GROUP ONE TRADING, L.P. - PROQR THRAPEUTICS N V ownership

PROQR THRAPEUTICS N V's ticker is and the CUSIP is N71542959. A total of 3 filers reported holding PROQR THRAPEUTICS N V in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of PROQR THRAPEUTICS N V
ValueSharesWeighting
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$2,0000.0%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$15,0001,5000.00%
Other shareholders
PROQR THRAPEUTICS N V shareholders Q1 2023
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 129,500$275,8350.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 136,100$2890.00%
View complete list of PROQR THRAPEUTICS N V shareholders