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 | $42,732 | -7.3% | 25,742 | 0.0% | 0.02% | -5.6% |
| Q2 2023 | $46,078 | +1.7% | 25,742 | 0.0% | 0.02% | 0.0% |
| Q1 2023 | $45,306 | -3.8% | 25,742 | 0.0% | 0.02% | -10.0% |
| Q4 2022 | $47,108 | -32.7% | 25,742 | 0.0% | 0.02% | -37.5% |
| Q3 2022 | $70,000 | +18.6% | 25,742 | 0.0% | 0.03% | +28.0% |
| Q2 2022 | $59,000 | -50.8% | 25,742 | 0.0% | 0.02% | -44.4% |
| Q1 2022 | $120,000 | -40.6% | 25,742 | 0.0% | 0.04% | -38.4% |
| Q4 2021 | $202,000 | -5.6% | 25,742 | 0.0% | 0.07% | -6.4% |
| Q3 2021 | $214,000 | -32.1% | 25,742 | 0.0% | 0.08% | -36.1% |
| Q2 2021 | $315,000 | – | 25,742 | – | 0.12% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Foresite Capital Management V, LLC | 2,342,061 | $19,533,000 | 6.07% |
| Foresite Capital Management IV, LLC | 4,463,619 | $37,227,000 | 5.48% |
| Glenview Capital Management | 6,000,000 | $50,040,000 | 0.91% |
| Neumann Advisory Hong Kong Ltd | 492,733 | $4,109 | 0.73% |
| Fosun International Ltd | 743,936 | $6,204,000 | 0.32% |
| Clearline Capital LP | 377,897 | $3,152,000 | 0.30% |
| ARK Investment Management | 12,698,381 | $105,904,000 | 0.25% |
| ASSET MANAGEMENT CORP /IL/ /ADV | 59,444 | $496,000 | 0.25% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,400,000 | $11,676,000 | 0.23% |
| Rubric Capital Management LP | 672,385 | $5,608,000 | 0.16% |