QUANTUM SI INC's ticker is QSIAW and the CUSIP is 74765K113. A total of 18 filers reported holding QUANTUM SI INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $17,306 | +10.5% | 66,666 | 0.0% | 0.00% | +100.0% |
| Q2 2023 | $15,667 | +50.2% | 66,666 | 0.0% | 0.00% | +100.0% |
| Q1 2023 | $10,433 | -42.0% | 66,666 | 0.0% | 0.00% | -50.0% |
| Q4 2022 | $18,000 | -48.6% | 66,666 | 0.0% | 0.00% | 0.0% |
| Q3 2022 | $35,000 | -5.4% | 66,666 | 0.0% | 0.00% | 0.0% |
| Q2 2022 | $37,000 | -51.9% | 66,666 | 0.0% | 0.00% | -50.0% |
| Q1 2022 | $77,000 | -35.3% | 66,666 | 0.0% | 0.00% | -33.3% |
| Q4 2021 | $119,000 | -12.5% | 66,666 | 0.0% | 0.01% | -25.0% |
| Q3 2021 | $136,000 | -46.0% | 66,666 | 0.0% | 0.01% | -42.9% |
| Q2 2021 | $252,000 | – | 66,666 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Ionic Capital Management LLC | 347,301 | $1,306,000 | 0.14% |
| Clearline Capital LP | 79,480 | $299,000 | 0.04% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 333,333 | $1,253,000 | 0.02% |
| Castle Creek Arbitrage, LLC | 66,666 | $252,000 | 0.01% |
| Westchester Capital Management, LLC | 86,598 | $326,000 | 0.01% |
| LINDEN ADVISORS LP | 328,120 | $1,242,000 | 0.01% |
| Magnetar Financial LLC | 169,196 | $645,000 | 0.01% |
| MSD Partners, L.P. | 59,800 | $225,000 | 0.01% |
| HRT FINANCIAL LP | 28,765 | $109,000 | 0.00% |
| DUPONT CAPITAL MANAGEMENT CORP | 8,332 | $32,000 | 0.00% |