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

TARGACEPT INC's ticker is and the CUSIP is 87611R956. A total of 2 filers reported holding TARGACEPT INC in Q4 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 TARGACEPT INC
ValueSharesWeighting
Q2 2015$8,0000.0%2,7000.0%0.00%
Q1 2015$8,000
-71.4%
2,700
-74.8%
0.00%
Q4 2014$28,000
-82.7%
10,700
-83.3%
0.00%
-100.0%
Q3 2014$162,000
-67.2%
64,200
-41.4%
0.00%
-75.0%
Q2 2014$494,000
+131.9%
109,600
+144.6%
0.01%
+100.0%
Q1 2014$213,000
-32.2%
44,800
-40.7%
0.00%
-20.0%
Q4 2013$314,000
+7.5%
75,600
+37.7%
0.01%
-16.7%
Q3 2013$292,000
+2.5%
54,900
-17.8%
0.01%
-14.3%
Q2 2013$285,00066,8000.01%
Other shareholders
TARGACEPT INC shareholders Q4 2013
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 75,600$314,0000.01%
Citadel Advisors 2,000$8,0000.00%
View complete list of TARGACEPT INC shareholders