AlphaQuest’s Amentum Holdings AMTM Stock Holding History

AlphaQuest’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	–	Sell	-24,111	Closed	-$699K	–	2210
2025 Q4	$699K	Hold	24,111	–	–	0.04%	609
2025 Q3	$577K	Buy	+24,111	New	+$587K	0.04%	700
2025 Q2	–	Sell	-23,780	Closed	-$433K	–	2181
2025 Q1	$433K	Hold	23,780	–	–	0.05%	581
2024 Q4	$500K	Sell	23,780 -534	-2%	-$13.8K	0.07%	475
2024 Q3	$784K	Buy	+24,314	New	+$693K	0.07%	467

Other funds holding AMTM

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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

AlphaQuest's AMTM Position: Q1 2026 in Review

AlphaQuest sold out of Amentum Holdings (AMTM) in Q1 2026, closing a stake of 24,111 shares — an estimated $699K sold.

AlphaQuest first reported a position in AMTM in Q3 2024 and held it in 5 quarters. The position peaked at $784K in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

AlphaQuest reported no remaining Amentum Holdings position as of Q1 2026 after selling out during the quarter.
AlphaQuest sold 24,111 Amentum Holdings shares in Q1 2026, an estimated $699K.
AlphaQuest first reported a position in Amentum Holdings in Q3 2024 and held it in 5 quarters.
AlphaQuest's Amentum Holdings position peaked at $784K in Q3 2024.
486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.