Who owns Ionis Pharmaceuticals?
- Ticker: IONS
- CUSIP Number: 462222100
Tip: Access positions for across all investors
Analyze quarterly positions in Ionis Pharmaceuticals with up to 7 years of data, all consolidated into one spreadsheet
Download as csv
Download as Excel
Top investors of Ionis Pharmaceuticals stock
Who bought or sold Ionis Pharmaceuticals this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| FMR | 24M | $1.5B | 0% | Sep 2025 |
|
| Capital World Investors | 18M | $1.4B | 41% | Dec 2025 |
|
| Vanguard Group | 16M | $1.3B | 0% | Dec 2025 |
|
| BlackRock | 11M | $842M | 2% | Dec 2025 |
|
| T. Rowe Price Investment Management | 9.1M | $721M | -31% | Dec 2025 |
|
| Wellington Management Company | 6.6M | $431M | 4% | Sep 2025 |
|
| Bellevue Group | 4.8M | $380M | -23% | Dec 2025 |
|
| State Street Corporation | 4.0M | $315M | -9% | Dec 2025 |
|
| Geode Capital Management | 3.1M | $249M | 3% | Dec 2025 |
|
| Citadel Advisors | 2.6M | $169M | 58% | Sep 2025 |
|
| Tweedy, Browne Company | 2.5M | $195M | -15% | Dec 2025 |
|
| Two Sigma Advisers | 2.1M | $136M | -22% | Sep 2025 |
|
| Deerfield Management Company | 2.0M | $157M | 0% | Dec 2025 |
|
| Summit Partners Public Asset Management | 1.8M | $139M | 31% | Dec 2025 |
|
| Deep Track Capital | 1.7M | $135M | -55% | Dec 2025 |
|
| American Century Companies | 1.6M | $128M | 18% | Dec 2025 |
|
| Two Sigma Investments | 1.6M | $103M | -12% | Sep 2025 |
|
| Charles Schwab Investment Management | 1.5M | $122M | 1% | Dec 2025 |
|
| Royal Bank of Canada | 1.5M | $95M | 57% | Sep 2025 |
|
| Pictet Asset Management Holding SA | 1.4M | $113M | 2% | Dec 2025 |
|
| Ubs Global Asset Management Americas | 1.4M | $110M | 20% | Dec 2025 |
|
| Bnp Paribas Investment Partners | 1.4M | $107M | 28% | Dec 2025 |
|
| Polar Capital Holdings | 1.3M | $106M | 29% | Dec 2025 |
|
| Franklin Resources | 1.3M | $105M | 19942% | Dec 2025 |
|
| Adage Capital Partners GP | 1.3M | $86M | -65% | Sep 2025 |
|
| Invesco | 1.3M | $100M | 145% | Dec 2025 |
|
| Artisan Partners Limited Partnership | 1.2M | $94M | 33% | Dec 2025 |
|
| Barclays | 1.1M | $89M | 10% | Dec 2025 |
|
| Connor, Clark & Lunn Investment Management | 1.1M | $85M | 23% | Dec 2025 |
|
| Goldman Sachs Group | 1.1M | $85M | -3% | Dec 2025 |
|
| Arrowstreet Capital, Limited Partnership | 1.1M | $84M | 69% | Dec 2025 |
|
| UBS Group | 1.0M | $83M | 0% | Dec 2025 |
|
| Balyasny Asset Management | 1.0M | $67M | -1% | Sep 2025 |
|
| Nomura Holdings | 972k | $77M | 32% | Dec 2025 |
|
| Susquehanna International | 848k | $67M | -25% | Dec 2025 |
|
| Northern Trust | 847k | $67M | 0% | Dec 2025 |
|
| Massachusetts Financial Services | 813k | $64M | -6% | Dec 2025 |
|
| Jennifer Ranahan | 787k | $62M | 198% | Dec 2025 |
|
