State Street
AMTM

State Street’s Amentum Holdings AMTM Stock Holding History

State Street’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
Q1 		$132M Buy
5,079,041
+17,421
+0.3% +$547K ﹤0.01% 1206
2025
Q4 		$147M Sell
5,061,620
-1,771,756
-26% -$45.3M ﹤0.01% 1132
2025
Q3 		$164M Sell
6,833,376
-244,873
-3% -$5.96M 0.01% 1055
2025
Q2 		$167M Buy
7,078,249
+501,898
+8% +$10.5M 0.01% 1021
2025
Q1 		$120M Buy
6,576,351
+122,098
+2% +$2.49M ﹤0.01% 1175
2024
Q4 		$136M Sell
6,454,253
-873,055
-12% -$22.6M 0.01% 1164
2024
Q3 		$236M Buy
+7,327,308
New +$209M 0.01% 819

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $653B AUM 32.41% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return