QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 95 filers reported holding QUANTUM SI INC in Q3 2023. The put-call ratio across all filers is 0.43 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $408,519 | +144.9% | 246,096 | +164.1% | 0.00% | – |
| Q2 2023 | $166,796 | -4.3% | 93,182 | -5.9% | 0.00% | – |
| Q1 2023 | $174,326 | -30.2% | 99,049 | -27.4% | 0.00% | – |
| Q4 2022 | $249,665 | -51.1% | 136,429 | -26.6% | 0.00% | – |
| Q3 2022 | $511,000 | -61.9% | 185,961 | -67.8% | 0.00% | – |
| Q2 2022 | $1,340,000 | -61.7% | 577,462 | -22.8% | 0.00% | – |
| Q1 2022 | $3,500,000 | -15.6% | 747,650 | +41.9% | 0.00% | – |
| Q4 2021 | $4,148,000 | +26.7% | 526,996 | +34.2% | 0.00% | – |
| Q3 2021 | $3,275,000 | -27.5% | 392,668 | +6.6% | 0.00% | – |
| Q2 2021 | $4,515,000 | – | 368,303 | – | 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% |