QUANTUM SI INC's ticker is QSI and the CUSIP is 74765K105. A total of 102 filers reported holding QUANTUM SI INC in Q2 2022. The put-call ratio across all filers is 0.16 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $99,973 | -9.9% | 60,225 | -2.8% | 0.00% | – |
| Q2 2023 | $110,955 | +59.1% | 61,986 | +56.4% | 0.00% | – |
| Q1 2023 | $69,751 | +2.5% | 39,631 | +6.6% | 0.00% | – |
| Q4 2022 | $68,017 | +209.2% | 37,168 | +381.9% | 0.00% | – |
| Q3 2022 | $22,000 | -40.5% | 7,713 | -50.2% | 0.00% | – |
| Q2 2022 | $37,000 | -50.0% | 15,500 | -1.2% | 0.00% | – |
| Q1 2022 | $74,000 | -63.9% | 15,685 | -39.8% | 0.00% | – |
| Q4 2021 | $205,000 | +15.8% | 26,046 | +22.7% | 0.00% | – |
| Q3 2021 | $177,000 | +18.8% | 21,225 | +74.6% | 0.00% | – |
| Q2 2021 | $149,000 | – | 12,156 | – | 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% |