Reporting Manager
T. Rowe Price Investment Management, Inc.
Symbol
IONS
Shares outstanding
159M shares
Disclosed Ownership
13.2M shares
Ownership
8.3%
Form type
SCHEDULE 13G/A
Filing time
14 Nov 2025, 12:18:24 UTC
Date of event
30 Sep 2025
Previous filing
07 Feb 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
T. Rowe Price Investment Management, Inc. 8.3% 13.2M 13M 0 Ellen York Vice President