SIMPLEX TRADING, LLC - ZOGENIX INC ownership

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ZOGENIX INC
ValueSharesWeighting
Q2 2015$2,00071
-21.1%
0.00%
Q1 2015$0
-100.0%
90
+164.7%
0.00%
Q4 2014$1,000340.00%
Other shareholders
ZOGENIX INC shareholders Q3 2015
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 204,800$236,0000.00%
PEAK6 Group LLC 50,000$58,0000.00%
Citadel Advisors 5,000$6,0000.00%
View complete list of ZOGENIX INC shareholders