RTW INVESTMENTS, LP - 27 Oct 2025 SCHEDULE 13D/A Report for Avidity Biosciences, Inc. Common Stock, par value $0.0001 per share (RNA)

Filing Manager: RTW INVESTMENTS, LP
Reporting Manager: RTW Investments, LP
Security: Avidity Biosciences, Inc. Common Stock, par value $0.0001 per share
Symbol: RNA
Shares outstanding: 151,164,839 shares
Disclosed Ownership: 4,686,110 shares
Ownership: 3.1%
Form type: SCHEDULE 13D/A
Filing time: 29 Oct 2025, 21:14:09 UTC
Date of event: 27 Oct 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
RTW Investments, LP	3.1%	4,686,110	0	4,686,110	/s/ Roderick Wong, M.D.	Roderick Wong, M.D., Managing Partner	0001493215
Roderick Wong	3.1%	4,686,110	0	4,686,110	/s/ Roderick Wong, M.D.	Roderick Wong, M.D.	0001493280