Filing Manager
Capital World Investors
Reporting Manager
Capital World Investors
Symbol
IONS
Shares outstanding
161,813,505 shares
Disclosed Ownership
17,961,299 shares
Ownership
11%
Form type
SCHEDULE 13G/A
Filing time
07 Jan 2026, 19:48:26 UTC
Date of event
31 Dec 2025
Previous filing
13 Feb 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Capital World Investors 11% 17,961,299 17,961,299 0 Timothy J. Moon Vice President and Senior Counsel, Capital Research and Management Company