PROQR THRAPEUTICS N V's ticker is and the CUSIP is N71542959. A total of 3 filers reported holding PROQR THRAPEUTICS N V 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 | $47,840 | -27.1% | 36,800 | -9.1% | 0.00% | – |
| Q2 2023 | $65,610 | -76.2% | 40,500 | -68.7% | 0.00% | -100.0% |
| Q1 2023 | $275,835 | +39.1% | 129,500 | +141.6% | 0.00% | – |
| Q4 2022 | $198,320 | +2379.0% | 53,600 | +396.3% | 0.00% | – |
| Q2 2022 | $8,000 | -52.9% | 10,800 | -41.6% | 0.00% | – |
| Q1 2022 | $17,000 | +750.0% | 18,500 | +6066.7% | 0.00% | – |
| Q4 2021 | $2,000 | 0.0% | 300 | +50.0% | 0.00% | – |
| Q3 2021 | $2,000 | -95.7% | 200 | -97.1% | 0.00% | – |
| Q2 2021 | $47,000 | -79.9% | 6,900 | -80.5% | 0.00% | – |
| Q1 2021 | $234,000 | +11600.0% | 35,400 | +11700.0% | 0.00% | – |
| Q2 2020 | $2,000 | -85.7% | 300 | -88.0% | 0.00% | – |
| Q1 2020 | $14,000 | -6.7% | 2,500 | +66.7% | 0.00% | – |
| Q4 2019 | $15,000 | – | 1,500 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 6,900 | $47,000 | 0.00% |
| SIMPLEX TRADING, LLC | 40,200 | $270,000 | 0.00% |