PROQR THRAPEUTICS N V's ticker is PRQR and the CUSIP is N71542109. A total of 77 filers reported holding PROQR THRAPEUTICS N V in Q4 2021. The put-call ratio across all filers is 2.49 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $5 | -28.6% | 4,600 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $7 | -22.2% | 4,600 | 0.0% | 0.00% | 0.0% |
| Q1 2023 | $9 | -43.8% | 4,600 | 0.0% | 0.00% | 0.0% |
| Q4 2022 | $16 | -99.6% | 4,600 | -20.7% | 0.00% | – |
| Q3 2022 | $4,000 | -20.0% | 5,800 | -37.5% | 0.00% | – |
| Q2 2022 | $5,000 | -82.8% | 9,276 | -70.2% | 0.00% | -100.0% |
| Q1 2022 | $29,000 | -61.8% | 31,176 | +171.9% | 0.00% | -33.3% |
| Q4 2021 | $76,000 | -29.6% | 11,466 | -38.7% | 0.00% | -40.0% |
| Q3 2021 | $108,000 | +140.0% | 18,700 | +156.2% | 0.01% | +150.0% |
| Q2 2021 | $45,000 | +25.0% | 7,300 | -57.3% | 0.00% | +100.0% |
| Q1 2021 | $36,000 | +800.0% | 17,100 | +402.9% | 0.00% | – |
| Q4 2020 | $4,000 | +33.3% | 3,400 | +240.0% | 0.00% | – |
| Q3 2020 | $3,000 | -94.9% | 1,000 | -93.1% | 0.00% | -100.0% |
| Q2 2020 | $59,000 | +90.3% | 14,500 | +57.6% | 0.00% | +100.0% |
| Q1 2020 | $31,000 | +1450.0% | 9,200 | +411.1% | 0.00% | – |
| Q4 2019 | $2,000 | – | 1,800 | +800.0% | 0.00% | – |
| Q4 2018 | $0 | – | 200 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | – | 200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| M28 Capital Management LP | 1,910,600 | $2,483,780 | 2.85% |
| Privium Fund Management B.V. | 5,344,446 | $6,947,780 | 2.07% |
| DAFNA Capital Management LLC | 940,582 | $1,222,757 | 0.38% |
| Monaco Asset Management SAM | 377,517 | $490,772 | 0.15% |
| EcoR1 Capital, LLC | 2,980,016 | $3,874,021 | 0.13% |
| Ikarian Capital, LLC | 472,625 | $614,412 | 0.07% |
| FRANKLIN STREET ADVISORS INC /NC | 150,000 | $195 | 0.02% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3,625,467 | $4,713,107 | 0.01% |
| GSA CAPITAL PARTNERS LLP | 74,084 | $96 | 0.01% |
| UBS OCONNOR LLC | 189,328 | $246,126 | 0.01% |