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 |
|---|---|---|---|---|---|
| USS Investment Management Ltd | 8,363 | $334.0K | 0.00% | 00.0% | Unchanged |
| FDx Advisors, Inc. | 8,376 | $334.0K | 0.01% | +658+8.5% | Added |
| Kennedy Capital Management, Inc. | 8,329 | $332.0K | 0.01% | +321+4.0% | Added |
| Cetera Advisor Networks LLC | 8,217 | $328.0K | 0.00% | +8,217 | New |
| Horizon Kinetics Asset Management LLC | 8,000 | $319.0K | 0.01% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 7,981 | $318.0K | 0.00% | +7,981 | New |
| Nisa Investment Advisors, LLC | 7,783 | $310.0K | 0.00% | −42,042−84.4% | Reduced |
| Northeast Financial Consultants Inc | 7,740 | $309.0K | 0.02% | 00.0% | Unchanged |
| Wealthcare Advisory Partners LLC | 7,472 | $298.0K | 0.02% | +263+3.6% | Added |
| Nomura Asset Management Co Ltd | 7,417 | $295.9K | 0.00% | −15,883−68.2% | Reduced |
| Baird Financial Group, Inc. | 7,396 | $295.0K | 0.00% | +369+5.3% | Added |
| Hussman Strategic Advisors, Inc. | 7,200 | $287.0K | 0.06% | 00.0% | Unchanged |
| Mitchell & Pahl Private Wealth, LLC | 6,936 | $277.0K | 0.20% | −69−1.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 6,368 | $254.0K | 0.00% | −26,142−80.4% | Reduced |
| Commerce Bank | 6,291 | $251.0K | 0.00% | −185−2.9% | Reduced |
| ProVise Management Group, LLC | 6,111 | $244.0K | 0.02% | +307+5.3% | Added |
| III Capital Management | 6,000 | $239.0K | 0.02% | +6,000 | New |
| Icon Wealth Partners, LLC | 5,917 | $236.0K | 0.03% | +246+4.3% | Added |
| Wellington Management Group LLP | 5,911 | $236.0K | 0.00% | +5,911 | New |
| Vident Investment Advisory, LLC | 5,587 | $223.0K | 0.01% | +5,587 | New |
| Global Retirement Partners, LLC | 5,313 | $212.0K | 0.02% | +702+15.2% | Added |
| Agf Investments Inc. | 5,238 | $209.0K | 0.00% | +5,238 | New |
| Prudential Financial Inc | 5,152 | $205.0K | 0.00% | −4,366−45.9% | Reduced |
| CIBC Asset Management Inc | 5,140 | $205.0K | 0.00% | 00.0% | Unchanged |
| Buckingham Strategic Wealth, LLC | 5,078 | $203.0K | 0.00% | 00.0% | Unchanged |
| Weiss Multi-Strategy Advisers LLC | 5,073 | $202.0K | 0.00% | +5,073 | New |
| Geneos Wealth Management Inc. | 4,704 | $187.0K | 0.01% | −423−8.3% | Reduced |
| Credit Agricole S A | 4,210 | $168.0K | 0.01% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 4,090 | $163.0K | 0.00% | +4,090 | New |
| KB Financial Partners, LLC | 4,030 | $161.0K | 0.06% | +1,764+77.8% | Added |
| Caldwell Trust Co | 4,000 | $159.6K | 0.02% | 00.0% | Unchanged |
| Semmax Financial Advisors Inc. | 3,786 | $151.0K | 0.05% | −242−6.0% | Reduced |
| Leonteq Securities AG | 3,197 | $127.5K | 0.01% | +1,672+109.6% | Added |
| Carolinas Wealth Consulting LLC | 3,187 | $127.0K | 0.03% | −5,000−61.1% | Reduced |
| Advisors Asset Management, Inc. | 3,179 | $127.0K | 0.00% | −29−0.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 3,112 | $124.0K | 0.00% | −4,230−57.6% | Reduced |
| American International Group, Inc. | 2,868 | $114.0K | 0.00% | +633+28.3% | Added |
| Fifth Third Bancorp | 2,554 | $102.0K | 0.00% | −7,004−73.3% | Reduced |
| Panagora Asset Management Inc | 2,329 | $93.0K | 0.00% | −9,816−80.8% | Reduced |
| Captrust Financial Advisors | 1,896 | $76.0K | 0.00% | −77−3.9% | Reduced |
| Walled Lake Planning & Wealth Management, LLC | 1,900 | $76.0K | 0.05% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 1,891 | $74.0K | 0.00% | +1,854+5,010.8% | Added |
| Harbour Investments, Inc. | 1,695 | $68.0K | 0.00% | −10−0.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 1,528 | $61.0K | 0.00% | −411−21.2% | Reduced |
| Twin Lakes Capital Management, LLC | 1,500 | $60.0K | 0.03% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 1,484 | $59.0K | 0.00% | +1,484 | New |
| Dark Forest Capital Management LP | 1,310 | $52.0K | 0.02% | +1,310 | New |
