Fund shareholders of Ionis Pharmaceuticals Inc
ISIN US4622221004 · United States · LEI 549300SI4ZGLG0BLUZ92
- Fund shareholders
- 436
- Of which ETFs
- 100 336 other funds
- Value held
- 6.6B $ 346.9M SEK · 4M €
- Share of capital
- 51.7 % of 166.2M shares on Jul 23, 2026
436 funds hold this company. This table lists the 431 that declare it in a regulatory filing. The other 5 publish their holdings in their own reports. They are not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 84,338 | 6.3M $ | 0.02 % | 0.05 % | as of Apr 30, 2026 ↗ |
| Invesco Biotechnology & Genome ETF Invesco Exchange-Traded Fund Trust | 82,240 | 6.1M $ | 2.49 % | 0.05 % | as of Apr 30, 2026 ↗ |
| AMG GW&K Small/Mid Cap Core Fund AMG Funds | 81,942 | 6.2M $ | 0.86 % | 0.05 % | as of Mar 31, 2026 ↗ |
| iShares U.S. Healthcare ETF iShares Trust | 81,222 | 6.1M $ | 0.22 % | 0.05 % | as of Apr 30, 2026 ↗ |
| THE HARTFORD HEALTHCARE FUND HARTFORD MUTUAL FUNDS, INC | 78,893 | 5.9M $ | 0.81 % | 0.05 % | as of Apr 30, 2026 ↗ |
| VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 78,563 | 6.4M $ | 0.46 % | 0.05 % | as of Feb 28, 2026 ↗ |
| Invesco Small Cap Growth Portfolio Brighthouse Funds Trust I | 76,854 | 5.8M $ | 0.73 % | 0.05 % | as of Mar 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 75,679 | 5.7M $ | 0.02 % | 0.05 % | as of Mar 31, 2026 ↗ |
| Invesco NASDAQ Next Gen 100 ETF Invesco Exchange-Traded Fund Trust II | 72,207 | 5.9M $ | 0.65 % | 0.04 % | as of Feb 28, 2026 ↗ |
| Fidelity Small-Mid Multifactor ETF Fidelity Covington Trust | 71,810 | 5.4M $ | 0.23 % | 0.04 % | as of Apr 30, 2026 ↗ |
| RBC Global Opportunities Fund RBC Funds Trust | 71,300 | 5.4M $ | 1.25 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST | 70,978 | 5.3M $ | 0.19 % | 0.04 % | as of Apr 30, 2026 ↗ |
| HealthInvest Sustainable Healthcare Atle Fund Management AB | 69,349 | 49.3M SEK | 1.55 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Mid Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC | 68,528 | 5.1M $ | 0.54 % | 0.04 % | as of Mar 31, 2026 ↗ |
| iShares ESG Aware MSCI USA Small-Cap ETF iShares Trust | 68,097 | 5.5M $ | 0.24 % | 0.04 % | as of Feb 28, 2026 ↗ |
| Nomura VIP Mid Cap Growth Series Ivy Variable Insurance Portfolios | 68,019 | 5.1M $ | 1.51 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Direxion Daily S&P Biotech Bull 3X Shares Direxion Shares ETF Trust | 64,911 | 4.9M $ | 0.94 % | 0.04 % | as of Apr 30, 2026 ↗ |
| LVIP T. Rowe Price Structured Mid-Cap Growth Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 63,862 | 4.8M $ | 0.37 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Bridge Builder Tax Managed Small/Mid Cap Fund Bridge Builder Trust | 63,256 | 4.7M $ | 0.16 % | 0.04 % | as of Mar 31, 2026 ↗ |
| JNL/Mellon Healthcare Sector Fund JNL Series Trust | 63,225 | 4.7M $ | 0.19 % | 0.04 % | as of Mar 31, 2026 ↗ |
| THE HARTFORD SMALL COMPANY FUND HARTFORD MUTUAL FUNDS, INC | 62,803 | 4.7M $ | 0.71 % | 0.04 % | as of Apr 30, 2026 ↗ |
| JPMorgan U.S. Momentum Factor ETF J.P. Morgan Exchange-Traded Fund Trust | 62,392 | 4.7M $ | 0.21 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Mid Cap Growth Portfolio NEUBERGER BERMAN ADVISERS MANAGEMENT TRUST | 61,572 | 4.6M $ | 0.92 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Neuberger Mid Cap Growth Fund NEUBERGER BERMAN EQUITY FUNDS | 61,410 | 5M $ | 0.25 % | 0.04 % | as of Feb 28, 2026 ↗ |
