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
Q2 		$19.9M Buy
157,056
+65,629
+72% +$4.64M 0.03% 541
2026
Q1 		$3.6M Sell
91,427
-15,686
-15% -$833K 0.01% 1560
2025
Q4 		$4.23M Sell
107,113
-28,743
-21% -$1.07M 0.01% 1658
2025
Q3 		$5.32M Buy
135,856
+107,402
+377% +$3.19M 0.01% 1426
2025
Q2 		$737K Buy
28,454
+4,711
+20% +$106K ﹤0.01% 3048
2025
Q1 		$554K Sell
23,743
-16,613
-41% -$379K ﹤0.01% 2992
2024
Q4 		$609K Buy
40,356
+27,560
+215% +$498K ﹤0.01% 3006
2024
Q3 		$260K Buy
12,796
+1,158
+10% +$22.2K ﹤0.01% 3388
2024
Q2 		$268K Buy
+11,638
New +$294K ﹤0.01% 3143
2023
Q4 		– Sell
-4,972
Closed -$86.9K – 7289
2023
Q3 		$90K Buy
+4,972
New +$73.9K ﹤0.01% 4551
2022
Q2 		– Sell
-332,962
Closed -$5.13M – 7711
2022
Q1 		$6.89M Buy
+332,962
New +$8.38M 0.01% 1280
2021
Q2 		– Sell
-102,453
Closed -$2.81M – 8075
2021
Q1 		$2.76M Buy
102,453
+94,824
+1,243% +$3.13M ﹤0.01% 2108
2020
Q4 		$207K Sell
7,629
-62,532
-89% -$1.6M ﹤0.01% 4032
2020
Q3 		$1.62M Buy
+70,161
New +$1.99M 0.01% 1786

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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Group One Trading's ACMR Position: Q2 2026 in Review

Group One Trading increased its ACM Research (ACMR) stake by 72% in Q2 2026, buying an estimated $4.64M and bringing the position to 157,056 shares worth $19.9M. The position accounts for 0.03% of the portfolio, ranked #541.

Group One Trading first reported a position in ACMR in Q3 2020 and has held it in 14 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Group One Trading held 157,056 shares of ACM Research worth $19.9M as of Q2 2026.
  • Group One Trading bought 65,629 ACM Research shares in Q2 2026, an estimated $4.64M.
  • ACM Research made up 0.03% of Group One Trading's portfolio in Q2 2026, its #541 holding.
  • Group One Trading first reported a position in ACM Research in Q3 2020 and has held it in 14 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.