Acadian Asset Management’s ACM Research ACMR Stock Holding History

Acadian Asset Management’s Portfolio ACMR Stock Details ACMR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$2.68M	Sell	21,206 -24,294	-53%	-$1.72M	﹤0.01%	998
2026 Q1	$1.78M	Buy	45,500 +33,821	+290%	+$1.8M	﹤0.01%	992
2025 Q4	$458K	Buy	11,679 +10,675	+1,063%	+$398K	﹤0.01%	1328
2025 Q3	$39K	Sell	1,004 -22,023	-96%	-$654K	﹤0.01%	1669
2025 Q2	$594K	Sell	23,027 -144,398	-86%	-$3.25M	﹤0.01%	1100
2025 Q1	$3.9M	Buy	+167,425	New	+$3.82M	0.01%	576
2023 Q4	–	Sell	-163,103	Closed	-$2.95M	–	1657
2023 Q3	$2.95M	Sell	163,103 -27,086	-14%	-$403K	0.01%	579
2023 Q2	$2.49M	Buy	+190,189	New	+$2M	0.01%	633
2020 Q1	–	Sell	-129,813	Closed	-$799K	–	1773
2019 Q4	$799K	Buy	129,813 +30,411	+31%	+$150K	﹤0.01%	940
2019 Q3	$460K	Buy	99,402 +73,650	+286%	+$387K	﹤0.01%	1101
2019 Q2	$134K	Buy	+25,752	New	+$149K	﹤0.01%	1320

Other funds holding ACMR

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

VARA

Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return

WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return

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

Acadian Asset Management's ACMR Position: Q2 2026 in Review

Acadian Asset Management reduced its ACM Research (ACMR) stake by 53% in Q2 2026, selling an estimated $1.72M and leaving 21,206 shares worth $2.68M. The position accounts for ﹤0.01% of the portfolio, ranked #998.

Acadian Asset Management first reported a position in ACMR in Q2 2019 and has held it in 11 quarters since. The position peaked at $3.9M in Q1 2025. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

Acadian Asset Management held 21,206 shares of ACM Research worth $2.68M as of Q2 2026.
Acadian Asset Management sold 24,294 ACM Research shares in Q2 2026, an estimated $1.72M.
ACM Research made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #998 holding.
Acadian Asset Management first reported a position in ACM Research in Q2 2019 and has held it in 11 quarters since.
Acadian Asset Management's ACM Research position peaked at $3.9M in Q1 2025.
373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

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