| Millennium Management | 780k | $51M | -71% | Sep 2025 |
|
| TD Asset Management | 773k | $61M | -19% | Dec 2025 |
|
| Groupama Asset Managment | 767k | $61M | -28% | Dec 2025 |
|
| Candriam Luxembourg S.C.A. | 678k | $54M | 11% | Dec 2025 |
|
| Nuveen | 661k | $52M | 59% | Dec 2025 |
|
| D. E. Shaw & Co | 631k | $41M | 100% | Sep 2025 |
|
| Ameriprise Financial | 599k | $47M | -22% | Dec 2025 |
|
| Voloridge Investment Management | 585k | $46M | -27% | Dec 2025 |
|
| Eventide Asset Management | 575k | $46M | 100% | Dec 2025 |
|
| Baker Bros. Advisors | 567k | $37M | 100% | Sep 2025 |
|
| Tri Locum Partners | 557k | $44M | 100% | Dec 2025 |
|
| Jpmorgan Chase & Co | 545k | $36M | 100% | Sep 2025 |
|
| Eversept Partners | 538k | $43M | 0% | Dec 2025 |
|
| Bank of New York Mellon | 538k | $43M | 1% | Dec 2025 |
|
| First Trust Advisors | 525k | $42M | 598% | Dec 2025 |
|
| Alyeska Investment Group | 482k | $38M | 55% | Dec 2025 |
|
| Hudson Bay Capital Management | 475k | $38M | -8% | Dec 2025 |
|
| Gail Mannix | 462k | $37M | -4% | Dec 2025 |
|
| Amundi | 461k | $37M | 354% | Dec 2025 |
|
| Squarepoint Ops | 443k | $35M | -4% | Dec 2025 |
|
| ARK Investment Management | 423k | $34M | -33% | Dec 2025 |
|
| Teacher Retirement System Of Texas | 423k | $34M | -11% | Dec 2025 |
|
| Boone Capital Management | 418k | $33M | 0% | Dec 2025 |
|
| AXA Investment Managers | 407k | $27M | 100% | Sep 2025 |
|
| CAM Group Holding A/S | 366k | $29M | -14% | Dec 2025 |
|
| Jain Global | 356k | $28M | 58% | Dec 2025 |
|
| Bnp Paribas Arbitrage, Snc | 335k | $27M | -13% | Dec 2025 |
|
| Legal & General Group | 325k | $26M | 2% | Dec 2025 |
|
| Norges Bank Investment Management | 320k | $25M | 100% | Dec 2025 |
|
| Swiss National Bank | 299k | $24M | 2% | Dec 2025 |
|
| Ikarian Capital | 297k | $24M | -31% | Dec 2025 |
|
| Wells Fargo & Company | 280k | $22M | -2% | Dec 2025 |
|
| Sector Gamma ASA | 271k | $18M | -5% | Sep 2025 |
|
| Zurich Insurance Group Ltd/FI | 262k | $21M | 100% | Dec 2025 |
|
| Raymond James Financial | 257k | $20M | 7% | Dec 2025 |
|
| Marshall Wace | 257k | $20M | -73% | Dec 2025 |
|
| Algert Coldiron Investors | 252k | $17M | 562% | Sep 2025 |
|
| New York State Common Retirement Fund | 242k | $19M | 44% | Dec 2025 |
|
| Privium Fund Management B.V. | 241k | $19M | -3% | Dec 2025 |
|
| Davern Capital Partners | 239k | $19M | 100% | Dec 2025 |
|
| Orion Investment | 225k | $18M | 0% | Dec 2025 |
|
| Renaissance Technologies | 224k | $18M | -54% | Dec 2025 |
|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 220k | $17M | 11% | Dec 2025 |
|
| Davenport & Co | 218k | $17M | 248% | Dec 2025 |
|
| CI Private Wealth | 215k | $17M | 3162% | Dec 2025 |
|
| CalPERS | 213k | $17M | -1% | Dec 2025 |
|
