IONIS PHARMACEUTICALS INC
Institutional Ownership & Holdings Analysis
About
ionis-pharmaceuticals is a publicly traded company tracked by institutional investors. This page displays information about the institutional ownership of the company's shares, showing which investment funds and asset managers hold positions in the company.
Top Institutional Holders
| # | Institution | Value |
|---|---|---|
| 1 | FMR LLC(2025-03-31) | $712.4M |
| 2 | VANGUARD GROUP INC(2025-03-31) | $494.3M |
| 3 | T. Rowe Price Investment Management, Inc.(2025-03-31) | $488.0M |
| 4 | Capital World Investors(2025-03-31) | $373.0M |
| 5 | BlackRock, Inc.(2025-03-31) | $339.8M |
| 6 | WELLINGTON MANAGEMENT GROUP LLP(2025-03-31) | $253.9M |
| 7 | Bellevue Group AG(2025-03-31) | $236.9M |
| 8 | STATE STREET CORP(2025-03-31) | $146.2M |
| 9 | Deep Track Capital, LP(2025-03-31) | $137.7M |
| 10 | CITADEL ADVISORS LLC(2025-03-31) | $105.0M |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/(2025-03-31) | $98.5M |
| 12 | Tweedy, Browne Co LLC(2025-03-31) | $90.0M |
| 13 | GEODE CAPITAL MANAGEMENT, LLC(2025-03-31) | $85.8M |
| 14 | ORBIMED ADVISORS LLC(2025-03-31) | $76.6M |
| 15 | TWO SIGMA ADVISERS, LP(2025-03-31) | $63.1M |
| 16 | NORGES BANK(2024-12-31) | $59.9M |
| 17 | BVF INC/IL(2025-03-31) | $57.7M |
| 18 | UBS Group AG(2025-03-31) | $57.0M |
| 19 | Clearbridge Investments, LLC(2024-12-31) | $56.6M |
| 20 | TWO SIGMA INVESTMENTS, LP(2025-03-31) | $50.9M |
#1FMR LLC
As of 2025-03-31
Value:$712.4M
As of 2025-03-31
Value:$494.3M
As of 2025-03-31
Value:$488.0M
As of 2025-03-31
Value:$373.0M
As of 2025-03-31
Value:$339.8M
As of 2025-03-31
Value:$253.9M
As of 2025-03-31
Value:$236.9M
As of 2025-03-31
Value:$146.2M
As of 2025-03-31
Value:$137.7M
As of 2025-03-31
Value:$105.0M
As of 2025-03-31
Value:$98.5M
As of 2025-03-31
Value:$90.0M
As of 2025-03-31
Value:$85.8M
As of 2025-03-31
Value:$76.6M
As of 2025-03-31
Value:$63.1M
#16NORGES BANK
As of 2024-12-31
Value:$59.9M
#17BVF INC/IL
As of 2025-03-31
Value:$57.7M
#18UBS Group AG
As of 2025-03-31
Value:$57.0M
As of 2024-12-31
Value:$56.6M
As of 2025-03-31
Value:$50.9M
Total Institutional Holders:412
Top 10 Holders Own:63.9%