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

ZOGENIX INC's ticker is ZGNX and the CUSIP is 98978L105. A total of 90 filers reported holding ZOGENIX INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ZOGENIX INC
ValueSharesWeighting
Q3 2014$0
-100.0%
248
-98.1%
0.00%
-100.0%
Q4 2013$46,00013,3220.00%
Other shareholders
ZOGENIX INC shareholders Q4 2013
NameSharesValueWeighting ↓
Opaleye Management Inc. 250,000$3,375,0001.66%
GAGNON SECURITIES LLC 131,083$1,770,0000.87%
PURA VIDA INVESTMENTS, LLC 58,750$793,0000.45%
View complete list of ZOGENIX INC shareholders