GROUP ONE TRADING, L.P. - ENTEROMEDICS INC ownership

ENTEROMEDICS INC's ticker is and the CUSIP is 29365M908. A total of 2 filers reported holding ENTEROMEDICS INC in Q4 2014. 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 ENTEROMEDICS INC
ValueSharesWeighting
Q4 2015$1,000
-83.3%
10,900
-50.2%
0.00%
Q3 2015$6,000
-60.0%
21,900
-6.8%
0.00%
Q2 2015$15,000
-37.5%
23,500
-8.9%
0.00%
Q1 2015$24,000
-63.6%
25,800
-44.2%
0.00%
-100.0%
Q4 2014$66,000
-12.0%
46,200
-24.5%
0.00%0.0%
Q3 2014$75,000
-83.9%
61,200
-79.5%
0.00%
-85.7%
Q2 2014$466,000
+49.4%
298,900
+74.3%
0.01%
+40.0%
Q1 2014$312,000
+69.6%
171,500
+89.7%
0.01%
+66.7%
Q4 2013$184,000
+18300.0%
90,400
+11200.0%
0.00%
Q3 2013$1,000
-83.3%
800
-85.7%
0.00%
Q2 2013$6,0005,6000.00%
Other shareholders
ENTEROMEDICS INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 46,200$66,0000.00%
SIMPLEX TRADING, LLC 1$00.00%
View complete list of ENTEROMEDICS INC shareholders