QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 97 filers reported holding QUANTUM SI INC in Q4 2021. The put-call ratio across all filers is 0.36 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $8,574,226 | -7.1% | 5,165,196 | +0.2% | 0.00% | – |
| Q2 2023 | $9,227,456 | +2.3% | 5,155,004 | +0.6% | 0.00% | – |
| Q1 2023 | $9,017,462 | -0.4% | 5,123,558 | +3.6% | 0.00% | – |
| Q4 2022 | $9,053,335 | -33.1% | 4,947,178 | +0.5% | 0.00% | – |
| Q3 2022 | $13,533,000 | +26.5% | 4,920,922 | +6.7% | 0.00% | – |
| Q2 2022 | $10,701,000 | -41.9% | 4,612,579 | +17.2% | 0.00% | – |
| Q1 2022 | $18,411,000 | +30.0% | 3,934,007 | +118.6% | 0.00% | – |
| Q4 2021 | $14,161,000 | +10.7% | 1,799,315 | +17.3% | 0.00% | – |
| Q3 2021 | $12,791,000 | – | 1,533,603 | – | 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% |