| JPMorgan BetaBuilders U.S. Mid Cap Equity ETF J.P. Morgan Exchange-Traded Fund Trust | 60,227 | 4.5M $ | 0.22 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Fidelity Momentum Factor ETF Fidelity Covington Trust | 60,169 | 4.5M $ | 0.53 % | 0.04 % | as of Apr 30, 2026 ↗ |
| Handelsbanken Global Småbolag Index Criteria Handelsbanken Fonder AB | 59,911 | 42.9M SEK | 0.15 % | 0.04 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Small-Mid Cap ETF T. Rowe Price Exchange-Traded Funds, Inc. | 59,742 | 4.5M $ | 0.29 % | 0.04 % | as of Mar 31, 2026 ↗ |
| iShares Russell 2500 ETF iShares Trust | 59,253 | 4.4M $ | 0.17 % | 0.04 % | as of Mar 31, 2026 ↗ |
| FundX Future Fund Opportunities ETF FundX Investment Trust | 58,732 | 4.4M $ | 2.24 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 57,004 | 4.3M $ | 0.18 % | 0.03 % | as of Apr 30, 2026 ↗ |
| SA JPMorgan Mid-Cap Growth Portfolio SUNAMERICA SERIES TRUST | 56,542 | 4.2M $ | 0.64 % | 0.03 % | as of Apr 30, 2026 ↗ |
| American Funds U.S. Small & Mid Cap Equity Fund American Funds U.S. Small & Mid Cap Equity Fund | 56,370 | 4.6M $ | 1.18 % | 0.03 % | as of Feb 28, 2026 ↗ |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO STATE STREET INSTITUTIONAL INVESTMENT TRUST | 56,321 | 4.2M $ | 0.16 % | 0.03 % | as of Mar 31, 2026 ↗ |
| HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB | 55,818 | 39.7M SEK | 3.98 % | 0.03 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 55,343 | 4.2M $ | 0.63 % | 0.03 % | as of Mar 31, 2026 ↗ |
| John Hancock Multifactor Mid Cap ETF John Hancock Exchange-Traded Fund Trust | 54,344 | 4.1M $ | 0.08 % | 0.03 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC. | 53,729 | 4M $ | 0.28 % | 0.03 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Mid-Cap Growth Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 53,379 | 4M $ | 0.93 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Mid Cap Growth Trust John Hancock Variable Insurance Trust | 53,020 | 4M $ | 0.62 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Small Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC | 52,863 | 4M $ | 0.54 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Mercer US Small/Mid Cap Equity Fund Mercer Funds | 52,526 | 3.9M $ | 0.23 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Schwab 1000 Index Fund SCHWAB INVESTMENTS | 51,551 | 3.9M $ | 0.02 % | 0.03 % | as of Apr 30, 2026 ↗ |
| First Trust BuyWrite Income ETF First Trust Exchange-Traded Fund VI | 50,889 | 3.8M $ | 0.19 % | 0.03 % | as of Mar 31, 2026 ↗ |
| Tweedy, Browne International Value Fund II - Currency Unhedged Tweedy, Browne Fund Inc. | 50,402 | 3.8M $ | 2.41 % | 0.03 % | as of Mar 31, 2026 ↗ |
| iShares Morningstar Small-Cap Growth ETF iShares Trust | 46,901 | 3.5M $ | 0.37 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Dimensional U.S. Equity Market ETF Dimensional ETF Trust | 46,391 | 3.5M $ | 0.02 % | 0.03 % | as of Apr 30, 2026 ↗ |
| Baron Health Care Fund BARON SELECT FUNDS | 45,000 | 3.4M $ | 2.81 % | 0.03 % | as of Mar 31, 2026 ↗ |
| MML Mid Cap Growth Fund MML SERIES INVESTMENT FUND | 43,861 | 3.3M $ | 0.94 % | 0.03 % | as of Mar 31, 2026 ↗ |
| VY(R) T. ROWE PRICE DIVERSIFIED MID CAP GROWTH PORTFOLIO Voya Partners Inc | 42,530 | 3.2M $ | 0.38 % | 0.03 % | as of Mar 31, 2026 ↗ |
| iShares Russell 3000 ETF iShares Trust | 42,354 | 3.2M $ | 0.02 % | 0.03 % | as of Mar 31, 2026 ↗ |
