GROUP ONE TRADING, L.P. - COMPUWARE CORP ownership

COMPUWARE CORP's ticker is and the CUSIP is 205638909. A total of 2 filers reported holding COMPUWARE CORP in Q2 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 COMPUWARE CORP
ValueSharesWeighting
Q3 2014$380,000
+691.7%
35,800
+645.8%
0.01%
+500.0%
Q2 2014$48,000
-97.1%
4,800
-97.0%
0.00%
-96.4%
Q1 2014$1,677,000
-24.6%
159,700
-19.5%
0.03%
-17.6%
Q4 2013$2,224,000
+413.6%
198,400
+412.7%
0.03%
+325.0%
Q3 2013$433,000
-65.8%
38,700
-68.4%
0.01%
-74.2%
Q2 2013$1,266,000122,3000.03%
Other shareholders
COMPUWARE CORP shareholders Q2 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 122,300$1,266,0000.03%
Citadel Advisors 6,000$62,0000.00%
View complete list of COMPUWARE CORP shareholders