QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 94 filers reported holding QUANTUM SI INC in Q1 2022. The put-call ratio across all filers is 0.19 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,703 | -95.4% | 1,628 | -95.1% | 0.00% | – |
| Q2 2023 | $59,362 | +2372.4% | 33,163 | +2331.3% | 0.00% | – |
| Q1 2023 | $2,401 | -68.2% | 1,364 | -66.9% | 0.00% | – |
| Q4 2022 | $7,552 | -41.9% | 4,127 | -13.3% | 0.00% | – |
| Q3 2022 | $13,000 | -40.9% | 4,761 | -49.9% | 0.00% | – |
| Q2 2022 | $22,000 | -81.2% | 9,501 | -61.9% | 0.00% | – |
| Q1 2022 | $117,000 | +192.5% | 24,938 | +388.2% | 0.00% | – |
| Q4 2021 | $40,000 | -41.2% | 5,108 | -37.2% | 0.00% | – |
| Q3 2021 | $68,000 | – | 8,133 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Knollwood Investment Advisory, LLC | 300,000 | $498,000 | 0.23% |
| Fosun International Ltd | 743,935 | $1,234,932 | 0.20% |
| ARK Investment Management | 14,448,217 | $23,984,040 | 0.18% |
| Nikko Asset Management Americas, Inc. | 8,532,917 | $14,164,642 | 0.17% |
| Neumann Advisory Hong Kong Ltd | 166,198 | $276 | 0.11% |
| Green Alpha Advisors, LLC | 42,622 | $70,753 | 0.05% |
| Red Wave Investments LLC | 37,000 | $61,420 | 0.03% |
| Flagship Private Wealth, LLC | 14,158 | $23,502 | 0.02% |
| GENERAL AMERICAN INVESTORS CO INC | 119,250 | $197,955 | 0.02% |
| Guidance Point Advisors, LLC | 25,742 | $42,732 | 0.02% |