| VictoryShares US Small Mid Cap Value Momentum ETF Victory Portfolios II | 41,805 | 3.1M $ | 0.22 % | 0.03 % | as of Mar 31, 2026 ↗ |
| EQ/JPMorgan Value Opportunities Portfolio EQ Advisors Trust | 41,234 | 3.1M $ | 0.25 % | 0.02 % | as of Mar 31, 2026 ↗ |
| BlackRock Advantage Small Cap Core Fund BlackRock Funds | 41,061 | 3.3M $ | 0.07 % | 0.02 % | as of Feb 27, 2026 ↗ |
| Small-Cap Growth Portfolio PACIFIC SELECT FUND | 39,949 | 3M $ | 0.68 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Invesco Dorsey Wright Healthcare Momentum ETF Invesco Exchange-Traded Fund Trust | 38,394 | 2.9M $ | 2.37 % | 0.02 % | as of Apr 30, 2026 ↗ |
| HARTFORD SMALL CAP GROWTH HLS FUND HARTFORD SERIES FUND INC | 38,032 | 2.9M $ | 0.54 % | 0.02 % | as of Mar 31, 2026 ↗ |
| AMG GW&K Small Cap Growth Fund AMG Funds IV | 37,684 | 2.8M $ | 1.35 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Goldman Sachs Small Cap Growth Fund Goldman Sachs Trust | 37,118 | 3M $ | 0.71 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 36,650 | 3M $ | 0.03 % | 0.02 % | as of Feb 28, 2026 ↗ |
| First Trust Mid Cap Growth AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 36,525 | 2.7M $ | 0.53 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 36,300 | 2.7M $ | 0.08 % | 0.02 % | as of Mar 31, 2026 ↗ |
| First Trust Mid Cap Core AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 36,263 | 2.7M $ | 0.20 % | 0.02 % | as of Apr 30, 2026 ↗ |
| ALGER WEATHERBIE SPECIALIZED GROWTH FUND ALGER FUNDS | 35,938 | 2.7M $ | 0.96 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Small Cap Growth Fund VALIC Co I | 35,875 | 2.9M $ | 0.54 % | 0.02 % | as of Feb 28, 2026 ↗ |
| VANGUARD ESG U.S. STOCK ETF VANGUARD WORLD FUND | 34,909 | 2.8M $ | 0.02 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Tweedy, Browne Insider + Value ETF RBB Fund Trust | 33,941 | 2.8M $ | 0.92 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 32,429 | 2.4M $ | 0.01 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Swedbank Robur Healthcare Swedbank Robur Fonder AB | 32,253 | 23.1M SEK | 0.16 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Fidelity OTC Portfolio Fidelity Securities Fund | 31,362 | 2.3M $ | 0.01 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Schwab U.S. Mid-Cap Index Fund SCHWAB CAPITAL TRUST | 30,271 | 2.3M $ | 0.09 % | 0.02 % | as of Apr 30, 2026 ↗ |
| T.Rowe Price Small Cap Growth Portfolio Brighthouse Funds Trust II | 30,107 | 2.3M $ | 0.21 % | 0.02 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF SPDR SERIES TRUST | 29,912 | 2.2M $ | 0.10 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Buffalo Small Cap Growth Fund Buffalo Funds | 29,105 | 2.2M $ | 0.56 % | 0.02 % | as of Mar 31, 2026 ↗ |
| First Trust US Equity Opportunities ETF First Trust Exchange-Traded Fund | 28,905 | 2.2M $ | 0.19 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Nationwide Fundamental All Cap Equity Portfolio Nationwide Mutual Funds | 28,823 | 2.2M $ | 0.14 % | 0.02 % | as of Apr 30, 2026 ↗ |
| TIFF MULTI-ASSET FUND TIFF Investment Program | 28,724 | 2.2M $ | 0.16 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Bridge Builder Large Cap Growth Fund Bridge Builder Trust | 28,705 | 2.2M $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| Columbia Variable Portfolio - Acorn Fund COLUMBIA FUNDS VARIABLE SERIES TRUST | 28,657 | 2.2M $ | 0.50 % | 0.02 % | as of Mar 31, 2026 ↗ |
