QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 95 filers reported holding QUANTUM SI INC in Q3 2023. The put-call ratio across all filers is 0.43 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,234,932 | -7.3% | 743,935 | 0.0% | 0.20% | +5.9% |
| Q2 2023 | $1,331,644 | +1.7% | 743,935 | 0.0% | 0.19% | +52.0% |
| Q1 2023 | $1,309,326 | -3.8% | 743,935 | 0.0% | 0.12% | +9.8% |
| Q4 2022 | $1,361,401 | -33.5% | 743,935 | 0.0% | 0.11% | -48.9% |
| Q3 2022 | $2,046,000 | +18.5% | 743,935 | 0.0% | 0.22% | -8.4% |
| Q2 2022 | $1,726,000 | -50.4% | 743,935 | 0.0% | 0.24% | -20.6% |
| Q1 2022 | $3,482,000 | -40.5% | 743,935 | 0.0% | 0.30% | -10.1% |
| Q4 2021 | $5,855,000 | -5.6% | 743,935 | -0.0% | 0.34% | +5.3% |
| Q3 2021 | $6,204,000 | -32.0% | 743,936 | 0.0% | 0.32% | -41.2% |
| Q2 2021 | $9,121,000 | – | 743,936 | – | 0.54% | – |
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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% |