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

TARGACEPT INC's ticker is and the CUSIP is 87611R906. A total of 2 filers reported holding TARGACEPT 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 TARGACEPT INC
ValueSharesWeighting
Q2 2015$55,000
-68.6%
19,800
-66.4%
0.00%
-66.7%
Q1 2015$175,000
+307.0%
59,000
+262.0%
0.00%
+200.0%
Q4 2014$43,000
-54.7%
16,300
-56.6%
0.00%0.0%
Q3 2014$95,000
-76.2%
37,600
-57.7%
0.00%
-83.3%
Q2 2014$400,000
+30.3%
88,800
+37.2%
0.01%
+20.0%
Q1 2014$307,000
+108.8%
64,700
+83.3%
0.01%
+150.0%
Q4 2013$147,000
+25.6%
35,300
+60.5%
0.00%0.0%
Q3 2013$117,000
+37.6%
22,000
+10.6%
0.00%0.0%
Q2 2013$85,00019,9000.00%
Other shareholders
TARGACEPT INC shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 16,300$43,0000.00%
Citadel Advisors 500$1,0000.00%
View complete list of TARGACEPT INC shareholders