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 | $8,574,226 | -7.1% | 5,165,196 | +0.2% | 0.00% | – |
| Q2 2023 | $9,227,456 | +2.3% | 5,155,004 | +0.6% | 0.00% | – |
| Q1 2023 | $9,017,462 | -0.4% | 5,123,558 | +3.6% | 0.00% | – |
| Q4 2022 | $9,053,335 | -33.1% | 4,947,178 | +0.5% | 0.00% | – |
| Q3 2022 | $13,533,000 | +26.5% | 4,920,922 | +6.7% | 0.00% | – |
| Q2 2022 | $10,701,000 | -41.9% | 4,612,579 | +17.2% | 0.00% | – |
| Q1 2022 | $18,411,000 | +30.0% | 3,934,007 | +118.6% | 0.00% | – |
| Q4 2021 | $14,161,000 | +10.7% | 1,799,315 | +17.3% | 0.00% | – |
| Q3 2021 | $12,791,000 | – | 1,533,603 | – | 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% |