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 2021 | $2,842,000 | -92.7% | 25,831 | -93.2% | 0.00% | -100.0% |
| Q2 2021 | $39,077,000 | -24.1% | 382,282 | -40.0% | 0.01% | -22.2% |
| Q1 2021 | $51,490,000 | +179.7% | 637,336 | +181.3% | 0.01% | +200.0% |
| Q4 2020 | $18,408,000 | +22.7% | 226,563 | +4.4% | 0.00% | 0.0% |
| Q3 2020 | $14,998,000 | -42.5% | 217,058 | -48.1% | 0.00% | -50.0% |
| Q2 2020 | $26,103,000 | +5152.1% | 418,589 | +2392.0% | 0.01% | – |
| Q1 2020 | $497,000 | – | 16,797 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Pertento Partners LLP | 887,429 | $10,382,919 | 2.58% |
| Oasis Management Co Ltd. | 825,745 | $9,661,217 | 1.55% |
| Ariose Capital Management Ltd | 273,841 | $3,203,940 | 1.22% |
| MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC | 850,913 | $9,955,682 | 0.99% |
| Yiheng Capital Management, L.P. | 1,654,700 | $19,359,990 | 0.77% |
| Point72 Hong Kong Ltd | 241,500 | $2,825,550 | 0.69% |
| Portolan Capital Management | 561,894 | $6,574,160 | 0.63% |
| PRECEPT MANAGEMENT LLC | 30,000 | $351,000 | 0.43% |
| OBERWEIS ASSET MANAGEMENT INC/ | 215,600 | $2,522,520 | 0.39% |
| COOPER CREEK PARTNERS MANAGEMENT LLC | 361,333 | $4,228 | 0.30% |