GROUP ONE TRADING, L.P. - BROOKLINE BANCORP INC DEL ownership

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of BROOKLINE BANCORP INC DEL
ValueSharesWeighting
Q3 2023$20,042
+358.6%
2,200
+340.0%
0.00%
Q2 2023$4,370
+45.7%
500
+66.7%
0.00%
Q3 2020$3,0000.0%300
+50.0%
0.00%
Q1 2018$3,000
-98.3%
200
-98.8%
0.00%
-100.0%
Q2 2016$176,000
+1000.0%
16,000
+900.0%
0.00%
Q3 2015$16,000
+77.8%
1,600
+100.0%
0.00%
Q2 2015$9,000
-94.2%
800
-94.8%
0.00%
-100.0%
Q1 2015$155,000
+761.1%
15,400
+710.5%
0.00%
Q3 2013$18,0001,9000.00%
Other shareholders
BROOKLINE BANCORP INC DEL shareholders Q4 2013
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 1$1,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of BROOKLINE BANCORP INC DEL shareholders