PROQR THRAPEUTICS N V's ticker is and the CUSIP is N71542959. A total of 1 filers reported holding PROQR THRAPEUTICS N V in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $9 | -52.6% | 7,500 | -38.5% | 0.00% | – |
| Q2 2023 | $19 | -93.4% | 12,200 | -91.0% | 0.00% | – |
| Q1 2023 | $289 | +155.8% | 136,100 | +343.3% | 0.00% | – |
| Q4 2022 | $113 | -88.7% | 30,700 | +2092.9% | 0.00% | – |
| Q3 2022 | $1,000 | -50.0% | 1,400 | -50.0% | 0.00% | – |
| Q1 2022 | $2,000 | -95.7% | 2,800 | -51.7% | 0.00% | – |
| Q4 2021 | $46,000 | -82.7% | 5,800 | -85.6% | 0.00% | – |
| Q3 2021 | $266,000 | -1.5% | 40,200 | 0.0% | 0.00% | – |
| Q2 2021 | $270,000 | -54.2% | 40,200 | +4406.7% | 0.00% | -100.0% |
| Q1 2021 | $589,000 | +58800.0% | 892 | +22200.0% | 0.00% | – |
| Q3 2020 | $1,000 | -87.5% | 4 | -75.0% | 0.00% | – |
| Q1 2020 | $8,000 | – | 16 | +1500.0% | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 1 | -95.0% | 0.00% | – |
| Q1 2019 | $27,000 | – | 20 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 129,500 | $275,835 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| SIMPLEX TRADING, LLC | 136,100 | $289 | 0.00% |