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 |
|---|---|---|---|---|---|
| Tekla Capital Management LLC | 87,840 | $3.60M | 0.14% | 00.0% | Unchanged |
| Davenport & Co LLC | 87,817 | $3.60M | 0.03% | +7,200+8.9% | Added |
| Cubist Systematic Strategies, LLC | 84,961 | $3.49M | 0.04% | +84,961 | New |
| LPL Financial LLC | 82,035 | $3.37M | 0.00% | +13,041+18.9% | Added |
| Citigroup Inc | 81,747 | $3.35M | 0.00% | −103,226−55.8% | Reduced |
| State of New Jersey Common Pension Fund D | 80,433 | $3.30M | 0.01% | 00.0% | Unchanged |
| Bank of Nova Scotia | 78,042 | $3.20M | 0.01% | +36,636+88.5% | Added |
| PFS Investments Inc. | 72,791 | $2.99M | 0.05% | +150.0% | Added |
| UBS Oconnor LLC | 72,059 | $2.96M | 0.06% | −35,430−33.0% | Reduced |
| Marshall Wace, LLP | 69,063 | $2.83M | 0.01% | +69,063 | New |
| Squarepoint Ops LLC | 67,809 | $2.78M | 0.02% | −45,591−40.2% | Reduced |
| Public Employees Retirement System of Ohio | 64,426 | $2.64M | 0.01% | −5,793−8.2% | Reduced |
| Treasurer of the State of North Carolina | 62,222 | $2.55M | 0.01% | +480+0.8% | Added |
| Janus Henderson Group PLC | 59,802 | $2.45M | 0.00% | −57−0.1% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 59,626 | $2.45M | 0.02% | +40,770+216.2% | Added |
| Voya Investment Management LLC | 59,496 | $2.44M | 0.00% | +5,764+10.7% | Added |
| Bokf, NA | 58,750 | $2.41M | 0.05% | −1,511−2.5% | Reduced |
| Guggenheim Capital LLC | 51,926 | $2.13M | 0.02% | −11,637−18.3% | Reduced |
| Erste Asset Management GmbH | 51,300 | $2.11M | 0.04% | 00.0% | Unchanged |
| Algert Global LLC | 49,252 | $2.02M | 0.09% | −9,400−16.0% | Reduced |
| Private Advisor Group, LLC | 47,830 | $1.96M | 0.02% | −637−1.3% | Reduced |
| Ensign Peak Advisors, Inc | 46,310 | $1.90M | 0.00% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 43,000 | $1.76M | 0.54% | 00.0% | Unchanged |
| NJ State Employees Deferred Compensation Plan | 42,000 | $1.72M | 0.25% | 00.0% | Unchanged |
| Capital Counsel LLC | 40,230 | $1.65M | 0.09% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 39,044 | $1.60M | 0.01% | −3,165−7.5% | Reduced |
| Tudor Investment Corp Et Al | 39,025 | $1.60M | 0.03% | −33,552−46.2% | Reduced |
| Profund Advisors LLC | 36,284 | $1.49M | 0.08% | −125−0.3% | Reduced |
| Arizona State Retirement System | 36,138 | $1.48M | 0.01% | −905−2.4% | Reduced |
| Envestnet Asset Management Inc | 36,069 | $1.48M | 0.00% | +580+1.6% | Added |
| Teacher Retirement System of Texas | 34,903 | $1.43M | 0.01% | −4,480−11.4% | Reduced |
| Virginia Retirement Systems Et Al | 34,600 | $1.42M | 0.01% | +11,700+51.1% | Added |
| Engineers Gate Manager LP | 34,047 | $1.40M | 0.05% | −293−0.9% | Reduced |
| Principal Financial Group Inc | 33,270 | $1.37M | 0.00% | −1,396−4.0% | Reduced |
| Estate Counselors, LLC | 33,110 | $1.36M | 0.17% | 00.0% | Unchanged |
| Grandfield & Dodd, LLC | 32,679 | $1.34M | 0.09% | +395+1.2% | Added |
| Van Eck Associates Corp | 31,361 | $1.29M | 0.00% | +12,186+63.6% | Added |
| Bard Financial Services, Inc. | 31,300 | $1.28M | 0.10% | −525−1.6% | Reduced |
| Janney Montgomery Scott LLC | 31,103 | $1.28M | 0.00% | −1,505−4.6% | Reduced |
| Handelsbanken Fonder AB | 30,711 | $1.26M | 0.01% | +12,200+65.9% | Added |
| Amalgamated Bank | 29,459 | $1.21M | 0.01% | +351+1.2% | Added |
| Great West Life Assurance Co | 28,043 | $1.16M | 0.00% | +621+2.3% | Added |
| Massachusetts Financial Services Co | 26,529 | $1.09M | 0.00% | −624−2.3% | Reduced |
| Vestmark Advisory Solutions, Inc. | 23,623 | $969.3K | 0.04% | +4,556+23.9% | Added |
| Allianz Asset Management GmbH | 23,100 | $947.8K | 0.00% | −85,148−78.7% | Reduced |
| Canada Pension Plan Investment Board | 21,019 | $862.4K | 0.00% | −57,600−73.3% | Reduced |
| Commonwealth Equity Services, LLC | 20,573 | $844.0K | 0.00% | −65−0.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,012 | $821.1K | 0.00% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 19,604 | $804.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 19,493 | $800.0K | 0.01% | +19,493 | New |
