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 | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $184,000 | – | 15,000 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Foresite Capital Management IV, LLC | 1,771,249 | $3,241,386 | 1.38% |
| Foresite Capital Management V, LLC | 924,379 | $1,691,614 | 1.31% |
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | 4,159,426 | $7,611,750 | 0.97% |
| Neumann Advisory Hong Kong Ltd | 427,631 | $783 | 0.48% |
| ARK Investment Management | 11,856,184 | $21,696,817 | 0.19% |
| Glenview Capital Management | 4,249,956 | $7,777,419 | 0.17% |
| Fosun International Ltd | 743,935 | $1,361,401 | 0.11% |
| Clearline Capital LP | 211,900 | $387,777 | 0.07% |
| Rubric Capital Management LP | 672,385 | $1,230,465 | 0.05% |
| Nikko Asset Management Americas, Inc. | 1,186,120 | $2,146,877 | 0.03% |