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Livermore
Livermore
ZHEN

Walleye Trading LLC

SEC CIK
0001388391
Latest filing
Aug 3, 2026

ACMR holding history

ACM Research, Inc. in every 13F filed by Walleye Trading LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ACMR overviewAll 13F holders of ACMRFull Q2 2026 holdings

Shares (Q2 2026)
4,403
Value
$558.7K
% of portfolio
<0.1%
Quarters held
18
Since Q1 2021
Holdings of ACMR by Walleye Trading LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20264,403$558.7K<0.1%+4,403NewHolders
Q1 20260$00.0%−87,158−100.0%Sold outHolders
Q4 202587,158$3.44M0.1%−35,375−28.9%ReducedHolders
Q3 2025122,533$4.79M0.1%+121,227+9,282.3%AddedHolders
Q2 20251,306$33.8K<0.1%−6,455−83.2%ReducedHolders
Q1 20257,761$181.1K<0.1%+7,761NewHolders
Q4 20240$00.0%−15,037−100.0%Sold outHolders
Q3 202415,037$305.3K<0.1%+15,037NewHolders
Q2 20240$00.0%−1,306−100.0%Sold outHolders
Q1 20241,306$38.1K<0.1%−7,801−85.7%ReducedHolders
Q4 20239,107$178.0K<0.1%−10,892−54.5%ReducedHolders
Q3 202319,999$362.1K<0.1%−11,799−37.1%ReducedHolders
Q2 202331,798$415.9K<0.1%+31,798NewHolders
Q1 20230$00.0%−19,849−100.0%Sold outHolders
Q4 202219,849$153.0K<0.1%+24+0.1%AddedHolders
Q3 202219,825$247.0K<0.1%−33,706−63.0%ReducedHolders
Q2 202253,531$901.0K<0.1%−105,387−66.3%ReducedHolders
Q1 2022158,918$3.29M0.1%+150,683+1,829.8%AddedConverted for a 3-for-1 splitHolders
Q4 20212,745$234.0K<0.1%−33,143−92.4%ReducedHolders
Q3 202135,888$3.95M0.1%+25,685+251.7%AddedHolders
Q2 202110,203$1.04M<0.1%−57,921−85.0%ReducedHolders
Q1 202168,124$5.50M0.2%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.