Shell Asset Management’s Amentum Holdings AMTM Stock Holding History

Shell Asset Management’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	-1,011	Closed	-$24K	–	1274
2025 Q2	$24K	Buy	+1,011	New	+$21.1K	﹤0.01%	1219
2025 Q1	–	Sell	-2,684	Closed	-$56K	–	1278
2024 Q4	$56K	Sell	2,684 -211	-7%	-$5.45K	﹤0.01%	1160
2024 Q3	$93K	Buy	+2,895	New	+$82.5K	﹤0.01%	1063

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

Shell Asset Management's AMTM Position: Q3 2025 in Review

Shell Asset Management sold out of Amentum Holdings (AMTM) in Q3 2025, closing a stake of 1,011 shares — an estimated $24K sold.

Shell Asset Management first reported a position in AMTM in Q3 2024 and held it in 3 quarters. The position peaked at $93K in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

Shell Asset Management reported no remaining Amentum Holdings position as of Q3 2025 after selling out during the quarter.
Shell Asset Management sold 1,011 Amentum Holdings shares in Q3 2025, an estimated $24K.
Shell Asset Management first reported a position in Amentum Holdings in Q3 2024 and held it in 3 quarters.
Shell Asset Management's Amentum Holdings position peaked at $93K in Q3 2024.
462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Shell Asset Management's 13F filing for Q3 2025, filed 7 Nov 2025.