<SEC-DOCUMENT>0001564590-21-013154-index.html : 20210315
<SEC-HEADER>0001564590-21-013154.hdr.sgml : 20210315
<ACCEPTANCE-DATETIME>20210315161033
ACCESSION NUMBER:		0001564590-21-013154
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210315
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210315
DATE AS OF CHANGE:		20210315

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39321
		FILM NUMBER:		21741585

	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>8-K
<SEQUENCE>1
<FILENAME>rna-8k_20210315.htm
<DESCRIPTION>8-K Q420 EARNINGS RELEASE
<TEXT>
Document 1 - file: rna-8k_20210315.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>rna-ex991_6.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: rna-ex991_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>gzslcdf12ylg000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: gzslcdf12ylg000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>