Arizona State Retirement System’s Amentum Holdings AMTM Stock Holding History

Arizona State Retirement System’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	$904K	Buy	43,751 +210	+0.5%	+$5.08K	﹤0.01%	1227
2026 Q1	$1.14M	Sell	43,541 -319	-0.7%	-$10K	0.01%	1018
2025 Q4	$1.27M	Sell	43,860 -2,941	-6%	-$75.2K	0.01%	984
2025 Q3	$1.12M	Buy	46,801 +648	+1%	+$15.8K	0.01%	1079
2025 Q2	$1.09M	Buy	46,153 +7,768	+20%	+$162K	0.01%	1054
2025 Q1	$699K	Sell	38,385 -450	-1%	-$9.16K	﹤0.01%	1248
2024 Q4	$817K	Buy	38,835 +2,961	+8%	+$76.5K	0.01%	1222
2024 Q3	$1.16M	Buy	+35,874	New	+$1.02M	0.01%	1026

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

Arizona State Retirement System's AMTM Position: Q2 2026 in Review

Arizona State Retirement System increased its Amentum Holdings (AMTM) stake by 0.48% in Q2 2026, buying an estimated $5.08K and bringing the position to 43,751 shares worth $904K. The position accounts for ﹤0.01% of the portfolio, ranked #1227.

Arizona State Retirement System first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $1.27M in Q4 2025. 460 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Arizona State Retirement System held 43,751 shares of Amentum Holdings worth $904K as of Q2 2026.
Arizona State Retirement System bought 210 Amentum Holdings shares in Q2 2026, an estimated $5.08K.
Amentum Holdings made up ﹤0.01% of Arizona State Retirement System's portfolio in Q2 2026, its #1227 holding.
Arizona State Retirement System first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Arizona State Retirement System's Amentum Holdings position peaked at $1.27M in Q4 2025.
460 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Arizona State Retirement System's 13F filing for Q2 2026, filed 7 Aug 2026.