QUANTUM SI INC's ticker is QSIAW and the CUSIP is 74765K113. A total of 15 filers reported holding QUANTUM SI INC in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $90,000 | +17.3% | 333,333 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $76,700 | +53.4% | 333,333 | 0.0% | 0.00% | +100.0% |
| Q1 2023 | $50,000 | -40.0% | 333,333 | 0.0% | 0.00% | -50.0% |
| Q4 2022 | $83,333 | -52.9% | 333,333 | 0.0% | 0.00% | -50.0% |
| Q3 2022 | $177,000 | -5.9% | 333,333 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $188,000 | -50.9% | 333,333 | 0.0% | 0.00% | -55.6% |
| Q1 2022 | $383,000 | -36.2% | 333,333 | 0.0% | 0.01% | -30.8% |
| Q4 2021 | $600,000 | -11.4% | 333,333 | 0.0% | 0.01% | 0.0% |
| Q3 2021 | $677,000 | -46.0% | 333,333 | 0.0% | 0.01% | -40.9% |
| Q2 2021 | $1,253,000 | – | 333,333 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Ionic Capital Management LLC | 347,264 | $196,000 | 0.02% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 333,333 | $188,000 | 0.00% |
| Castle Creek Arbitrage, LLC | 66,666 | $37,000 | 0.00% |
| Magnetar Financial LLC | 169,196 | $94,000 | 0.00% |
| Westchester Capital Management, LLC | 86,598 | $49,000 | 0.00% |
| CoreCap Advisors, LLC | 200 | $0 | 0.00% |
| JANE STREET GROUP, LLC | 20,112 | $11,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| MILLENNIUM MANAGEMENT LLC | 87,054 | $49,000 | 0.00% |
| WOLVERINE ASSET MANAGEMENT LLC | 6,705 | $3,000 | 0.00% |