Dimensional Fund Advisors
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Dimensional Fund Advisors’s ACM Research ACMR Stock Holding History

Dimensional Fund Advisors’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 		$121M Buy
954,474
+235,451
+33% +$16.6M 0.02% 1037
2026
Q1 		$28.3M Buy
719,023
+485,282
+208% +$25.8M 0.01% 1795
2025
Q4 		$9.22M Buy
+233,741
New +$8.71M ﹤0.01% 2314
2022
Q3 		$145K Sell
11,667
-209,895
-95% -$3.41M ﹤0.01% 3287
2022
Q2 		$3.73M Sell
221,562
-245,127
-53% -$3.78M ﹤0.01% 2538
2022
Q1 		$9.66M Sell
466,689
-32,142
-6% -$809K ﹤0.01% 2309
2021
Q4 		$14.2M Buy
498,831
+84,588
+20% +$2.67M ﹤0.01% 2168
2021
Q3 		$15.2M Buy
414,243
+88,452
+27% +$2.71M ﹤0.01% 2132
2021
Q2 		$11.1M Buy
325,791
+121,209
+59% +$3.33M ﹤0.01% 2312
2021
Q1 		$5.51M Buy
204,582
+6,243
+3% +$206K ﹤0.01% 2545
2020
Q4 		$5.37M Buy
198,339
+42,621
+27% +$1.09M ﹤0.01% 2503
2020
Q3 		$3.59M Buy
155,718
+8,184
+6% +$232K ﹤0.01% 2564
2020
Q2 		$3.07M Buy
147,534
+61,695
+72% +$1.01M ﹤0.01% 2621
2020
Q1 		$847K Sell
85,839
-3,603
-4% -$38.8K ﹤0.01% 2948
2019
Q4 		$550K Buy
+89,442
New +$440K ﹤0.01% 3122

Other funds holding ACMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
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
WA
WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return

Dimensional Fund Advisors's ACMR Position: Q2 2026 in Review

Dimensional Fund Advisors increased its ACM Research (ACMR) stake by 33% in Q2 2026, buying an estimated $16.6M and bringing the position to 954,474 shares worth $121M. The position accounts for 0.02% of the portfolio, ranked #1037.

Dimensional Fund Advisors first reported a position in ACMR in Q4 2019 and has held it in 15 quarters since. 375 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Dimensional Fund Advisors held 954,474 shares of ACM Research worth $121M as of Q2 2026.
  • Dimensional Fund Advisors bought 235,451 ACM Research shares in Q2 2026, an estimated $16.6M.
  • ACM Research made up 0.02% of Dimensional Fund Advisors's portfolio in Q2 2026, its #1037 holding.
  • Dimensional Fund Advisors first reported a position in ACM Research in Q4 2019 and has held it in 15 quarters since.
  • 375 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.