Clear Harbor Asset Management’s Amentum Holdings AMTM Stock Holding History

Clear Harbor 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
2026 Q2	$657K	Sell	31,780 -1,995	-6%	-$48.3K	0.04%	280
2026 Q1	$881K	Sell	33,775 -2,500	-7%	-$78.4K	0.06%	218
2025 Q4	$1.05M	Sell	36,275 -3,728	-9%	-$95.3K	0.07%	196
2025 Q3	$958K	Sell	40,003 -50	-0.1%	-$1.22K	0.07%	199
2025 Q2	$946K	Sell	40,053 -490	-1%	-$10.2K	0.07%	193
2025 Q1	$738K	Buy	+40,543	New	+$826K	0.06%	209

Other funds holding AMTM

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

TCA

Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Clear Harbor Asset Management's AMTM Position: Q2 2026 in Review

Clear Harbor Asset Management reduced its Amentum Holdings (AMTM) stake by 5.9% in Q2 2026, selling an estimated $48.3K and leaving 31,780 shares worth $657K. The position accounts for 0.04% of the portfolio, ranked #280.

Clear Harbor Asset Management first reported a position in AMTM in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.05M in Q4 2025. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Clear Harbor Asset Management held 31,780 shares of Amentum Holdings worth $657K as of Q2 2026.
Clear Harbor Asset Management sold 1,995 Amentum Holdings shares in Q2 2026, an estimated $48.3K.
Amentum Holdings made up 0.04% of Clear Harbor Asset Management's portfolio in Q2 2026, its #280 holding.
Clear Harbor Asset Management first reported a position in Amentum Holdings in Q1 2025 and has held it in 6 quarters since.
Clear Harbor Asset Management's Amentum Holdings position peaked at $1.05M in Q4 2025.
458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Clear Harbor Asset Management's 13F filing for Q2 2026, filed 12 Aug 2026.