Advisors Asset Management’s Amentum Holdings AMTM Stock Holding History

Advisors 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	$1.11M	Buy	53,517 +3,489	+7%	+$84.4K	0.02%	784
2026 Q1	$1.3M	Buy	50,028 +28,950	+137%	+$908K	0.02%	725
2025 Q4	$611K	Sell	21,078 -9,986	-32%	-$255K	0.01%	901
2025 Q3	$744K	Sell	31,064 -14,119	-31%	-$344K	0.01%	875
2025 Q2	$1.07M	Sell	45,183 -11,419	-20%	-$239K	0.02%	760
2025 Q1	$1.03M	Sell	56,602 -14,647	-21%	-$298K	0.02%	740
2024 Q4	$1.5M	Sell	71,249 -8,003	-10%	-$207K	0.03%	624
2024 Q3	$2.56M	Buy	+79,252	New	+$2.26M	0.05%	490

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

Advisors Asset Management's AMTM Position: Q2 2026 in Review

Advisors Asset Management increased its Amentum Holdings (AMTM) stake by 7% in Q2 2026, buying an estimated $84.4K and bringing the position to 53,517 shares worth $1.11M. The position accounts for 0.02% of the portfolio, ranked #784.

Advisors Asset Management first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $2.56M in Q3 2024. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Advisors Asset Management held 53,517 shares of Amentum Holdings worth $1.11M as of Q2 2026.
Advisors Asset Management bought 3,489 Amentum Holdings shares in Q2 2026, an estimated $84.4K.
Amentum Holdings made up 0.02% of Advisors Asset Management's portfolio in Q2 2026, its #784 holding.
Advisors Asset Management first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Advisors Asset Management's Amentum Holdings position peaked at $2.56M in Q3 2024.
458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Advisors Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.