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 		$3.16M Buy
24,900
+19,500
+361% +$1.38M ﹤0.01% 1795
2026
Q1 		$212K Sell
5,400
-37,600
-87% -$2M ﹤0.01% 4063
2025
Q4 		$1.7M Sell
43,000
-27,900
-39% -$1.04M ﹤0.01% 2420
2025
Q3 		$2.77M Sell
70,900
-31,500
-31% -$935K ﹤0.01% 1987
2025
Q2 		$2.65M Buy
102,400
+19,400
+23% +$436K 0.01% 1864
2025
Q1 		$1.94M Buy
83,000
+23,300
+39% +$532K 0.01% 1835
2024
Q4 		$901K Buy
59,700
+23,800
+66% +$430K ﹤0.01% 2660
2024
Q3 		$729K Sell
35,900
-1,100
-3% -$21.1K ﹤0.01% 2567
2024
Q2 		$853K Buy
37,000
+10,100
+38% +$256K ﹤0.01% 2131
2024
Q1 		$784K Buy
26,900
+4,200
+19% +$96.1K ﹤0.01% 2304
2023
Q4 		$444K Buy
22,700
+5,500
+32% +$96.2K ﹤0.01% 3173
2023
Q3 		$311K Buy
17,200
+6,700
+64% +$99.6K ﹤0.01% 3401
2023
Q2 		$137K Buy
10,500
+1,900
+22% +$20K ﹤0.01% 4305
2023
Q1 		$101K Sell
8,600
-1,500
-15% -$17.3K ﹤0.01% 4300
2022
Q4 		$77.9K Buy
10,100
+9,000
+818% +$76.3K ﹤0.01% 4659
2022
Q3 		$14K Hold
1,100
– – ﹤0.01% 6277
2022
Q2 		$19K Sell
1,100
-926,200
-100% -$14.3M ﹤0.01% 6314
2022
Q1 		$19.2M Buy
927,300
+908,400
+4,806% +$22.9M 0.02% 639
2021
Q4 		$537K Sell
18,900
-176,400
-90% -$5.58M ﹤0.01% 4054
2021
Q3 		$7.16M Buy
195,300
+191,100
+4,550% +$5.85M 0.01% 1363
2021
Q2 		$143K Sell
4,200
-609,900
-99% -$16.8M ﹤0.01% 5582
2021
Q1 		$16.5M Buy
614,100
+608,700
+11,272% +$20.1M 0.02% 640
2020
Q4 		$146K Sell
5,400
-321,300
-98% -$8.22M ﹤0.01% 4300
2020
Q3 		$7.53M Buy
326,700
+185,400
+131% +$5.27M 0.02% 662
2020
Q2 		$2.94M Buy
+141,300
New +$2.32M 0.01% 1192

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.