Group One Trading
ACMR icon

Group One Trading’s ACM Research ACMR Stock Holding History

Group One Trading’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 		$3.34M Sell
85,000
-21,400
-20% -$1.14M 0.01% 1616
2025
Q4 		$4.2M Sell
106,400
-36,600
-26% -$1.36M 0.01% 1665
2025
Q3 		$5.6M Sell
143,000
-64,000
-31% -$1.9M 0.01% 1386
2025
Q2 		$5.36M Buy
207,000
+23,600
+13% +$531K 0.01% 1278
2025
Q1 		$4.28M Buy
183,400
+28,300
+18% +$646K 0.01% 1198
2024
Q4 		$2.34M Sell
155,100
-27,500
-15% -$497K 0.01% 1782
2024
Q3 		$3.71M Buy
182,600
+124,600
+215% +$2.39M 0.01% 1235
2024
Q2 		$1.34M Sell
58,000
-78,000
-57% -$1.97M 0.01% 1759
2024
Q1 		$3.96M Buy
136,000
+28,900
+27% +$662K 0.02% 981
2023
Q4 		$2.09M Buy
107,100
+78,400
+273% +$1.37M 0.01% 1838
2023
Q3 		$520K Sell
28,700
-44,400
-61% -$660K ﹤0.01% 2867
2023
Q2 		$956K Buy
73,100
+22,500
+44% +$237K ﹤0.01% 2404
2023
Q1 		$592K Buy
50,600
+19,500
+63% +$226K ﹤0.01% 2606
2022
Q4 		$240K Buy
31,100
+22,500
+262% +$191K ﹤0.01% 3710
2022
Q3 		$107K Buy
8,600
+8,300
+2,767% +$135K ﹤0.01% 4714
2022
Q2 		$5K Sell
300
-919,100
-100% -$14.2M ﹤0.01% 7081
2022
Q1 		$19M Buy
919,400
+914,000
+16,926% +$23M 0.02% 646
2021
Q4 		$153K Sell
5,400
-133,500
-96% -$4.22M ﹤0.01% 5357
2021
Q3 		$5.09M Sell
138,900
-294,000
-68% -$8.99M 0.01% 1664
2021
Q2 		$14.8M Buy
432,900
+340,800
+370% +$9.36M 0.02% 809
2021
Q1 		$2.48M Buy
92,100
+52,800
+134% +$1.75M ﹤0.01% 2226
2020
Q4 		$1.06M Sell
39,300
-22,200
-36% -$568K ﹤0.01% 2586
2020
Q3 		$1.42M Buy
61,500
+39,000
+173% +$1.11M ﹤0.01% 1880
2020
Q2 		$468K Buy
+22,500
New +$369K ﹤0.01% 2698

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

Group One Trading's ACMR Position: Q1 2026 in Review

Group One Trading reduced its ACM Research (ACMR) stake by 15% in Q1 2026, selling an estimated $833K and leaving 91,427 shares worth $3.6M. The position accounts for 0.01% of the portfolio, ranked #1560.

Group One Trading first reported a position in ACMR in Q3 2020 and has held it in 13 quarters since. The position peaked at $6.89M in Q1 2022. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Group One Trading held 91,427 shares of ACM Research worth $3.6M as of Q1 2026.
  • Group One Trading sold 15,686 ACM Research shares in Q1 2026, an estimated $833K.
  • ACM Research made up 0.01% of Group One Trading's portfolio in Q1 2026, its #1560 holding.
  • Group One Trading first reported a position in ACM Research in Q3 2020 and has held it in 13 quarters since.
  • Group One Trading's ACM Research position peaked at $6.89M in Q1 2022.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.