<SEC-DOCUMENT>0001104659-21-023914-index.html : 20210216
<SEC-HEADER>0001104659-21-023914.hdr.sgml : 20210216
<ACCEPTANCE-DATETIME>20210216160616
ACCESSION NUMBER:		0001104659-21-023914
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210216
DATE AS OF CHANGE:		20210216
GROUP MEMBERS:		JEREMY C. GREEN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Annexon, Inc.
		CENTRAL INDEX KEY:			0001528115
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				275414423
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91583
		FILM NUMBER:		21638113

	BUSINESS ADDRESS:	
		STREET 1:		180 KIMBALL WAY
		STREET 2:		SUITE 200
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		(650)-822-5500

	MAIL ADDRESS:	
		STREET 1:		180 KIMBALL WAY
		STREET 2:		SUITE 200
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Redmile Group, LLC
		CENTRAL INDEX KEY:			0001425738
		IRS NUMBER:				208592298
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
		BUSINESS PHONE:		415-489-9980

	MAIL ADDRESS:	
		STREET 1:		ONE LETTERMAN DRIVE
		STREET 2:		BUILDING D, SUITE D3-300
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94129
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>tm215825d5_sc13g.htm
<DESCRIPTION>SCHEDULE 13G
<TEXT>
Document 1 - file: tm215825d5_sc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>tm215825d5_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: tm215825d5_ex99-1.htm

</DOCUMENT>
</SEC-DOCUMENT>