Live feed
Filing
SCHEDULE 13G/A
SCHEDULE 13G/A0001897612-25-000512·IONIS PHARMACEUTICALS INC
Schedule 13G ownership disclosure
IONIS PHARMACEUTICALS INC
COMMON STOCK · CUSIP: 462222100
Event date: 2025-09-30
- Filing-level shares
- 13,157,114
- Percent of class
- 8.3%
- T. Rowe Price Investment Management, Inc.
Shares: 13,157,114 · Class: 8.3%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001897612-25-000512
- Form type
- SCHEDULE 13G/A
- Filer
- IONIS PHARMACEUTICALS INC
- CIK
- CIK 874015
- Filed
- Nov 14, 2025
- Reporting period
- Sep 30, 2025
- Description
- Schedule 13G beneficial ownership