| Tocqueville Asset Management | 205k | $16M | 6% | Dec 2025 |
|
| Stifel Financial | 199k | $16M | -2% | Dec 2025 |
|
| Colony | 182k | $14M | 100% | Dec 2025 |
|
| Dimensional Fund Advisors | 176k | $14M | 317% | Dec 2025 |
|
| Rhumbline Advisers | 175k | $14M | -4% | Dec 2025 |
|
| Sonora Investment Management Group | 170k | $11M | 4% | Sep 2025 |
|
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 168k | $13M | 100% | Dec 2025 |
|
| Man Group | 166k | $13M | -50% | Dec 2025 |
|
| Sicart Associates | 164k | $13M | 0% | Dec 2025 |
|
| Rhenman & Partners Asset Management AB | 159k | $13M | -49% | Dec 2025 |
|
| CenterBook Partners | 154k | $12M | 100% | Dec 2025 |
|
| Manufacturers Life Insurance Company | 153k | $12M | 56% | Dec 2025 |
|
| Deutsche Bank Aktiengesellschaft | 149k | $12M | 68% | Dec 2025 |
|
| Wintrust Financial Corporation | 149k | $12M | -20% | Dec 2025 |
|
| ADAR1 Capital Management | 147k | $12M | 10% | Dec 2025 |
|
| Caption Management | 145k | $12M | 26% | Dec 2025 |
|
| Artia Global Partners | 144k | $11M | 140% | Dec 2025 |
|
| California State Teachers Retirement System | 144k | $11M | -1% | Dec 2025 |
|
| Fisher Investments | 142k | $11M | 2180% | Dec 2025 |
|
| Florida State Board of Administration | 136k | $11M | -5% | Dec 2025 |
|
| Aquatic Capital Management | 133k | $11M | -16% | Dec 2025 |
|
| Trexquant Investment | 132k | $11M | -39% | Dec 2025 |
|
| Edmond De Rothschild Holding | 122k | $9.7M | -22% | Dec 2025 |
|
| Fideuram - Intesa Sanpaolo Private Banking S.p.a. | 122k | $9.6M | 100% | Dec 2025 |
|
| Exome Asset Management | 117k | $9.2M | -11% | Dec 2025 |
|
| Jane Street | 116k | $9.2M | -75% | Dec 2025 |
|
| Sei Investments | 116k | $9.2M | -3% | Dec 2025 |
|
| Skandinaviska Enskilda Banken AB | 115k | $9.1M | -26% | Dec 2025 |
|
| Healthcare Of Ontario Pension Plan Trust Fund | 110k | $8.7M | -5% | Dec 2025 |
|
| Kennedy Capital Management | 109k | $8.6M | -11% | Dec 2025 |
|
| Neuberger Berman Group | 108k | $8.5M | -6% | Dec 2025 |
|
| Diadema Partners | 106k | $8.4M | 6% | Dec 2025 |
|
| DCF Advisers | 103k | $8.1M | -5% | Dec 2025 |
|
| Boothbay Fund Management | 102k | $8.1M | -39% | Dec 2025 |
|
| Simplex Trading | 97k | $7.6M | -4% | Dec 2025 |
|
| Susquehanna Portfolio Strategies | 96k | $7.6M | 0% | Dec 2025 |
|
| State of Wisconsin Investment Board | 95k | $7.5M | -2% | Dec 2025 |
|
| DekaBank Deutsche Girozentrale | 94k | $4.3M | 0% | Dec 2025 |
|
| Sumitomo Mitsui Trust Holdings | 94k | $7.4M | -18% | Dec 2025 |
|
| Nikko Asset Management Americas | 94k | $7.4M | -18% | Dec 2025 |
|
| J. Goldman & Co | 93k | $7.3M | -4% | Dec 2025 |
|
| HealthInvest Partners AB | 92k | $7.3M | 100% | Dec 2025 |
|
| Envestnet Asset Management | 90k | $7.1M | 227% | Dec 2025 |