| PDT Partners, LLC | 18,498 | $759.0K | 0.10% | +18,498 | New |
| Xponance, Inc. | 18,266 | $749.5K | 0.01% | +339+1.9% | Added |
| Koss-Olinger Consulting, LLC | 17,907 | $735.0K | 0.09% | −361−2.0% | Reduced |
| Mariner, LLC | 17,374 | $712.9K | 0.00% | +10,853+166.4% | Added |
| Blair William & Co | 16,384 | $672.2K | 0.00% | +1,740+11.9% | Added |
| Point72 Middle East FZE | 16,304 | $669.0K | 0.04% | +16,304 | New |
| Natixis Advisors, L.P. | 16,198 | $665.0K | 0.00% | +122+0.8% | Added |
| Aigen Investment Management, LP | 16,019 | $657.3K | 0.10% | +16,019 | New |
| SEI Investments Co | 15,310 | $628.2K | 0.00% | −30,614−66.7% | Reduced |
| Creative Planning | 15,243 | $625.4K | 0.00% | +1,611+11.8% | Added |
| Neuberger Berman Group LLC | 15,206 | $623.9K | 0.00% | +74+0.5% | Added |
| Victory Capital Management Inc | 15,088 | $619.1K | 0.00% | −351−2.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 14,142 | $580.2K | 0.00% | −11,510−44.9% | Reduced |
| Martingale Asset Management L P | 14,034 | $575.8K | 0.01% | +91+0.7% | Added |
| US Bancorp | 14,020 | $575.2K | 0.00% | −2,102−13.0% | Reduced |
| North Star Asset Management Inc | 13,640 | $559.6K | 0.03% | −40−0.3% | Reduced |
| Westmount Partners, LLC | 13,462 | $552.3K | 0.24% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 13,000 | $533.4K | 0.01% | 00.0% | Unchanged |
| American Century Companies Inc | 12,607 | $517.3K | 0.00% | −556−4.2% | Reduced |
| Bleakley Financial Group, LLC | 12,538 | $514.4K | 0.02% | +291+2.4% | Added |
| Sawtooth Solutions, LLC | 12,465 | $511.4K | 0.01% | +218+1.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 11,913 | $489.4K | 0.00% | −3,658−23.5% | Reduced |
| AtonRa Partners | 11,636 | $477.4K | 0.74% | −708−5.7% | Reduced |
| Brown Advisory Inc | 11,587 | $475.4K | 0.00% | +126+1.1% | Added |
| HighTower Advisors, LLC | 11,249 | $461.0K | 0.00% | −220−1.9% | Reduced |
| Plancorp, LLC | 11,155 | $457.7K | 0.02% | −20.0% | Reduced |
| Oppenheimer Asset Management Inc. | 11,019 | $452.1K | 0.01% | −36−0.3% | Reduced |
| E Fund Management Co., Ltd. | 10,988 | $451.0K | 0.04% | −384−3.4% | Reduced |
| Maryland State Retirement & Pension System | 10,950 | $449.3K | 0.01% | 00.0% | Unchanged |
| Waddell & Associates, LLC | 10,042 | $412.0K | 0.06% | 00.0% | Unchanged |
| Deutsche Bank AG | 9,426 | $386.7K | 0.00% | −36,300−79.4% | Reduced |
| Captrust Financial Advisors | 9,327 | $382.7K | 0.00% | −131−1.4% | Reduced |
| Ameriprise Financial Inc | 9,260 | $379.9K | 0.00% | +343+3.8% | Added |
| ProShare Advisors LLC | 9,258 | $379.9K | 0.00% | −653−6.6% | Reduced |
| Franklin Resources Inc | 9,171 | $376.3K | 0.00% | −1,229−11.8% | Reduced |
| Advisor Group Holdings, Inc. | 8,761 | $359.6K | 0.00% | −774−8.1% | Reduced |
| Nicollet Investment Management, Inc. | 8,758 | $359.0K | 0.16% | +293+3.5% | Added |
| Vontobel Holding Ltd. | 8,566 | $351.5K | 0.00% | −1,250−12.7% | Reduced |
| Virtus ETF Advisers LLC | 8,418 | $345.4K | 0.20% | +374+4.6% | Added |
| The PNC Financial Services Group, Inc. | 8,371 | $343.5K | 0.00% | −10−0.1% | Reduced |
| Gotham Asset Management, LLC | 8,065 | $330.9K | 0.01% | −5,168−39.1% | Reduced |
| Wrapmanager Inc | 7,993 | $328.0K | 0.10% | −680−7.8% | Reduced |
| MetLife Investment Management | 7,922 | $325.0K | 0.00% | −178−2.2% | Reduced |
| Castle Rock Wealth Management, LLC | 7,372 | $311.0K | 0.11% | −12,013−62.0% | Reduced |
| Stephens Inc | 7,506 | $308.0K | 0.01% | +164+2.2% | Added |
| Utah Retirement Systems | 7,500 | $307.7K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 7,474 | $307.0K | 0.00% | −1,000−11.8% | Reduced |
| JustInvest LLC | 7,167 | $294.1K | 0.01% | +1,301+22.2% | Added |
| Tanaka Capital Management Inc | 7,112 | $292.0K | 0.79% | 00.0% | Unchanged |
| Corton Capital Inc. | 6,929 | $284.3K | 0.13% | −2,111−23.4% | Reduced |