Titelia

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.

FundSharesValueWeight in fundShare of capital
Fidelity Growth Company Fund Fidelity Mt. Vernon Street Trust 8,111,335658.2M $0.80 %4.88 %as of Feb 28, 2026 ↗
Growth Fund of America Growth Fund of America 7,668,655622.3M $0.19 %4.61 %as of Feb 28, 2026 ↗
VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS 4,995,141375.1M $0.02 %3.01 %as of Mar 31, 2026 ↗
New Economy Fund New Economy Fund 4,723,802383.3M $0.85 %2.84 %as of Feb 28, 2026 ↗
SMALLCAP World Fund Inc SMALLCAP World Fund Inc 4,458,145334.8M $0.41 %2.68 %as of Mar 31, 2026 ↗
VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS 3,803,181284.3M $0.77 %2.29 %as of Apr 30, 2026 ↗
VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS 3,618,441271.7M $0.17 %2.18 %as of Mar 31, 2026 ↗
T. Rowe Price Mid-Cap Growth Fund, Inc. T. ROWE PRICE MID-CAP GROWTH FUND, INC. 2,760,687207.3M $0.92 %1.66 %as of Mar 31, 2026 ↗
Fidelity Growth Company K6 Fund Fidelity Mt. Vernon Street Trust 2,315,503187.9M $0.81 %1.39 %as of Feb 28, 2026 ↗
Fidelity Series Growth Company Fund Fidelity Mt. Vernon Street Trust 2,096,577170.1M $0.80 %1.26 %as of Feb 28, 2026 ↗
VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS 2,025,434152.1M $0.39 %1.22 %as of Mar 31, 2026 ↗
VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS 1,808,172135.8M $0.17 %1.09 %as of Mar 31, 2026 ↗
Tweedy, Browne International Value Fund Tweedy, Browne Fund Inc. 1,743,125130.9M $3.17 %1.05 %as of Mar 31, 2026 ↗
Growth Fund AMERICAN FUNDS INSURANCE SERIES 1,674,900125.8M $0.25 %1.01 %as of Mar 31, 2026 ↗
iShares Biotechnology ETF iShares Trust 1,205,54990.5M $1.11 %0.73 %as of Mar 31, 2026 ↗
VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND 1,195,91189.4M $0.41 %0.72 %as of Apr 30, 2026 ↗
State Street(R) SPDR(R) S&P(R) Biotech ETF SPDR SERIES TRUST 1,132,90685.1M $1.14 %0.68 %as of Mar 31, 2026 ↗
Capital Group Growth ETF Capital Group Growth ETF 1,054,07485.5M $0.42 %0.63 %as of Feb 28, 2026 ↗
iShares Russell Mid-Cap Growth ETF iShares Trust 987,91774.2M $0.40 %0.59 %as of Mar 31, 2026 ↗
Select Fund American Century Mutual Funds, Inc. 962,00071.9M $1.12 %0.58 %as of Apr 30, 2026 ↗
T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. 882,82366.3M $0.61 %0.53 %as of Mar 31, 2026 ↗
Fidelity Extended Market Index Fund Fidelity Concord Street Trust 847,07368.7M $0.17 %0.51 %as of Feb 28, 2026 ↗
JPMorgan Mid Cap Growth Fund JPMorgan Trust II 806,67260.6M $0.53 %0.49 %as of Mar 31, 2026 ↗
Franklin Dynatech Fund Franklin Custodian Funds 800,00060.1M $0.24 %0.48 %as of Mar 31, 2026 ↗
Schwab U.S. Small-Cap ETF SCHWAB STRATEGIC TRUST 786,08063.8M $0.31 %0.47 %as of Feb 28, 2026 ↗
Nomura Mid Cap Growth Fund IVY FUNDS 606,56045.5M $1.52 %0.36 %as of Mar 31, 2026 ↗
iShares Russell Mid-Cap ETF iShares Trust 603,76445.3M $0.09 %0.36 %as of Mar 31, 2026 ↗
iShares Russell 1000 Growth ETF iShares Trust 592,55344.5M $0.04 %0.36 %as of Mar 31, 2026 ↗
