Qube Research & Technologies (QRT)
AMTM

Qube Research & Technologies (QRT)’s Amentum Holdings AMTM Stock Holding History

Qube Research & Technologies (QRT)’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
2026
Q2 		$21.4M Buy
1,034,395
+957,026
+1,237% +$23.1M 0.02% 883
2026
Q1 		$2.02M Sell
77,369
-68,813
-47% -$2.16M ﹤0.01% 2171
2025
Q4 		$4.24M Buy
+146,182
New +$3.74M ﹤0.01% 1858
2024
Q4 		– Sell
-35,958
Closed -$1.16M – 3882
2024
Q3 		$1.16M Buy
+35,958
New +$1.02M ﹤0.01% 1976

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 $3.37T AUM 44.26% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Qube Research & Technologies (QRT)'s AMTM Position: Q2 2026 in Review

Qube Research & Technologies (QRT) increased its Amentum Holdings (AMTM) stake by 1,237% in Q2 2026, buying an estimated $23.1M and bringing the position to 1,034,395 shares worth $21.4M. The position accounts for 0.02% of the portfolio, ranked #883.

Qube Research & Technologies (QRT) first reported a position in AMTM in Q3 2024 and has held it in 4 quarters since. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Qube Research & Technologies (QRT) held 1,034,395 shares of Amentum Holdings worth $21.4M as of Q2 2026.
  • Qube Research & Technologies (QRT) bought 957,026 Amentum Holdings shares in Q2 2026, an estimated $23.1M.
  • Amentum Holdings made up 0.02% of Qube Research & Technologies (QRT)'s portfolio in Q2 2026, its #883 holding.
  • Qube Research & Technologies (QRT) first reported a position in Amentum Holdings in Q3 2024 and has held it in 4 quarters since.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Qube Research & Technologies (QRT)'s 13F filing for Q2 2026, filed 14 Aug 2026.