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
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
Q4 		– Sell
-11,667
Closed -$145K – 3491
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
PCP
Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Dimensional Fund Advisors's ACMR Position: Q1 2026 in Review

Dimensional Fund Advisors increased its ACM Research (ACMR) stake by 208% in Q1 2026, buying an estimated $25.8M and bringing the position to 719,023 shares worth $28.3M. The position accounts for 0.01% of the portfolio, ranked #1795.

Dimensional Fund Advisors first reported a position in ACMR in Q4 2019 and has held it in 14 quarters since. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Dimensional Fund Advisors held 719,023 shares of ACM Research worth $28.3M as of Q1 2026.
  • Dimensional Fund Advisors bought 485,282 ACM Research shares in Q1 2026, an estimated $25.8M.
  • ACM Research made up 0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #1795 holding.
  • Dimensional Fund Advisors first reported a position in ACM Research in Q4 2019 and has held it in 14 quarters since.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.