QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 94 filers reported holding QUANTUM SI INC in Q1 2022. The put-call ratio across all filers is 0.19 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $70,218 | +143202.0% | 42,300 | +57.8% | 0.00% | – |
| Q4 2022 | $49 | -99.9% | 26,800 | +5.5% | 0.00% | – |
| Q3 2022 | $69,000 | -23.3% | 25,400 | -31.4% | 0.00% | – |
| Q2 2022 | $90,000 | -38.8% | 37,000 | +26.3% | 0.00% | – |
| Q1 2022 | $147,000 | -64.3% | 29,300 | -44.3% | 0.00% | – |
| Q4 2021 | $412,000 | -20.8% | 52,603 | -14.9% | 0.00% | – |
| Q3 2021 | $520,000 | +2.4% | 61,797 | +52.4% | 0.00% | -100.0% |
| Q2 2021 | $508,000 | – | 40,555 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Foresite Capital Management V, LLC | 924,404 | $1,654,683 | 1.21% |
| Fosun International Ltd | 743,935 | $1,331,644 | 0.19% |
| Knollwood Investment Advisory, LLC | 300,000 | $537,000 | 0.18% |
| ARK Investment Management | 12,754,531 | $22,830,610 | 0.15% |
| Neumann Advisory Hong Kong Ltd | 192,857 | $345 | 0.13% |
| Glenview Capital Management | 2,415,990 | $4,324,622 | 0.10% |
| Nikko Asset Management Americas, Inc. | 1,626,985 | $2,896,033 | 0.03% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 797,500 | $1,427,525 | 0.03% |
| Red Wave Investments LLC | 37,000 | $66,230 | 0.03% |
| Clearline Capital LP | 211,900 | $379,301 | 0.02% |