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

CATAMARAN CORP's ticker is CTRX and the CUSIP is 148887102. A total of 321 filers reported holding CATAMARAN CORP in Q3 2013. The put-call ratio across all filers is 1.30 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CATAMARAN CORP
ValueSharesWeighting
Q2 2015$2,231,000
+50.0%
36,523
+46.2%
0.03%
+34.8%
Q1 2015$1,487,000
+962.1%
24,981
+821.8%
0.02%
+1050.0%
Q4 2014$140,000
-63.0%
2,710
-69.8%
0.00%
-66.7%
Q3 2014$378,000
+71.8%
8,964
+79.6%
0.01%
+100.0%
Q2 2014$220,000
-66.1%
4,991
-63.5%
0.00%
-70.0%
Q4 2013$649,000
-12.5%
13,673
-15.3%
0.01%
-28.6%
Q3 2013$742,000
-54.0%
16,151
-51.2%
0.01%
-65.0%
Q2 2013$1,613,00033,1050.04%
Other shareholders

There were no reported owners of CATAMARAN CORP in Q3 2013.

NameSharesValueWeighting ↓
View complete list of CATAMARAN CORP shareholders