QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 76 filers reported holding QUANTUM SI INC in Q3 2021. The put-call ratio across all filers is 0.53 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $23,984,040 | +5.1% | 14,448,217 | +13.3% | 0.18% | +21.9% |
| Q2 2023 | $22,830,610 | +10.9% | 12,754,531 | +9.0% | 0.15% | +6.3% |
| Q1 2023 | $20,589,872 | -5.1% | 11,698,791 | -1.3% | 0.14% | -24.5% |
| Q4 2022 | $21,696,817 | -40.4% | 11,856,184 | -10.4% | 0.19% | -26.0% |
| Q3 2022 | $36,404,000 | -38.2% | 13,237,790 | -4.6% | 0.25% | -27.2% |
| Q2 2022 | $58,944,000 | -5.8% | 13,869,084 | +3.7% | 0.35% | +33.7% |
| Q1 2022 | $62,588,000 | -39.1% | 13,373,557 | +2.3% | 0.26% | -16.1% |
| Q4 2021 | $102,838,000 | -2.9% | 13,067,150 | +2.9% | 0.31% | +22.4% |
| Q3 2021 | $105,904,000 | +113.4% | 12,698,381 | +213.7% | 0.25% | +176.1% |
| Q2 2021 | $49,632,000 | – | 4,048,303 | – | 0.09% | – |
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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% |