DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) - ZOGENIX INC ownership

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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%.

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Quarter-by-quarter ownership
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) ownership history of ZOGENIX INC
ValueSharesWeighting
Q1 2014$17,567,000
+98.7%
6,174,809
+140.3%
0.72%
+56.6%
Q4 2013$8,841,000
+6.6%
2,570,000
-42.7%
0.46%
+18.7%
Q3 2013$8,297,000
+26.1%
4,482,646
+16.5%
0.39%
+24.5%
Q2 2013$6,581,000–3,848,572–0.31%–
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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