<SEC-DOCUMENT>0000929638-18-000615-index.html : 20180702
<SEC-HEADER>0000929638-18-000615.hdr.sgml : 20180702
<ACCEPTANCE-DATETIME>20180702160443
ACCESSION NUMBER:		0000929638-18-000615
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180702
DATE AS OF CHANGE:		20180702
GROUP MEMBERS:		BIHUA CHEN
GROUP MEMBERS:		CORMORANT GLOBAL HEALTHCARE GP, LLC
GROUP MEMBERS:		CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP
GROUP MEMBERS:		CORMORANT PRIVATE HEALTHCARE FUND I, LP
GROUP MEMBERS:		CORMORANT PRIVATE HEALTHCARE GP, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVROBIO, Inc.
		CENTRAL INDEX KEY:			0001681087
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				810710585
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-90532
		FILM NUMBER:		18932690

	BUSINESS ADDRESS:	
		STREET 1:		ONE KENDALL SQUARE
		STREET 2:		BLDG. 300, SUITE 201
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		7819626030

	MAIL ADDRESS:	
		STREET 1:		ONE KENDALL SQUARE
		STREET 2:		BLDG. 300, SUITE 201
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AvroBio, Inc.
		DATE OF NAME CHANGE:	20160729

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cormorant Asset Management, LP
		CENTRAL INDEX KEY:			0001583977
		IRS NUMBER:				462108927
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		857-702-0388

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET
		STREET 2:		52ND FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cormorant Asset Management, LLC
		DATE OF NAME CHANGE:	20130807
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a71834_sc13g.htm
<TEXT>
Document 1 - file: a71834_sc13g.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>exhibit1.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: exhibit1.htm

</DOCUMENT>
</SEC-DOCUMENT>