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 | $408,194 | +7.1% | 245,900 | +15.4% | 0.00% | – |
| Q2 2023 | $381,290 | +57.3% | 213,011 | +54.7% | 0.00% | – |
| Q1 2023 | $242,410 | -63.6% | 137,733 | -62.2% | 0.00% | – |
| Q4 2022 | $666,274 | -21.6% | 364,084 | +17.8% | 0.00% | – |
| Q3 2022 | $850,000 | -18.3% | 309,030 | -31.1% | 0.00% | – |
| Q2 2022 | $1,040,000 | +9.1% | 448,345 | +120.3% | 0.00% | – |
| Q1 2022 | $953,000 | -29.0% | 203,485 | +19.3% | 0.00% | – |
| Q4 2021 | $1,342,000 | +53.7% | 170,614 | +63.1% | 0.00% | – |
| Q3 2021 | $873,000 | -93.2% | 104,600 | -90.1% | 0.00% | -100.0% |
| Q2 2021 | $12,808,000 | – | 1,058,303 | – | 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% |