QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 98 filers reported holding QUANTUM SI INC in Q1 2023. The put-call ratio across all filers is 0.46 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $70,178 | -24.0% | 42,276 | -18.0% | 0.00% | – |
| Q2 2023 | $92,326 | +70.6% | 51,579 | +67.7% | 0.00% | – |
| Q1 2023 | $54,125 | +121.7% | 30,753 | +130.5% | 0.00% | – |
| Q4 2022 | $24,412 | -52.1% | 13,340 | -28.1% | 0.00% | – |
| Q3 2022 | $51,000 | +24.4% | 18,548 | +6.3% | 0.00% | – |
| Q2 2022 | $41,000 | -64.7% | 17,449 | -29.8% | 0.00% | – |
| Q1 2022 | $116,000 | -34.8% | 24,840 | +9.7% | 0.00% | – |
| Q4 2021 | $178,000 | -73.3% | 22,640 | -71.7% | 0.00% | – |
| Q3 2021 | $666,000 | +4.7% | 79,934 | +54.3% | 0.00% | – |
| Q2 2021 | $636,000 | – | 51,819 | – | 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% |