PROQR THRAPEUTICS N V's ticker is PRQR and the CUSIP is N71542109. A total of 46 filers reported holding PROQR THRAPEUTICS N V in Q1 2020. The put-call ratio across all filers is 1.64 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $20,000 | – | 22,600 | +56400.0% | 0.00% | – |
| Q4 2021 | $0 | – | 40 | +73.9% | 0.00% | – |
| Q3 2021 | $0 | – | 23 | -34.3% | 0.00% | – |
| Q2 2021 | $0 | – | 35 | 0.0% | 0.00% | – |
| Q1 2021 | $0 | -100.0% | 35 | -98.9% | 0.00% | – |
| Q4 2020 | $13,000 | -69.8% | 3,188 | -64.5% | 0.00% | – |
| Q3 2020 | $43,000 | -32.8% | 8,988 | -14.3% | 0.00% | – |
| Q2 2020 | $64,000 | +255.6% | 10,488 | +212.8% | 0.00% | – |
| Q1 2020 | $18,000 | +350.0% | 3,353 | +858.0% | 0.00% | – |
| Q4 2019 | $4,000 | -66.7% | 350 | -84.7% | 0.00% | – |
| Q3 2019 | $12,000 | -33.3% | 2,287 | +9.8% | 0.00% | – |
| Q2 2019 | $18,000 | -92.6% | 2,083 | -88.1% | 0.00% | – |
| Q1 2019 | $243,000 | +376.5% | 17,453 | +442.7% | 0.00% | – |
| Q4 2018 | $51,000 | – | 3,216 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Copernicus Capital Management, LLC | 40,000 | $335,000 | 4.05% |
| Opaleye Management Inc. | 1,424,200 | $11,921,000 | 2.23% |
| Prosight Management, LP | 282,256 | $2,362,000 | 1.30% |
| RTW INVESTMENTS, LP | 6,443,113 | $53,929,000 | 0.81% |
| DAFNA Capital Management LLC | 296,383 | $2,481,000 | 0.66% |
| Kerrisdale Advisers, LLC | 453,182 | $3,793,000 | 0.41% |
| Altium Capital Management LP | 125,000 | $1,046,000 | 0.27% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 2,079,668 | $17,407,000 | 0.21% |
| Alpha Paradigm Partners, LLC | 44,323 | $371,000,000 | 0.15% |
| GSA CAPITAL PARTNERS LLP | 137,003 | $1,147,000 | 0.12% |