BlackRock
AMTM

BlackRock’s Amentum Holdings AMTM Stock Holding History

BlackRock’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 		$465M Buy
17,841,283
+382,184
+2% +$12M 0.01% 1162
2025
Q4 		$506M Sell
17,459,099
-531,350
-3% -$13.6M 0.01% 1100
2025
Q3 		$431M Sell
17,990,449
-1,004,634
-5% -$24.5M 0.01% 1191
2025
Q2 		$448M Buy
18,995,083
+746,094
+4% +$15.6M 0.01% 1124
2025
Q1 		$332M Buy
18,248,989
+1,474,218
+9% +$30M 0.01% 1280
2024
Q4 		$353M Buy
16,774,771
+7,857,343
+88% +$203M 0.01% 1318
2024
Q3 		$288M Buy
+8,917,428
New +$254M 0.01% 1446

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
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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 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