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 | $3,356,236 | +0.9% | 2,021,594 | +8.8% | 0.00% | – |
| Q2 2023 | $3,327,126 | +9.4% | 1,858,730 | +7.5% | 0.00% | – |
| Q1 2023 | $3,042,404 | +98010.4% | 1,728,639 | +2.0% | 0.00% | – |
| Q4 2022 | $3,101 | -99.9% | 1,694,944 | +5.1% | 0.00% | -100.0% |
| Q3 2022 | $4,437,000 | +20.6% | 1,613,460 | +1.7% | 0.00% | 0.0% |
| Q2 2022 | $3,679,000 | -1.4% | 1,585,884 | +98.9% | 0.00% | – |
| Q1 2022 | $3,730,000 | -38.2% | 797,207 | +4.0% | 0.00% | -100.0% |
| Q4 2021 | $6,035,000 | -5.3% | 766,910 | +0.4% | 0.00% | 0.0% |
| Q3 2021 | $6,371,000 | +747.2% | 763,918 | +1143.8% | 0.00% | – |
| Q2 2021 | $752,000 | – | 61,418 | – | 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% |