IONS

IONIS PHARMACEUTICALS INC

Institutional Ownership · Q4 2025

Filing: Q4 2025

IONIS PHARMACEUTICALS INC (IONS) is held by 477 institutional investors with combined holdings of $12.4B. Major holders include FMR LLC, Capital World Investors, VANGUARD GROUP INC.

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Institutional Holders

477

Total Value

$12.4B

Ownership %

101.9%

🏦 Top Institutional Holders

Capital World Investors

BlackRock, Inc. (BLK)

10.6M shares

$842.4M

6.44% ownership

WELLINGTON MANAGEMENT GROUP LLP

6.3M shares

$495.3M

3.79% ownership

📊 Financials

Income statement, balance sheet, and cash flow from SEC filings.

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