Ionis Pharmaceuticals Inc
IONS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000874015
In the last 90 days, Ionis Pharmaceuticals Inc insiders filed 1 open-market purchase and 4 sales; 515 institutions reported holding it in 13F filings for Q2 2026, worth $14.3B in total; ARK Invest is the only superinvestor holding it.
13F holders, Q2 2021
Institutional positions in Ionis Pharmaceuticals Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 338
- −24 vs. Q1 2021
- Shares held
- 124.4M
- +2.62M (+2.2%) vs. Q1 2021
- Total value
- $4.96B
- −$516.2M (−9.4%) vs. Q1 2021
- New holders
- 51
- 116 more added
- Sold out
- 75
- 103 more reduced
3 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IONS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 515 | $14.3B |
| Q1 2026 | 497 | $13.0B |
| Q4 2025 | 494 | $13.5B |
| Q3 2025 | 437 | $11.0B |
| Q2 2025 | 363 | $6.67B |
| Q1 2025 | 344 | $5.03B |
| Q4 2024 | 356 | $5.61B |
| Q3 2024 | 354 | $6.31B |
| Q2 2024 | 357 | $6.83B |
| Q1 2024 | 361 | $6.17B |
| Q4 2023 | 365 | $7.21B |
| Q3 2023 | 312 | $6.35B |
| Q2 2023 | 305 | $5.60B |
| Q1 2023 | 315 | $4.69B |
| Q4 2022 | 339 | $4.93B |
| Q3 2022 | 350 | $5.59B |
| Q2 2022 | 351 | $4.61B |
| Q1 2022 | 333 | $4.63B |
| Q4 2021 | 341 | $3.75B |
| Q3 2021 | 326 | $4.08B |
| Q2 2021 | 338 | $4.96B |
| Q1 2021 | 365 | $5.55B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −589−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −462−100.0% | Sold out |
| Eudaimonia Partners, LLC | 0 | $0 | 0.00% | −223−100.0% | Sold out |
| WealthShield Partners, LLC | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Center for Financial Planning, Inc. | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| TFC Financial Management | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Cypress Capital, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Costello Asset Management, INC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Waddell & Reed Financial Inc | – | – | – | – | Not filed |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |
| Bokf, NA | – | – | – | – | Not filed |