QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 98 filers reported holding QUANTUM SI INC in Q1 2023. The put-call ratio across all filers is 0.46 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $46,123 | -5.6% | 27,785 | +1.8% | 0.00% | – |
| Q2 2023 | $48,865 | -78.8% | 27,299 | -79.2% | 0.00% | – |
| Q1 2023 | $230,625 | +644.0% | 131,037 | +1043.9% | 0.00% | – |
| Q3 2022 | $31,000 | -97.6% | 11,455 | -95.9% | 0.00% | – |
| Q1 2022 | $1,299,000 | -27.3% | 277,648 | +22.2% | 0.00% | -100.0% |
| Q4 2021 | $1,788,000 | -1.1% | 227,200 | +4.9% | 0.00% | – |
| Q3 2021 | $1,807,000 | -38.2% | 216,631 | -9.2% | 0.00% | -100.0% |
| Q2 2021 | $2,925,000 | – | 238,604 | – | 0.00% | – |
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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% |