|
| Nicola Wealth Management | 87k | $6.9M | 0% | Dec 2025 |
|
| ExodusPoint Capital Management | 84k | $6.6M | -45% | Dec 2025 |
|
| Victory Capital Management | 81k | $6.4M | 343% | Dec 2025 |
|
| EFG International | 75k | $6.0M | 100% | Dec 2025 |
|
| Rafferty Asset Management | 74k | $5.9M | -41% | Dec 2025 |
|
| Ing Investment Management | 74k | $5.8M | -34% | Dec 2025 |
|
| Erste Asset Management GmbH | 72k | $5.7M | 0% | Dec 2025 |
|
| Hillsdale Investment Management | 71k | $5.6M | 0% | Dec 2025 |
|
| Bridgewater Associates | 68k | $5.4M | 55% | Dec 2025 |
|
| Police & Firemen's Retirement System of New Jersey | 67k | $5.3M | -4% | Dec 2025 |
|
| Treasurer of the State of North Carolina | 66k | $5.2M | -5% | Dec 2025 |
|
| Wolverine Asset Management | 66k | $5.2M | 87% | Dec 2025 |
|
| Henderson Group | 64k | $4.2M | 100% | Sep 2025 |
|
| Wolverine Trading | 63k | $4.0M | 100% | Sep 2025 |
|
| BI Asset Management Fondsmaeglerselskab A/S | 62k | $4.9M | 100% | Dec 2025 |
|
| BLB^B Advisors | 62k | $4.9M | -48% | Dec 2025 |
|
| State of New Jersey Common Pension Fund D | 55k | $4.3M | -8% | Dec 2025 |
|
| Creative Planning | 55k | $4.3M | 6% | Dec 2025 |
|
| PDT Partners | 54k | $4.3M | 0% | Dec 2025 |
|
| Alliancebernstein | 54k | $3.5M | 4% | Sep 2025 |
|
| Eudaimonia Asset Management | 54k | $4.3M | -2% | Dec 2025 |
|
| Ensign Peak Advisors | 54k | $4.2M | 94% | Dec 2025 |
|
| Alpine Partners VI | 54k | $4.2M | -4% | Dec 2025 |
|
| Van Eck Associates Corp. | 47k | $3.7M | -58% | Dec 2025 |
|
| Lazard Asset Management | 46k | $3.7M | -27% | Dec 2025 |
|
| Hsbc Holdings | 46k | $2.9M | -58% | Sep 2025 |
|
| Russell Investments | 44k | $3.5M | -43% | Dec 2025 |
|
| LMR Partners | 35k | $2.8M | -67% | Dec 2025 |
|
| Acadian Asset Management | 35k | $2.7M | -69% | Dec 2025 |
|
| AH Lisanti Capital Growth | 33k | $2.6M | -64% | Dec 2025 |
|
| Assenagon Asset Management | 29k | $2.3M | -91% | Dec 2025 |
|
| Standard Life Aberdeen | 29k | $2.3M | -67% | Dec 2025 |
|
| Cinctive Capital Management | 14k | $1.1M | -92% | Dec 2025 |
|
| DLD Asset Management | 12k | $981k | -87% | Dec 2025 |
|
| Natixis | 6.1k | $482k | -96% | Dec 2025 |
|
Who sold out of Ionis Pharmaceuticals?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Lombard Odier Asset Management | Sep 2025 | 6.5M | $9.0M |
| BVF | Jun 2025 | 1.9M | $76M |
| Macquarie Group | Sep 2025 | 1.1M | $74M |
| Vestal Point Capital | Sep 2025 | 1.1M | $70M |
| Tang Capital Management | Sep 2025 | 550k | $36M |
| Schonfeld Strategic Advisors | Sep 2025 | 201k | $13M |
| Capricorn Fund Managers | Sep 2025 | 163k | $11M |
| Sovran Advisors | Sep 2025 | 151k | $11M |
| UBS O'Connor | Jun 2025 | 81k | $3.2M |
| Dr. Jeffrey R. Jay, M.D. | Sep 2025 | 80k | $5.2M |