ACM RESEARCH INC's ticker is and the CUSIP is 00108J909. A total of 3 filers reported holding ACM RESEARCH INC in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $4,149 | +211.5% | 229,200 | +124.9% | 0.00% | +200.0% |
| Q2 2023 | $1,332 | +96.8% | 101,900 | +76.0% | 0.00% | 0.0% |
| Q1 2023 | $677 | +1340.4% | 57,900 | +849.2% | 0.00% | – |
| Q4 2022 | $47 | -100.0% | 6,100 | -60.9% | 0.00% | – |
| Q3 2022 | $194,000 | -32.2% | 15,600 | -8.2% | 0.00% | – |
| Q2 2022 | $286,000 | -60.0% | 17,000 | -50.9% | 0.00% | -100.0% |
| Q1 2022 | $715,000 | +320.6% | 34,600 | +1630.0% | 0.00% | – |
| Q4 2021 | $170,000 | -95.9% | 2,000 | -95.1% | 0.00% | -100.0% |
| Q3 2021 | $4,177,000 | -0.3% | 41,000 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $4,191,000 | +1524.4% | 41,000 | +128025.0% | 0.00% | – |
| Q1 2021 | $258,000 | -18.4% | 32 | -17.9% | 0.00% | – |
| Q4 2020 | $316,000 | +47.7% | 39 | +25.8% | 0.00% | – |
| Q3 2020 | $214,000 | -20.1% | 31 | -27.9% | 0.00% | – |
| Q2 2020 | $268,000 | +106.2% | 43 | -2.3% | 0.00% | – |
| Q1 2020 | $130,000 | – | 44 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 50,600 | $592,020 | 0.00% |
| SIMPLEX TRADING, LLC | 57,900 | $677 | 0.00% |
| JANE STREET GROUP, LLC | 13,700 | $160,290 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |