ACM RESEARCH INC's ticker is ACMR and the CUSIP is 00108J109. A total of 103 filers reported holding ACM RESEARCH INC in Q4 2021. The put-call ratio across all filers is 2.17 and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $78 | +3800.0% | 5,656 | +1185.5% | 0.01% | – |
| Q1 2023 | $2 | 0.0% | 440 | -34.0% | 0.00% | – |
| Q4 2022 | $2 | -100.0% | 667 | -86.1% | 0.00% | -100.0% |
| Q1 2022 | $45,000 | +400.0% | 4,802 | +1500.7% | 0.00% | – |
| Q4 2021 | $9,000 | -76.3% | 300 | -77.9% | 0.00% | -100.0% |
| Q2 2021 | $38,000 | +72.7% | 1,359 | -76.0% | 0.00% | +100.0% |
| Q1 2021 | $22,000 | -63.9% | 5,669 | +206.9% | 0.00% | -66.7% |
| Q4 2020 | $61,000 | -89.9% | 1,847 | -95.1% | 0.00% | -91.9% |
| Q3 2020 | $603,000 | +438.4% | 37,538 | +160.7% | 0.04% | +428.6% |
| Q2 2020 | $112,000 | – | 14,400 | +14300.0% | 0.01% | – |
| Q1 2020 | $0 | – | 100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Panview Asian Equity Master Fund | 290,000 | $5,250,450 | 7.84% |
| Ariose Capital Management Ltd | 750,832 | $13,593,813 | 7.69% |
| Pertento Partners LLP | 1,195,464 | $21,643,876 | 3.93% |
| Yong Rong (HK) Asset Management Ltd | 150,000 | $2,716 | 2.50% |
| Point72 Hong Kong Ltd | 426,267 | $7,717,564 | 2.13% |
| Triatomic Management LP | 146,700 | $2,656,004 | 1.84% |
| MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC | 746,101 | $13,508,159 | 1.63% |
| Quaero Capital S.A. | 70,765 | $1,281,200 | 1.22% |
| EAM Global Investors LLC | 197,844 | $3,581,966 | 0.97% |
| Pacific Ridge Capital Partners, LLC | 196,976 | $3,566,250 | 0.83% |