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AMTM

Cubist Systematic Strategies’s Amentum Holdings AMTM Stock Holding History

Cubist Systematic Strategies’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 		$1.64M Buy
+68,478
New +$1.67M 0.01% 1690
2024
Q4 		– Sell
-58,116
Closed -$1.87M – 3665
2024
Q3 		$1.87M Buy
+58,116
New +$1.66M 0.01% 1461

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.7B AUM 6.69% 1-Year Est. Return

Cubist Systematic Strategies's AMTM Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Amentum Holdings (AMTM) in Q3 2025: 68,478 shares worth $1.64M. The stake represents 0.01% of the portfolio and ranks #1690 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in AMTM as recently as Q3 2024.

Cubist Systematic Strategies first reported a position in AMTM in Q3 2024 and has held it in 2 quarters since. The position peaked at $1.87M in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Cubist Systematic Strategies held 68,478 shares of Amentum Holdings worth $1.64M as of Q3 2025.
  • Amentum Holdings was a new Cubist Systematic Strategies position in Q3 2025.
  • Amentum Holdings made up 0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #1690 holding.
  • Cubist Systematic Strategies first reported a position in Amentum Holdings in Q3 2024 and has held it in 2 quarters since.
  • Cubist Systematic Strategies's Amentum Holdings position peaked at $1.87M in Q3 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.