WPG Advisers’s Amentum Holdings AMTM Stock Holding History

WPG Advisers’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
2025 Q3	–	Sell	-1	Closed	-$24	–	1492
2025 Q2	$24	Buy	+1	New	+$21	﹤0.01%	1426

Other funds holding AMTM

American Securities New York $3.93B AUM 52.22% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return

TSW

Thompson Siegel & Walmsley Richmond, Virginia $5.7B AUM 6.69% 1-Year Est. Return

WPG Advisers's AMTM Position: Q3 2025 in Review

WPG Advisers sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 1 share — an estimated $24 sold.

WPG Advisers first reported a position in AMTM in Q2 2025 and held it in 1 quarter. The position peaked at $24 in Q2 2025. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

WPG Advisers reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
WPG Advisers sold 1 Amentum Holdings share in Q3 2025, an estimated $24.
WPG Advisers first reported a position in Amentum Holdings in Q2 2025 and held it in 1 quarter.
WPG Advisers's Amentum Holdings position peaked at $24 in Q2 2025.
462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on WPG Advisers's 13F filing for Q3 2025, filed 29 Oct 2025.