IONS Institutional Ownership
Top institutional (13F) holders of IONS and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
53
Institutional value
$10.32B
Top holder
FMR LLC
Couldn’t find the data you were looking for?
We haven’t added IONIS PHARMACEUTICALS INC’s filings yet. We add companies and filings all the time.
Track IONS and we’ll email you the moment its filings are in, free and with no account. Or create a free account to request coverage.
Top holders
| Holder | Filed | Value |
|---|---|---|
| FMR LLCinvestment advisor | Aug 13, 2026 | $1.95B |
| Capital World Investorsinvestment advisor | Aug 12, 2026 | $1.72B |
| BlackRock, Inc.holding company | Aug 7, 2026 | $848.77M |
| Vanguard Portfolio Managementinvestment advisor | Aug 13, 2026 | $623.18M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | Aug 14, 2026 | $606.68M |
| Vanguard Capital Managementinvestment advisor | Aug 13, 2026 | $571.8M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | Aug 14, 2026 | $495.75M |
| ROYAL BANK OF CANADAholding company | Aug 14, 2026 | $490.21M |
| STATE STREET CORPORATIONholding company | Sep 22, 2026 | $343.71M |
| T. Rowe Price Associates, Inc.investment advisor | Aug 14, 2026 | $252.5M |
| JPMORGAN CHASE & COholding company | Aug 12, 2026 | $216.2M |
| Artisan Partners Limited Partnershipinvestment advisor | Aug 13, 2026 | $209.33M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | Aug 14, 2026 | $168.6M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $167.3M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Nov 6, 2026 | $146.38M |
| FRANKLIN RESOURCES INCinvestment advisor | Aug 13, 2026 | $128.72M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | Aug 14, 2026 | $127.26M |
| JANE STREET GROUP, LLCholding company | Aug 14, 2026 | $127.05M |
| MORGAN STANLEYholding company | Aug 13, 2026 | $101.61M |
| Invesco Ltd.holding company | Aug 14, 2026 | $88.86M |
| Tweedy, Browne Co LLCinvestment advisor | Nov 4, 2026 | $80.08M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $72.44M |
| CITADEL ADVISORS LLCinvestment advisor | Sep 1, 2026 | $67.82M |
| Capital International Investorsinvestment advisor | Aug 12, 2026 | $65.32M |
| BANK OF AMERICA CORP /DE/holding company | Aug 14, 2026 | $62.72M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
No current 5%+ holders of IONS on file.
Never miss a IONS filing.
Get an email when IONS files its next 8-K, Form 4, 10-K or 10-Q with the SEC. Free, no account needed.
Free foreverNo account requiredOne-click unsubscribe
Source: SEC EDGAR Schedule 13D / 13G and 13F filings.