| VanEck Morningstar SMID Moat ETF VanEck ETF Trust | 28,058 | 2.1M $ | 0.66 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Russell 1000 Value ETF iShares Trust | 27,501 | 2.1M $ | 0.00 % | 0.02 % | as of Mar 31, 2026 ↗ |
| iShares Russell Mid-Cap Index Fund BlackRock Funds | 27,369 | 2M $ | 0.09 % | 0.02 % | as of Apr 30, 2026 ↗ |
| SA Invesco Growth Opportunities Portfolio SUNAMERICA SERIES TRUST | 26,411 | 2M $ | 0.65 % | 0.02 % | as of Apr 30, 2026 ↗ |
| VANGUARD RUSSELL 1000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 26,180 | 2.1M $ | 0.02 % | 0.02 % | as of Feb 28, 2026 ↗ |
| BlackRock Advantage SMID Cap Fund, Inc. BlackRock Advantage SMID Cap Fund, Inc. | 25,722 | 1.9M $ | 0.26 % | 0.02 % | as of Mar 31, 2026 ↗ |
| VANGUARD GROWTH AND INCOME FUND VANGUARD QUANTITATIVE FUNDS | 25,200 | 1.9M $ | 0.01 % | 0.02 % | as of Mar 31, 2026 ↗ |
| BNY Mellon US Mid Cap Core Equity ETF BNY Mellon ETF Trust | 25,160 | 1.9M $ | 0.30 % | 0.02 % | as of Apr 30, 2026 ↗ |
| iShares Russell Small/Mid-Cap Index Fund BlackRock Funds | 24,973 | 1.9M $ | 0.15 % | 0.02 % | as of Apr 30, 2026 ↗ |
| Biotechnology Fund Rydex Series Funds | 24,870 | 1.9M $ | 1.38 % | 0.01 % | as of Mar 31, 2026 ↗ |
| EQ/Common Stock Index Portfolio EQ Advisors Trust | 24,800 | 1.9M $ | 0.03 % | 0.01 % | as of Mar 31, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 24,394 | 2M $ | 0.16 % | 0.01 % | as of Feb 28, 2026 ↗ |
| Dimensional US Core Equity Market ETF Dimensional ETF Trust | 24,341 | 1.8M $ | 0.02 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Fidelity Flex Mid Cap Index Fund Fidelity Salem Street Trust | 23,505 | 1.8M $ | 0.29 % | 0.01 % | as of Apr 30, 2026 ↗ |
| T. Rowe Price Extended Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 22,644 | 1.7M $ | 0.17 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Schwab U.S. Large-Cap Growth Index Fund SCHWAB CAPITAL TRUST | 22,383 | 1.7M $ | 0.04 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Penn Series Mid Cap Growth Fund Penn Series Funds Inc | 21,502 | 1.6M $ | 1.51 % | 0.01 % | as of Mar 31, 2026 ↗ |
| Nuveen Small/Mid Cap Growth Opportunities Fund Nuveen Investment Funds, Inc. | 21,329 | 1.6M $ | 0.94 % | 0.01 % | as of Apr 30, 2026 ↗ |
| HARTFORD SMALL COMPANY HLS FUND HARTFORD SERIES FUND INC | 20,285 | 1.5M $ | 0.39 % | 0.01 % | as of Mar 31, 2026 ↗ |
| BIOTECHNOLOGY ULTRASECTOR PROFUND ProFunds | 20,089 | 1.5M $ | 0.82 % | 0.01 % | as of Apr 30, 2026 ↗ |
| Victory RS Select Growth Fund Victory Portfolios | 20,070 | 1.5M $ | 1.98 % | 0.01 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| Horizon Kinetics Medical ETF Listed Funds Trust | 4.73 % | as of Mar 31, 2026 ↗ |
| A&P LIFESCIENCE FUND, FI WELZIA MANAGEMENT, SGIIC, S.A. | 4.58 % | as of Dec 31, 2025 ↗ |
| HealthInvest Small & Mid Cap Healthcare Atle Fund Management AB | 3.98 % | as of Mar 31, 2026 ↗ |
| AlphaCentric Life Sciences and Healthcare Fund MUTUAL FUND SERIES TRUST | 3.74 % | as of Mar 31, 2026 ↗ |
| GESTION BOUTIQUE VI, FI GESTION BOUTIQUE VI / KALDI ANDBANK WEALTH MANAGEMENT, SGIIC, S.A.U. | 3.68 % | as of Dec 31, 2025 ↗ |
| Tweedy, Browne International Value Fund Tweedy, Browne Fund Inc. | 3.17 % | as of Mar 31, 2026 ↗ |
| Baron Health Care Fund BARON SELECT FUNDS | 2.81 % | as of Mar 31, 2026 ↗ |
| Tweedy, Browne Value Fund Tweedy, Browne Fund Inc. | 2.79 % | as of Mar 31, 2026 ↗ |
| Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST | 2.72 % | as of Mar 31, 2026 ↗ |
