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Winton Group’s ACM Research ACMR Stock Holding History

Winton Group’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
2025
Q3 		– Sell
-15,505
Closed -$402K – 703
2025
Q2 		$402K Buy
+15,505
New +$349K 0.02% 636
2023
Q2 		– Sell
-31,519
Closed -$369K – 752
2023
Q1 		$369K Buy
31,519
+3,289
+12% +$38K 0.02% 775
2022
Q4 		$218K Buy
28,230
+438
+2% +$3.71K 0.01% 857
2022
Q3 		$346K Sell
27,792
-3,814
-12% -$62K 0.02% 748
2022
Q2 		$532K Buy
31,606
+6,324
+25% +$97.4K 0.03% 676
2022
Q1 		$523K Buy
25,282
+2,149
+9% +$54.1K 0.03% 668
2021
Q4 		$658K Sell
23,133
-3,324
-13% -$105K 0.04% 596
2021
Q3 		$970K Buy
26,457
+3,939
+17% +$120K 0.05% 521
2021
Q2 		$767K Buy
22,518
+5,688
+34% +$156K 0.04% 670
2021
Q1 		$453K Sell
16,830
-4,644
-22% -$154K 0.03% 938
2020
Q4 		$582K Sell
21,474
-39,621
-65% -$1.01M 0.04% 708
2020
Q3 		$1.41M Buy
+61,095
New +$1.74M 0.05% 672
2020
Q2 		– Sell
-23,280
Closed -$230K – 1431
2020
Q1 		$230K Sell
23,280
-47,337
-67% -$510K 0.01% 1223
2019
Q4 		$434K Buy
+70,617
New +$347K 0.01% 1281

Other funds holding ACMR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
TC
Triata Capital Hong Kong $552M AUM 2.89% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SAM
Southeastern Asset Management Memphis, Tennessee $2.03B AUM 7.06% 1-Year Est. Return
Mitsubishi UFJ Trust & Banking
Mitsubishi UFJ Trust & Banking Tokyo, Japan $40.6B AUM 25.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
BBCM
Broad Bay Capital Management New York $1.18B AUM 65.45% 1-Year Est. Return

Winton Group's ACMR Position: Q3 2025 in Review

Winton Group sold out of ACM Research (ACMR) in Q3 2025, closing a stake of 15,505 shares — an estimated $402K sold.

Winton Group first reported a position in ACMR in Q4 2019 and held it in 14 quarters. The position peaked at $1.41M in Q3 2020. 258 funds tracked by Wall St. Rank hold ACMR as of Q3 2025.

  • Winton Group reported no remaining ACM Research position as of Q3 2025 after selling out during the quarter.
  • Winton Group sold 15,505 ACM Research shares in Q3 2025, an estimated $402K.
  • Winton Group first reported a position in ACM Research in Q4 2019 and held it in 14 quarters.
  • Winton Group's ACM Research position peaked at $1.41M in Q3 2020.
  • 258 funds tracked by Wall St. Rank held ACM Research as of Q3 2025.

Based on Winton Group's 13F filing for Q3 2025, filed 13 Nov 2025.