JP Morgan Chase
AMTM

JP Morgan Chase’s Amentum Holdings AMTM Stock Holding History

JP Morgan Chase’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 		$2.6M Buy
119,174
+34,402
+41% +$832K ﹤0.01% 4003
2026
Q1 		$2.13M Sell
84,772
-4,519
-5% -$142K ﹤0.01% 4054
2025
Q4 		$2.59M Sell
89,291
-15,480
-15% -$396K ﹤0.01% 3886
2025
Q3 		$2.51M Buy
104,771
+13,449
+15% +$327K ﹤0.01% 3908
2025
Q2 		$2.16M Buy
91,322
+3,608
+4% +$75.4K ﹤0.01% 3856
2025
Q1 		$1.6M Sell
87,714
-25,960
-23% -$529K ﹤0.01% 4027
2024
Q4 		$2.39M Sell
113,674
-157,295
-58% -$4.07M ﹤0.01% 4013
2024
Q3 		$8.74M Buy
+270,969
New +$7.72M ﹤0.01% 2724

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

JP Morgan Chase's AMTM Position: Q2 2026 in Review

JP Morgan Chase increased its Amentum Holdings (AMTM) stake by 41% in Q2 2026, buying an estimated $832K and bringing the position to 119,174 shares worth $2.6M. The position accounts for ﹤0.01% of the portfolio, ranked #4003.

JP Morgan Chase first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $8.74M in Q3 2024. 460 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • JP Morgan Chase held 119,174 shares of Amentum Holdings worth $2.6M as of Q2 2026.
  • JP Morgan Chase bought 34,402 Amentum Holdings shares in Q2 2026, an estimated $832K.
  • Amentum Holdings made up ﹤0.01% of JP Morgan Chase's portfolio in Q2 2026, its #4003 holding.
  • JP Morgan Chase first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • JP Morgan Chase's Amentum Holdings position peaked at $8.74M in Q3 2024.
  • 460 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on JP Morgan Chase's 13F filing for Q2 2026, filed 12 Aug 2026.