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 | $87 | +2.4% | 52,045 | +9.8% | 0.00% | – |
| Q2 2023 | $85 | +3.7% | 47,381 | +2.2% | 0.00% | – |
| Q1 2023 | $82 | -3.5% | 46,351 | 0.0% | 0.00% | – |
| Q4 2022 | $85 | -99.9% | 46,351 | +4.6% | 0.00% | – |
| Q3 2022 | $122,000 | +35.6% | 44,313 | +14.5% | 0.00% | – |
| Q2 2022 | $90,000 | -98.4% | 38,714 | -96.8% | 0.00% | -100.0% |
| Q1 2022 | $5,662,000 | -69.5% | 1,209,736 | -48.7% | 0.00% | -50.0% |
| Q4 2021 | $18,567,000 | +1.4% | 2,359,250 | +7.5% | 0.00% | 0.0% |
| Q3 2021 | $18,303,000 | -28.6% | 2,194,600 | 0.0% | 0.00% | 0.0% |
| Q2 2021 | $25,618,000 | – | 2,194,600 | – | 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% |