| Invesco Biotechnology & Genome ETF Invesco Exchange-Traded Fund Trust | 2.49 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 422 | +29 | 85,444,539 | +5.7 % |
| 2026Q1 | 393 | +45 | 80,814,443 | +5.3 % |
| 2025Q4 | 348 | +62 | 76,715,982 | -3.1 % |
| 2025Q3 | 286 | +12 | 79,201,702 | -1.0 % |
| 2025Q2 | 274 | -12 | 79,971,398 | +0.1 % |
| 2025Q1 | 286 | -17 | 79,920,146 | +7.6 % |
| 2024Q4 | 303 | +4 | 74,303,125 | +10.4 % |
| 2024Q3 | 299 | -10 | 67,280,894 | +3.7 % |
| 2024Q2 | 309 | +10 | 64,888,088 | +5.0 % |
| 2024Q1 | 299 | +15 | 61,777,585 | -4.9 % |
| 2023Q4 | 284 | 64,944,400 |
Institutional managers
483 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| FMR LLC | 24,556,637 | 1.8B $ | as of Mar 31, 2026 |
| Capital World Investors | 21,186,369 | 1.6B $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 10,442,476 | 784.1M $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 6,391,816 | 480M $ | as of Mar 31, 2026 |
| T. Rowe Price Investment Management, Inc. | 6,159,027 | 462.5K $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 5,857,629 | 439.8M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 3,995,564 | 300M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 3,984,332 | 305.2M $ | as of Mar 31, 2026 |
| ROYAL BANK OF CANADA | 3,801,815 | 285.5M $ | as of Mar 31, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 3,025,251 | 227.2K $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 2,363,567 | 171.4M $ | as of Mar 31, 2026 |
| Tweedy, Browne Co LLC | 2,275,625 | 170.9M $ | as of Mar 31, 2026 |
| Artisan Partners Limited Partnership | 2,058,308 | 154.6M $ | as of Mar 31, 2026 |
| BAKER BROS. ADVISORS LP | 2,047,727 | 153.8M $ | as of Mar 31, 2026 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 1,979,669 | 148.7M $ | as of Mar 31, 2026 |
| Deep Track Capital, LP | 1,950,000 | 146.4M $ | as of Mar 31, 2026 |
| Bellevue Group AG | 1,818,665 | 136.6M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 1,699,847 | 127.6M $ | as of Mar 31, 2026 |
| AMERICAN CENTURY COMPANIES INC | 1,663,803 | 124.9M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1,583,266 | 118.9M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 1,575,023 | 118.3M $ | as of Mar 31, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1,475,632 | 110.8M $ | as of Mar 31, 2026 |
| Pictet Asset Management Holding SA | 1,434,995 | 107.1M $ | as of Mar 31, 2026 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | 1,404,033 | 105.4M $ | as of Mar 31, 2026 |
| Invesco Ltd. | 1,277,358 | 95.9M $ | as of Mar 31, 2026 |
Declared shareholders of Ionis Pharmaceuticals Inc
There are 3 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Capital World Investors | 12.80 % | 21,186,369 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vanguard Capital Management | 5.05 % | 8,344,732 | as of Mar 31, 2026 · SCHEDULE 13G |
| T. Rowe Price Investment Management, Inc. | 3.70 % | 6,159,027 | as of Mar 31, 2026 · SCHEDULE 13G |
Funds holding the debt of Ionis Pharmaceuticals Inc
55 funds declare 74 bond lines of this company. The table shows the 25 largest holdings. The amount is the one the fund files. It is not a share of the debt, because no regulator publishes the amount outstanding in open access.
Cite this page
Titelia. "Fund shareholders of Ionis Pharmaceuticals Inc". https://titelia.com/en/stocks/ionis-pharmaceuticals-inc-US4622221004