State of Wisconsin Investment Board
AMTM

State of Wisconsin Investment Board’s Amentum Holdings AMTM Stock Holding History

State of Wisconsin Investment Board’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 		$2.66M Sell
101,983
-1,699
-2% -$53.3K 0.01% 1295
2025
Q4 		$3.01M Buy
103,682
+12,284
+13% +$314K 0.01% 1223
2025
Q3 		$2.19M Sell
91,398
-459
-0.5% -$11.2K 0.01% 1320
2025
Q2 		$2.17M Sell
91,857
-3,857
-4% -$80.6K 0.01% 1267
2025
Q1 		$1.74M Buy
95,714
+21,091
+28% +$430K ﹤0.01% 1294
2024
Q4 		$1.57M Sell
74,623
-35,634
-32% -$921K ﹤0.01% 1372
2024
Q3 		$3.56M Buy
+110,257
New +$3.14M 0.01% 1088

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
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