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 | $4,572 | +19.2% | 16,934 | +1.6% | 0.00% | – |
| Q2 2023 | $3,835 | +33.9% | 16,666 | -12.7% | 0.00% | – |
| Q1 2023 | $2,864 | -42.0% | 19,090 | -3.3% | 0.00% | – |
| Q4 2022 | $4,937 | -55.1% | 19,748 | -1.8% | 0.00% | – |
| Q3 2022 | $11,000 | 0.0% | 20,100 | -0.1% | 0.00% | – |
| Q2 2022 | $11,000 | -52.2% | 20,112 | -0.3% | 0.00% | – |
| Q1 2022 | $23,000 | -41.0% | 20,172 | -6.0% | 0.00% | – |
| Q4 2021 | $39,000 | +2.6% | 21,459 | +13.9% | 0.00% | – |
| Q3 2021 | $38,000 | -41.5% | 18,847 | +9.3% | 0.00% | – |
| Q2 2021 | $65,000 | – | 17,241 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Castle Creek Arbitrage, LLC | 66,666 | $17,306 | 0.00% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 333,333 | $90,000 | 0.00% |
| Westchester Capital Management, LLC | 85,364 | $23,049 | 0.00% |
| HRT FINANCIAL LP | 28,482 | $7 | 0.00% |
| JANE STREET GROUP, LLC | 16,934 | $4,572 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| MILLENNIUM MANAGEMENT LLC | 87,054 | $23,505 | 0.00% |
| WOLVERINE ASSET MANAGEMENT LLC | 13,871 | $3,745 | 0.00% |