Caprock Group’s Amentum Holdings AMTM Stock Holding History

Caprock Group’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 Q2	–	Sell	-7,842	Closed	-$205K	–	1335
2026 Q1	$205K	Sell	7,842 -1,468	-16%	-$46.1K	0.01%	1042
2025 Q4	$270K	Buy	+9,310	New	+$238K	0.01%	1031

Other funds holding AMTM

American Securities New York $3.75B AUM 23.12% 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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 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

Caprock Group's AMTM Position: Q2 2026 in Review

Caprock Group sold out of Amentum Holdings (AMTM) in Q2 2026, closing a stake of 7,842 shares — an estimated $205K sold.

Caprock Group first reported a position in AMTM in Q4 2025 and held it in 2 quarters. The position peaked at $270K in Q4 2025. 460 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Caprock Group reported no remaining Amentum Holdings position as of Q2 2026 after selling out during the quarter.
Caprock Group sold 7,842 Amentum Holdings shares in Q2 2026, an estimated $205K.
Caprock Group first reported a position in Amentum Holdings in Q4 2025 and held it in 2 quarters.
Caprock Group's Amentum Holdings position peaked at $270K in Q4 2025.
460 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Caprock Group's 13F filing for Q2 2026, filed 27 Jul 2026.