤0.01% 2919
2025
Q1 		$639K Buy
+35,100
New +$715K ﹤0.01% 3067

Other funds holding AMTM

American Securities
American Securities New York $2.69B AUM 8.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Thompson Siegel & Walmsley
Thompson Siegel & Walmsley Richmond, Virginia $5.37B AUM 3.99% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Loomis, Sayles & Company
Loomis, Sayles & Company Boston, Massachusetts $77.1B AUM 11.99% 1-Year Est. Return

Squarepoint's AMTM Position: Q3 2026 in Review

Squarepoint opened a new position in Amentum Holdings (AMTM) in Q3 2026: 47,506 shares worth $861K. The stake represents ﹤0.01% of the portfolio and ranks #2901 among its holdings. This is a return to the name: Squarepoint previously reported a position in AMTM as recently as Q4 2024.

Squarepoint first reported a position in AMTM in Q3 2024 and has held it in 3 quarters since. The position peaked at $1.27M in Q3 2024. 300 funds tracked by Wall St. Rank hold AMTM as of Q3 2026.

  • Squarepoint held 47,506 shares of Amentum Holdings worth $861K as of Q3 2026.
  • Amentum Holdings was a new Squarepoint position in Q3 2026.
  • Amentum Holdings made up ﹤0.01% of Squarepoint's portfolio in Q3 2026, its #2901 holding.
  • Squarepoint first reported a position in Amentum Holdings in Q3 2024 and has held it in 3 quarters since.
  • Squarepoint's Amentum Holdings position peaked at $1.27M in Q3 2024.
  • 300 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2026.

Based on Squarepoint's 13F filing for Q3 2026, filed 9 Nov 2026.