ACM Research, Inc. - Class A Stock (ACMR)

Historical Holders from Q4 2017 to Q3 2025

Symbol
ACMR on Nasdaq
CUSIP
00108J109
Type / Class
Equity / Class A Stock
Shares outstanding
58.9M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
41.8M
Holdings value
$1.63B
% of all portfolios
0.007%
Grand Portfolio weight change
+0%
Number of holders
253
Number of buys
139
Number of sells
-120
Average Value change %
+0%
Average buys %
+0.003%
Average sells %
-0.001%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ACM Research, Inc. - Class A Stock (ACMR)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 12.6% +85.7% $200M $96.9M 7.42M +93.8% BlackRock, Inc. Sep 30, 2025
Yiheng Capital Management, L.P. 1.2% $14.1M 666K Yiheng Capital Partners, L.P. Sep 30, 2024

Institutional Holders of ACM Research, Inc. - Class A Stock (ACMR)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 41.8M $1.63B +$213M $39.13 253
2025 Q2 37.4M $968M +$58.4M $25.90 237
2025 Q1 35.8M $837M +$17.6M $23.34 239
2024 Q4 35.7M $539M +$7.45M $15.10 177
2024 Q3 32M $649M -$47M $20.30 182
2024 Q2 33.5M $773M +$12.7M $23.06 200
2024 Q1 32.5M $946M +$25.8M $29.14 193
2023 Q4 32.6M $637M +$36.9M $19.54 154
2023 Q3 30.9M $560M +$35.9M $18.11 152
2023 Q2 29.3M $383M +$726K $13.08 122
2023 Q1 29.4M $344M +$921K $11.70 129
2022 Q4 30.4M $234M -$60.2M $7.71 120
2022 Q3 34.9M $435M -$23.4M $12.46 112
2022 Q2 36.1M $607M +$102M $16.83 99
2022 Q1 29.3M $607M +$405M $20.69 94
2021 Q4 8.77M $747M -$36.5M $85.27 102
2021 Q3 8.91M $980M +$172M $110.00 94
2021 Q2 7.37M $753M +$22.6M $102.22 94
2021 Q1 7.26M $586M +$146M $80.79 93
2020 Q4 5.44M $442M +$12.1M $81.25 93
2020 Q3 5.16M $357M +$26.7M $69.10 87
2020 Q2 4.96M $310M +$77.6M $62.36 85
2020 Q1 3.82M $113M +$39.2M $29.61 62
2019 Q4 2.96M $54.7M +$2.17M $18.45 44
2019 Q3 2.92M $40.5M +$8.79M $13.86 46
2019 Q2 1.75M $27.2M +$4.24M $15.61 36
2019 Q1 1.46M $22.6M -$391K $15.42 28
2018 Q4 1.56M $16.9M -$1.31M $10.87 27
2018 Q3 1.68M $18.6M -$790K $11.07 31
2018 Q2 1.75M $18.9M +$9.68M $10.78 34
2018 Q1 849K $10.4M +$325K $12.30 11
2017 Q4 874K $4.57M +$4.57M $5.25 10