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 | $696,147 | -45.1% | 419,366 | -40.9% | 0.01% | -40.0% |
| Q2 2023 | $1,269,172 | +16.9% | 709,035 | +14.9% | 0.01% | +11.1% |
| Q1 2023 | $1,086,050 | -3.1% | 617,074 | +0.7% | 0.01% | -10.0% |
| Q4 2022 | $1,120,857 | -40.0% | 612,490 | -9.8% | 0.01% | -41.2% |
| Q3 2022 | $1,867,000 | +15.5% | 678,717 | -2.6% | 0.02% | +30.8% |
| Q2 2022 | $1,616,000 | -52.3% | 696,562 | -3.8% | 0.01% | -35.0% |
| Q1 2022 | $3,387,000 | -42.2% | 723,727 | -2.9% | 0.02% | -35.5% |
| Q4 2021 | $5,864,000 | +18.9% | 745,169 | +26.0% | 0.03% | +3.3% |
| Q3 2021 | $4,933,000 | – | 591,458 | – | 0.03% | – |
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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% |