PROQR THRAPEUTICS N V's ticker is PRQR and the CUSIP is N71542109. A total of 65 filers reported holding PROQR THRAPEUTICS N V in Q1 2021. The put-call ratio across all filers is 1.04 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $0 | – | 200 | 0.0% | 0.00% | – |
| Q2 2023 | $0 | – | 200 | 0.0% | 0.00% | – |
| Q1 2023 | $0 | -100.0% | 200 | 0.0% | 0.00% | – |
| Q4 2022 | $1,000 | – | 200 | 0.0% | 0.00% | – |
| Q3 2022 | $0 | – | 200 | 0.0% | 0.00% | – |
| Q2 2022 | $0 | -100.0% | 200 | -99.6% | 0.00% | – |
| Q1 2022 | $51,000 | -88.7% | 56,273 | 0.0% | 0.00% | – |
| Q4 2021 | $451,000 | -7.6% | 56,273 | -3.4% | 0.00% | – |
| Q3 2021 | $488,000 | +31.2% | 58,273 | +5.4% | 0.00% | – |
| Q2 2021 | $372,000 | +3.0% | 55,273 | +1.2% | 0.00% | – |
| Q1 2021 | $361,000 | +63.3% | 54,608 | +3.8% | 0.00% | – |
| Q4 2020 | $221,000 | -13.3% | 52,608 | -1.0% | 0.00% | – |
| Q3 2020 | $255,000 | -35.1% | 53,158 | -17.8% | 0.00% | – |
| Q2 2020 | $393,000 | +362.4% | 64,658 | +319.8% | 0.00% | – |
| Q1 2020 | $85,000 | +400.0% | 15,402 | +782.1% | 0.00% | – |
| Q4 2019 | $17,000 | +325.0% | 1,746 | +132.8% | 0.00% | – |
| Q3 2019 | $4,000 | +100.0% | 750 | +275.0% | 0.00% | – |
| Q2 2019 | $2,000 | -33.3% | 200 | 0.0% | 0.00% | – |
| Q1 2019 | $3,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q4 2018 | $3,000 | -25.0% | 200 | 0.0% | 0.00% | – |
| Q3 2018 | $4,000 | +300.0% | 200 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | -66.7% | 200 | -72.3% | 0.00% | – |
| Q1 2018 | $3,000 | 0.0% | 723 | 0.0% | 0.00% | – |
| Q4 2017 | $3,000 | -25.0% | 723 | 0.0% | 0.00% | – |
| Q3 2017 | $4,000 | +33.3% | 723 | +38.2% | 0.00% | – |
| Q2 2017 | $3,000 | 0.0% | 523 | 0.0% | 0.00% | – |
| Q1 2017 | $3,000 | 0.0% | 523 | 0.0% | 0.00% | – |
| Q4 2016 | $3,000 | 0.0% | 523 | 0.0% | 0.00% | – |
| Q3 2016 | $3,000 | 0.0% | 523 | 0.0% | 0.00% | – |
| Q2 2016 | $3,000 | -76.9% | 523 | -79.3% | 0.00% | – |
| Q1 2016 | $13,000 | +160.0% | 2,523 | +382.4% | 0.00% | – |
| Q4 2015 | $5,000 | -37.5% | 523 | 0.0% | 0.00% | – |
| Q3 2015 | $8,000 | -11.1% | 523 | 0.0% | 0.00% | – |
| Q2 2015 | $9,000 | -18.2% | 523 | -0.2% | 0.00% | – |
| Q1 2015 | $11,000 | – | 524 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Aquilo Capital Management, LLC | 2,401,570 | $14,602,000 | 2.94% |
| DAFNA Capital Management LLC | 1,237,400 | $7,523,000 | 2.17% |
| RTW INVESTMENTS, LP | 4,902,785 | $29,809,000 | 0.84% |
| Kerrisdale Advisers, LLC | 453,182 | $2,755,000 | 0.31% |
| COWEN AND COMPANY, LLC | 300,042 | $1,824,000 | 0.30% |
| Artal Group S.A. | 1,259,177 | $7,656,000 | 0.21% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4,550,062 | $27,664,000 | 0.07% |
| ALTRINSIC GLOBAL ADVISORS LLC | 221,360 | $1,346,000 | 0.06% |
| FRANKLIN STREET ADVISORS INC /NC | 60,000 | $365,000 | 0.04% |
| JENNISON ASSOCIATES LLC | 2,625,514 | $15,963,000 | 0.01% |