<SEC-DOCUMENT>0001826466-21-000107-index.html : 20210806
<SEC-HEADER>0001826466-21-000107.hdr.sgml : 20210806
<ACCEPTANCE-DATETIME>20210806112017
ACCESSION NUMBER:		0001826466-21-000107
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210804
FILED AS OF DATE:		20210806
DATE AS OF CHANGE:		20210806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RTW INVESTMENTS, LP
		CENTRAL INDEX KEY:			0001493215
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39321
		FILM NUMBER:		211151544

	BUSINESS ADDRESS:	
		STREET 1:		40 10TH AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		646-597-6980

	MAIL ADDRESS:	
		STREET 1:		40 10TH AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014

	FORMER NAME:	
		FORMER CONFORMED NAME:	RTW INVESTMENTS, LLC
		DATE OF NAME CHANGE:	20100602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WONG RODERICK
		CENTRAL INDEX KEY:			0001493280

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39321
		FILM NUMBER:		211151543

	MAIL ADDRESS:	
		STREET 1:		412 WEST 15TH STREET
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>