GROUP ONE TRADING, L.P. - COMMONWEALTH REIT ownership

COMMONWEALTH REIT's ticker is and the CUSIP is 203233951. A total of 3 filers reported holding COMMONWEALTH REIT in Q3 2013. 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 COMMONWEALTH REIT
ValueSharesWeighting
Q2 2014$1,316,000
-31.8%
50,000
-31.9%
0.02%
-37.5%
Q1 2014$1,930,000
+424.5%
73,400
+364.6%
0.03%
+433.3%
Q4 2013$368,000
-73.8%
15,800
-75.4%
0.01%
-77.8%
Q3 2013$1,404,000
+15.0%
64,100
+21.4%
0.03%
-10.0%
Q2 2013$1,221,00052,8000.03%
Other shareholders
COMMONWEALTH REIT shareholders Q3 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 73,400$1,930,0000.03%
Citadel Advisors 7,300$192,0000.00%
View complete list of COMMONWEALTH REIT shareholders