Walleye Trading
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Walleye Trading’s ACM Research ACMR Stock Holding History

Walleye 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 		$2.84M Buy
22,400
+17,100
+323% +$1.21M ﹤0.01% 1640
2026
Q1 		$209K Sell
5,300
-5,600
-51% -$297K ﹤0.01% 3090
2025
Q4 		$430K Buy
10,900
+900
+9% +$33.5K ﹤0.01% 2917
2025
Q3 		$391K Sell
10,000
-300
-3% -$8.91K ﹤0.01% 2910
2025
Q2 		$267K Sell
10,300
-21,900
-68% -$492K ﹤0.01% 3060
2025
Q1 		$752K Buy
32,200
+9,000
+39% +$206K ﹤0.01% 2250
2024
Q4 		$350K Buy
23,200
+20,500
+759% +$370K ﹤0.01% 2875
2024
Q3 		$54.8K Buy
+2,700
New +$51.8K ﹤0.01% 3507
2024
Q2 		– Sell
-2,100
Closed -$61.2K – 4193
2024
Q1 		$61.2K Sell
2,100
-14,300
-87% -$327K ﹤0.01% 3953
2023
Q4 		$320K Buy
16,400
+15,800
+2,633% +$276K ﹤0.01% 3443
2023
Q3 		$10.9K Buy
+600
New +$8.92K ﹤0.01% 4512
2023
Q2 		– Sell
-10,500
Closed -$123K – 4656
2023
Q1 		$123K Buy
+10,500
New +$121K ﹤0.01% 3762
2022
Q4 		– Sell
-2,900
Closed -$36K – 4909
2022
Q3 		$36K Sell
2,900
-29,800
-91% -$485K ﹤0.01% 4317
2022
Q2 		$550K Sell
32,700
-132,600
-80% -$2.04M ﹤0.01% 2804
2022
Q1 		$3.42M Buy
165,300
+145,200
+722% +$3.65M 0.01% 1250
2021
Q4 		$571K Buy
20,100
+11,100
+123% +$351K ﹤0.01% 2815
2021
Q3 		$330K Sell
9,000
-13,800
-61% -$422K ﹤0.01% 3376
2021
Q2 		$777K Buy
22,800
+21,600
+1,800% +$593K ﹤0.01% 2420
2021
Q1 		$32K Sell
1,200
-900
-43% -$29.8K ﹤0.01% 4445
2020
Q4 		$57K Buy
+2,100
New +$53.7K ﹤0.01% 4143
2020
Q3 		– Sell
-27,900
Closed -$580K – 4025
2020
Q2 		$580K Buy
+27,900
New +$458K ﹤0.01% 2151

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 $3.38T AUM 44.17% 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

Walleye Trading's ACMR Position: Q2 2026 in Review

Walleye Trading opened a new position in ACM Research (ACMR) in Q2 2026: 4,403 shares worth $559K. The stake represents ﹤0.01% of the portfolio and ranks #2627 among its holdings. This is a return to the name: Walleye Trading previously reported a position in ACMR as recently as Q4 2025.

Walleye Trading first reported a position in ACMR in Q2 2020 and has held it in 21 quarters since. The position peaked at $5.5M in Q1 2021. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Walleye Trading held 4,403 shares of ACM Research worth $559K as of Q2 2026.
  • ACM Research was a new Walleye Trading position in Q2 2026.
  • ACM Research made up ﹤0.01% of Walleye Trading's portfolio in Q2 2026, its #2627 holding.
  • Walleye Trading first reported a position in ACM Research in Q2 2020 and has held it in 21 quarters since.
  • Walleye Trading's ACM Research position peaked at $5.5M in Q1 2021.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Walleye Trading's 13F filing for Q2 2026, filed 3 Aug 2026.