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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $16,000 | -88.3% | 2,025 | -87.6% | 0.00% | -94.4% |
| Q3 2021 | $137,000 | +61.2% | 16,336 | +29.7% | 0.04% | +89.5% |
| Q2 2021 | $85,000 | +34.9% | 12,600 | +31.2% | 0.02% | +35.7% |
| Q1 2021 | $63,000 | +2000.0% | 9,600 | +1500.0% | 0.01% | +1300.0% |
| Q4 2020 | $3,000 | 0.0% | 600 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $3,000 | -62.5% | 600 | -53.2% | 0.00% | -50.0% |
| Q2 2020 | $8,000 | +60.0% | 1,282 | +53.2% | 0.00% | 0.0% |
| Q1 2020 | $5,000 | -64.3% | 837 | -40.2% | 0.00% | -60.0% |
| Q4 2019 | $14,000 | +366.7% | 1,400 | +133.3% | 0.01% | +400.0% |
| Q3 2019 | $3,000 | +50.0% | 600 | +100.0% | 0.00% | 0.0% |
| Q2 2019 | $2,000 | -50.0% | 300 | 0.0% | 0.00% | -50.0% |
| Q1 2019 | $4,000 | -84.0% | 300 | -81.2% | 0.00% | -83.3% |
| Q4 2018 | $25,000 | – | 1,600 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Privium Fund Management B.V. | 5,344,446 | $18,010,783 | 6.83% |
| M28 Capital Management LP | 1,910,600 | $7,069,220 | 6.74% |
| Opaleye Management Inc. | 1,460,000 | $5,402,000 | 1.88% |
| Ikarian Capital, LLC | 422,625 | $1,563,713 | 0.38% |
| Monaco Asset Management SAM | 165,000 | $610,500 | 0.18% |
| AWM Investment Company, Inc. | 166,667 | $616,668 | 0.09% |
| FRANKLIN STREET ADVISORS INC /NC | 150,000 | $555 | 0.05% |
| Atom Investors LP | 18,522 | $68,531 | 0.03% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3,625,467 | $13,414,228 | 0.03% |
| GSA CAPITAL PARTNERS LLP | 21,514 | $80 | 0.01% |