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 2023
Institutional positions in Ionis Pharmaceuticals Inc as of Jun 30, 2023. 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
- 305
- −10 vs. Q1 2023
- Shares held
- 136.5M
- +5.40M (+4.1%) vs. Q1 2023
- Total value
- $5.60B
- +$907.9M (+19.3%) vs. Q1 2023
- New holders
- 33
- 97 more added
- Sold out
- 43
- 111 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bellevue Group AG | 9,380,300 | $384.9M | 5.49% | −131,600−1.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 13,083,727 | $536.8M | 0.37% | +19,680+0.2% | Added |
| Vanguard Group Inc | 14,523,266 | $595.9M | 0.01% | +547,476+3.9% | Added |
| FMR LLC | 21,463,816 | $880.7M | 0.07% | +27,482+0.1% | Added |
| Quilter Plc | 363 | – | – | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −265,330−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −136,967−100.0% | Sold out |
| M28 Capital Management LP | 0 | $0 | 0.00% | −126,300−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −101,426−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −67,918−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −37,598−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −27,200−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −27,185−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −23,652−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −21,227−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −18,473−100.0% | Sold out |
| Lincoln National Corp | 0 | $0 | 0.00% | −13,034−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −12,790−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −11,866−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −11,314−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −9,422−100.0% | Sold out |
| Northeast Financial Consultants Inc | 0 | $0 | 0.00% | −7,740−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −7,326−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −7,056−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −6,623−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −5,896−100.0% | Sold out |
| Kapitalo Investimentos Ltda | 0 | $0 | 0.00% | −3,381−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −3,073−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −2,240−100.0% | Sold out |
| Values First Advisors, Inc. | 0 | $0 | 0.00% | −1,594−100.0% | Sold out |
| United Community Bank | 0 | $0 | 0.00% | −1,131−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,019−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −548−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −519−100.0% | Sold out |
| Strategic Investment Solutions, Inc. | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −499−100.0% | Sold out |
| Advent Capital Management | 0 | $0 | 0.00% | −464−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Ameritas Advisory Services, LLC | 0 | $0 | 0.00% | −191−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −146−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −123−100.0% | Sold out |
| Abound Wealth Management | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −55−100.0% | Sold out |
| Jackson, Grant Investment Advisers, Inc. | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Orion Capital Management LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Central Bank & Trust Co | 0 | $0 | 0.00% | −28−100.0% | Sold out |