GROUP ONE TRADING, L.P. - CONSTANT CONTACT INC ownership

CONSTANT CONTACT INC's ticker is and the CUSIP is 210313952. A total of 2 filers reported holding CONSTANT CONTACT INC 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 CONSTANT CONTACT INC
ValueSharesWeighting
Q4 2015$541,000
+430.4%
18,500
+340.5%
0.01%
+500.0%
Q3 2015$102,000
+21.4%
4,200
+90.9%
0.00%0.0%
Q1 2015$84,000
+15.1%
2,200
+10.0%
0.00%0.0%
Q4 2014$73,000
+69.8%
2,000
+25.0%
0.00%0.0%
Q3 2014$43,000
+1333.3%
1,600
+1500.0%
0.00%
Q2 2014$3,000
-87.5%
100
-90.0%
0.00%
Q1 2014$24,000
-29.4%
1,000
-9.1%
0.00%
-100.0%
Q4 2013$34,000
-62.2%
1,100
-71.1%
0.00%
-50.0%
Q3 2013$90,000
+55.2%
3,800
+5.6%
0.00%
+100.0%
Q2 2013$58,0003,6000.00%
Other shareholders
CONSTANT CONTACT INC shareholders Q3 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 3,800$90,0000.00%
Citadel Advisors 2,900$69,0000.00%
View complete list of CONSTANT CONTACT INC shareholders