<SEC-DOCUMENT>0001144204-17-009010-index.html : 20170214
<SEC-HEADER>0001144204-17-009010.hdr.sgml : 20170214
<ACCEPTANCE-DATETIME>20170214173320
ACCESSION NUMBER:		0001144204-17-009010
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170214
DATE AS OF CHANGE:		20170214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZOGENIX, INC.
		CENTRAL INDEX KEY:			0001375151
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				205300780
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85795
		FILM NUMBER:		17610816

	BUSINESS ADDRESS:	
		STREET 1:		5858 HORTON STREET, #455
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		(510) 550-8300

	MAIL ADDRESS:	
		STREET 1:		5858 HORTON STREET, #455
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ZOGENIX INC
		DATE OF NAME CHANGE:	20060911

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RA Capital Healthcare Fund LP
		CENTRAL INDEX KEY:			0001315082
		IRS NUMBER:				830406780
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		20 PARK PLAZA, SUITE 1200
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		6177782500

	MAIL ADDRESS:	
		STREET 1:		20 PARK PLAZA, SUITE 1200
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RA Capital Biotech Fund LP
		DATE OF NAME CHANGE:	20050121
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>v459256_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: v459256_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>