BlackRock, Inc. - 31 Mar 2025 SCHEDULE 13G/A Report for IONIS PHARMACEUTICALS INC Common Stock (IONS)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: IONIS PHARMACEUTICALS INC Common Stock
Symbol: IONS
Shares outstanding: 159M shares
Disclosed Ownership: 9.07M shares
Ownership: 5.7%
Form type: SCHEDULE 13G/A
Filing time: 17 Apr 2025, 09:35:37 UTC
Date of event: 31 Mar 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	5.7%	9.07M	8.8M	0	Spencer Fleming	Managing Director