Tudor Investment Corp
AMTM

Tudor Investment Corp’s Amentum Holdings AMTM Stock Holding History

Tudor Investment Corp’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
Q4 		– Sell
-49,133
Closed -$1.18M – 4172
2025
Q3 		$1.18M Buy
+49,133
New +$1.2M ﹤0.01% 2148
2025
Q2 		– Sell
-10,046
Closed -$210K – 3866
2025
Q1 		$183K Buy
+10,046
New +$205K ﹤0.01% 2883

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Tudor Investment Corp's AMTM Position: Q4 2025 in Review

Tudor Investment Corp sold out of Amentum Holdings (AMTM) in Q4 2025, closing a stake of 49,133 shares — an estimated $1.18M sold.

Tudor Investment Corp first reported a position in AMTM in Q1 2025 and held it in 2 quarters. The position peaked at $1.18M in Q3 2025. 483 funds tracked by Wall St. Rank hold AMTM as of Q4 2025.

  • Tudor Investment Corp reported no remaining Amentum Holdings position as of Q4 2025 after selling out during the quarter.
  • Tudor Investment Corp sold 49,133 Amentum Holdings shares in Q4 2025, an estimated $1.18M.
  • Tudor Investment Corp first reported a position in Amentum Holdings in Q1 2025 and held it in 2 quarters.
  • Tudor Investment Corp's Amentum Holdings position peaked at $1.18M in Q3 2025.
  • 483 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2025.

Based on Tudor Investment Corp's 13F filing for Q4 2025, filed 17 Feb 2026.