| Kistler-Tiffany Companies, LLC | 1,281 | $51.0K | 0.01% | −300−19.0% | Reduced |
| NEXT Financial Group, Inc | 1,247 | $50.0K | 0.00% | −1,570−55.7% | Reduced |
| First Manhattan Co | 1,200 | $47.0K | 0.00% | −374,100−99.7% | Reduced |
| Wolff Wiese Magana LLC | 1,131 | $45.0K | 0.03% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1,179 | $45.0K | 0.00% | +881+295.6% | Added |
| Riggs Asset Managment Co. Inc. | 1,000 | $40.0K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 973 | $39.0K | 0.00% | +194+24.9% | Added |
| Bessemer Group Inc | 900 | $36.0K | 0.00% | −129−12.5% | Reduced |
| Carroll Financial Associates, Inc. | 883 | $35.0K | 0.00% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 868 | $35.0K | 0.00% | +868 | New |
| S.A. Mason LLC | 775 | $31.0K | 0.02% | 00.0% | Unchanged |
| Institutional & Family Asset Management, LLC | 765 | $31.0K | 0.01% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 783 | $31.0K | 0.00% | +783 | New |
| Cutler Group LP | 800 | $31.0K | 0.00% | +800 | New |
| Patriot Financial Group Insurance Agency, LLC | 718 | $29.0K | 0.01% | +189+35.7% | Added |
| CWM, LLC | 690 | $28.0K | 0.00% | 00.0% | Unchanged |
| Laurel Wealth Advisors LLC | 600 | $24.0K | 0.01% | 00.0% | Unchanged |
| NuWave Investment Management, LLC | 551 | $22.0K | 0.02% | +551 | New |
| Advisory Services Network, LLC | 519 | $21.0K | 0.00% | +519 | New |
| Ellis Investment Partners, LLC | 500 | $19.0K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Management, LLC | 450 | $18.0K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 428 | $17.0K | 0.00% | −2,534−85.6% | Reduced |
| Hall Laurie J Trustee | 430 | $17.0K | 0.01% | −550−56.1% | Reduced |
| Concord Wealth Partners | 417 | $17.0K | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 400 | $16.0K | 0.00% | −2,400−85.7% | Reduced |
| Global Trust Asset Management, LLC | 399 | $16.0K | 0.01% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 334 | $13.3K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 295 | $12.0K | 0.00% | −2,209−88.2% | Reduced |
| SkyView Investment Advisors, LLC | 271 | $12.0K | 0.01% | 00.0% | Unchanged |
| American Portfolios Advisors | 300 | $12.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 279 | $11.0K | 0.00% | −5,497−95.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 285 | $11.0K | 0.00% | +20+7.5% | Added |
| Gables Capital Management Inc. | 275 | $11.0K | 0.01% | 00.0% | Unchanged |
| FourThought Financial, LLC | 277 | $11.0K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 303 | $11.0K | 0.00% | +110+57.0% | Added |
| Zions Bancorporation, N.A. | 266 | $11.0K | 0.00% | +203+322.2% | Added |
| Firestone Capital Management | 250 | $10.0K | 0.00% | 00.0% | Unchanged |
| Reilly Financial Advisors, LLC | 220 | $9.00K | 0.00% | 00.0% | Unchanged |
| Pinnacle Bancorp, Inc. | 227 | $9.00K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 200 | $8.00K | 0.00% | −2,150−91.5% | Reduced |
| AllSquare Wealth Management LLC | 198 | $8.00K | 0.00% | 00.0% | Unchanged |
| AlphaMark Advisors, LLC | 200 | $8.00K | 0.00% | +200 | New |
| Cordasco Financial Network | 200 | $8.00K | 0.01% | +200 | New |
| Logan Capital Management Inc | 178 | $7.00K | 0.00% | 00.0% | Unchanged |
| Pacifica Partners Inc. | 150 | $6.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 144 | $6.00K | 0.00% | +109+311.4% | Added |
| IAG Wealth Partners, LLC | 135 | $6.00K | 0.00% | +135 | New |
| TD Private Client Wealth LLC | 129 | $5.15K | 0.00% | +99+330.0% | Added |
| Glassman Wealth Services | 121 | $5.00K | 0.00% | −27−18.2% | Reduced |
| Bogart Wealth, LLC | 125 | $5.00K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 127 | $5.00K | 0.00% | +5+4.1% | Added |
| GPS Wealth Strategies Group, LLC | 119 | $5.00K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 100 | $4.00K | 0.00% | 00.0% | Unchanged |