ACM RESEARCH INC's ticker is and the CUSIP is 00108J959. A total of 3 filers reported holding ACM RESEARCH INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $311,406 | +126.7% | 17,200 | +63.8% | 0.00% | – |
| Q2 2023 | $137,340 | +36.5% | 10,500 | +22.1% | 0.00% | – |
| Q1 2023 | $100,620 | +29.2% | 8,600 | -14.9% | 0.00% | – |
| Q4 2022 | $77,871 | +456.2% | 10,100 | +818.2% | 0.00% | – |
| Q3 2022 | $14,000 | -26.3% | 1,100 | 0.0% | 0.00% | – |
| Q2 2022 | $19,000 | -99.9% | 1,100 | -99.9% | 0.00% | -100.0% |
| Q1 2022 | $19,186,000 | +3472.8% | 927,300 | +14619.0% | 0.02% | – |
| Q4 2021 | $537,000 | -92.5% | 6,300 | -90.3% | 0.00% | -100.0% |
| Q3 2021 | $7,161,000 | +4907.7% | 65,100 | +4550.0% | 0.01% | – |
| Q2 2021 | $143,000 | -99.1% | 1,400 | -99.3% | 0.00% | -100.0% |
| Q1 2021 | $16,538,000 | +11227.4% | 204,700 | +11272.2% | 0.02% | – |
| Q4 2020 | $146,000 | -98.1% | 1,800 | -98.3% | 0.00% | -100.0% |
| Q3 2020 | $7,525,000 | +156.2% | 108,900 | +131.2% | 0.02% | +71.4% |
| Q2 2020 | $2,937,000 | – | 47,100 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 204,700 | $16,538,000 | 0.02% |
| SIMPLEX TRADING, LLC | 492 | $3,974,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |