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 		$559K Buy
+4,403
New +$311K ﹤0.01% 2627
2026
Q1 		– Sell
-87,158
Closed -$4.63M – 4051
2025
Q4 		$3.44M Sell
87,158
-35,375
-29% -$1.32M ﹤0.01% 1527
2025
Q3 		$4.79M Buy
122,533
+121,227
+9,282% +$3.6M 0.01% 1273
2025
Q2 		$33.8K Sell
1,306
-6,455
-83% -$145K ﹤0.01% 3897
2025
Q1 		$181K Buy
+7,761
New +$177K ﹤0.01% 3132
2024
Q4 		– Sell
-15,037
Closed -$272K – 4193
2024
Q3 		$305K Buy
+15,037
New +$288K ﹤0.01% 2828
2024
Q2 		– Sell
-1,306
Closed -$38.1K – 4194
2024
Q1 		$38.1K Sell
1,306
-7,801
-86% -$179K ﹤0.01% 4084
2023
Q4 		$178K Sell
9,107
-10,892
-54% -$190K ﹤0.01% 3853
2023
Q3 		$362K Sell
19,999
-11,799
-37% -$175K ﹤0.01% 3223
2023
Q2 		$416K Buy
+31,798
New +$335K ﹤0.01% 2889
2023
Q1 		– Sell
-19,849
Closed -$230K – 4781
2022
Q4 		$153K Buy
19,849
+24
+0.1% +$203 ﹤0.01% 3770
2022
Q3 		$247K Sell
19,825
-33,706
-63% -$548K ﹤0.01% 3510
2022
Q2 		$901K Sell
53,531
-105,387
-66% -$1.62M ﹤0.01% 2324
2022
Q1 		$3.29M Buy
158,918
+150,683
+1,830% +$3.79M 0.01% 1281
2021
Q4 		$234K Sell
8,235
-99,429
-92% -$3.14M ﹤0.01% 3733
2021
Q3 		$3.95M Buy
107,664
+77,055
+252% +$2.36M 0.01% 1069
2021
Q2 		$1.04M Sell
30,609
-173,763
-85% -$4.77M ﹤0.01% 2089
2021
Q1 		$5.5M Buy
204,372
+204,027
+59,138% +$6.74M 0.02% 601
2020
Q4 		$9K Sell
345
-60,228
-99% -$1.54M ﹤0.01% 4454
2020
Q3 		$1.4M Buy
60,573
+56,586
+1,419% +$1.61M 0.01% 1396
2020
Q2 		$83K Buy
+3,987
New +$65.4K ﹤0.01% 3603

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

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. 373 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.
  • 373 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.