QUANTUM SI INC's ticker is QSIAW and the CUSIP is 74765K113. A total of 17 filers reported holding QUANTUM SI INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $7 | +16.7% | 28,482 | +0.1% | 0.00% | – |
| Q2 2023 | $6 | +50.0% | 28,447 | 0.0% | 0.00% | – |
| Q1 2023 | $4 | -42.9% | 28,447 | 0.0% | 0.00% | – |
| Q4 2022 | $7 | -100.0% | 28,447 | 0.0% | 0.00% | – |
| Q3 2022 | $15,000 | 0.0% | 28,447 | 0.0% | 0.00% | – |
| Q2 2022 | $15,000 | -53.1% | 28,447 | 0.0% | 0.00% | – |
| Q1 2022 | $32,000 | -34.7% | 28,447 | 0.0% | 0.00% | – |
| Q4 2021 | $49,000 | -14.0% | 28,447 | 0.0% | 0.00% | – |
| Q3 2021 | $57,000 | -47.7% | 28,447 | -1.1% | 0.00% | -100.0% |
| Q2 2021 | $109,000 | – | 28,765 | – | 0.00% | – |
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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% |