<SEC-DOCUMENT>0001193125-21-140587-index.html : 20210429
<SEC-HEADER>0001193125-21-140587.hdr.sgml : 20210429
<ACCEPTANCE-DATETIME>20210429163304
ACCESSION NUMBER:		0001193125-21-140587
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20210429
DATE AS OF CHANGE:		20210429

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Avidity Biosciences, Inc.
		CENTRAL INDEX KEY:			0001599901
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				461336960
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39321
		FILM NUMBER:		21871249

	BUSINESS ADDRESS:	
		STREET 1:		10975 N. TORREY PINES RD.,
		STREET 2:		#150
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037
		BUSINESS PHONE:		858-401-7900

	MAIL ADDRESS:	
		STREET 1:		10975 N. TORREY PINES RD.,
		STREET 2:		#150
		CITY:			LA JOLLA
		STATE:			CA
		ZIP:			92037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Avidity Biosciences LLC
		DATE OF NAME CHANGE:	20161227

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Avidity NanoMedicines LLC
		DATE OF NAME CHANGE:	20140211
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d178915ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d178915ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g178915aro1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g178915aro1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g178915aro2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g178915aro2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g178915comp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g178915comp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g178915email.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g178915email.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g178915grey.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g178915grey.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g178915logoo.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g178915logoo.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g178915phon.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g178915phon.jpg

</DOCUMENT>
</SEC-DOCUMENT>