Marshall Wace
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Marshall Wace’s ACM Research ACMR Stock Holding History

Marshall Wace’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 		$225K Buy
+5,727
New +$304K ﹤0.01% 2741
2025
Q4 		– Sell
-113,530
Closed -$4.44M – 2908
2025
Q3 		$4.44M Sell
113,530
-120,677
-52% -$3.58M ﹤0.01% 1234
2025
Q2 		$6.07M Buy
234,207
+196,873
+527% +$4.43M 0.01% 1051
2025
Q1 		$871K Buy
+37,334
New +$853K ﹤0.01% 1848
2024
Q4 		– Sell
-14,555
Closed -$295K – 2534
2024
Q3 		$295K Sell
14,555
-3,345
-19% -$64.1K ﹤0.01% 2150
2024
Q2 		$413K Buy
+17,900
New +$453K ﹤0.01% 2032
2023
Q4 		– Sell
-183,996
Closed -$3.33M – 2118
2023
Q3 		$3.33M Buy
183,996
+171,989
+1,432% +$2.56M 0.01% 1016
2023
Q2 		$157K Sell
12,007
-263,913
-96% -$2.78M ﹤0.01% 2277
2023
Q1 		$3.23M Buy
275,920
+163,464
+145% +$1.89M 0.01% 1211
2022
Q4 		$867K Buy
+112,456
New +$953K ﹤0.01% 2148
2021
Q1 		– Sell
-8,553
Closed -$232K – 2415
2020
Q4 		$232K Buy
+8,553
New +$219K ﹤0.01% 1718
2020
Q2 		– Sell
-8,880
Closed -$88K – 1491
2020
Q1 		$88K Sell
8,880
-96,846
-92% -$1.04M ﹤0.01% 1343
2019
Q4 		$649K Sell
105,726
-521,016
-83% -$2.56M ﹤0.01% 1092
2019
Q3 		$2.9M Buy
+626,742
New +$3.29M 0.02% 655
2019
Q2 		– Sell
-4,557
Closed -$23K – 1298
2019
Q1 		$23K Buy
+4,557
New +$17.4K ﹤0.01% 1619

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

Marshall Wace's ACMR Position: Q1 2026 in Review

Marshall Wace opened a new position in ACM Research (ACMR) in Q1 2026: 5,727 shares worth $225K. The stake represents ﹤0.01% of the portfolio and ranks #2741 among its holdings. This is a return to the name: Marshall Wace previously reported a position in ACMR as recently as Q3 2025.

Marshall Wace first reported a position in ACMR in Q1 2019 and has held it in 15 quarters since. The position peaked at $6.07M in Q2 2025. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Marshall Wace held 5,727 shares of ACM Research worth $225K as of Q1 2026.
  • ACM Research was a new Marshall Wace position in Q1 2026.
  • ACM Research made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2741 holding.
  • Marshall Wace first reported a position in ACM Research in Q1 2019 and has held it in 15 quarters since.
  • Marshall Wace's ACM Research position peaked at $6.07M in Q2 2025.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.