Fidelity Mid Cap Index Fund Fidelity Salem Street Trust 585,76643.8M $0.09 %0.35 %as of Apr 30, 2026 ↗
T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC. 578,08243.4M $0.34 %0.35 %as of Mar 31, 2026 ↗
Eventide Healthcare & Life Sciences Fund MUTUAL FUND SERIES TRUST 575,00043.2M $2.72 %0.35 %as of Mar 31, 2026 ↗
JNL/T. Rowe Price Mid-Cap Growth Fund JNL Series Trust 492,75637M $0.92 %0.30 %as of Mar 31, 2026 ↗
Select Biotechnology Portfolio Fidelity Select Portfolios 476,37738.7M $0.72 %0.29 %as of Feb 28, 2026 ↗
VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND 455,07936.9M $0.18 %0.27 %as of Feb 28, 2026 ↗
Schwab U.S. Mid-Cap ETF SCHWAB STRATEGIC TRUST 438,07835.6M $0.26 %0.26 %as of Feb 28, 2026 ↗
Fidelity SAI Small-Mid Cap Momentum Index Fund Fidelity Salem Street Trust 429,25132.1M $0.75 %0.26 %as of Apr 30, 2026 ↗
Artisan International Small-Mid Fund Artisan Partners Funds Inc. 390,36329.3M $1.10 %0.23 %as of Mar 31, 2026 ↗
Global Growth Fund AMERICAN FUNDS INSURANCE SERIES 388,00029.1M $0.34 %0.23 %as of Mar 31, 2026 ↗
VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS 379,25728.5M $0.28 %0.23 %as of Mar 31, 2026 ↗
T. Rowe Price Institutional Mid-Cap Equity Growth Fund T. Rowe Price Equity Funds, Inc. 334,59525.1M $0.91 %0.20 %as of Mar 31, 2026 ↗
Small Cap Growth Fund American Century Mutual Funds, Inc. 311,87223.3M $0.46 %0.19 %as of Apr 30, 2026 ↗
MFS New Discovery Fund MFS SERIES TRUST I 306,44024.9M $1.19 %0.18 %as of Feb 28, 2026 ↗
Fidelity Total Market Index Fund Fidelity Concord Street Trust 304,11924.7M $0.02 %0.18 %as of Feb 28, 2026 ↗
ARK Genomic Revolution ETF ARK ETF Trust 288,23021.5M $1.74 %0.17 %as of Apr 30, 2026 ↗
Artisan Small Cap Fund Artisan Partners Funds Inc. 280,14421M $2.36 %0.17 %as of Mar 31, 2026 ↗
Capital Group U.S. Small and Mid Cap ETF Capital Group Equity ETF Trust I 272,27822.1M $1.32 %0.16 %as of Feb 28, 2026 ↗
Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II 269,75521.9M $0.02 %0.16 %as of Feb 28, 2026 ↗
MassMutual Mid Cap Growth Fund MASSMUTUAL SELECT FUNDS 254,24019.1M $0.69 %0.15 %as of Mar 31, 2026 ↗
VANGUARD RUSSELL 1000 GROWTH INDEX FUND VANGUARD SCOTTSDALE FUNDS 242,15519.7M $0.04 %0.15 %as of Feb 28, 2026 ↗
Fidelity Series Total Market Index Fund Fidelity Concord Street Trust 240,11219.5M $0.02 %0.14 %as of Feb 28, 2026 ↗
Empower T. Rowe Price Mid Cap Growth Fund EMPOWER FUNDS, INC. 239,84818M $0.95 %0.14 %as of Mar 31, 2026 ↗
College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund 230,68717.3M $0.01 %0.14 %as of Mar 31, 2026 ↗
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC. 227,42517.1M $0.21 %0.14 %as of Mar 31, 2026 ↗
JNL/JPMorgan MidCap Growth Fund JNL Series Trust 221,85516.7M $0.53 %0.13 %as of Mar 31, 2026 ↗
T. Rowe Price Diversified Mid-Cap Growth Fund, Inc. T. ROWE PRICE DIVERSIFIED MID-CAP GROWTH FUND, INC. 221,40016.6M $0.39 %0.13 %as of Mar 31, 2026 ↗
Invesco Main Street Mid Cap Fund AIM Growth Series (Invesco Growth Series) 209,75015.8M $0.67 %0.13 %as of Mar 31, 2026 ↗
Fidelity Large Cap Growth Index Fund Fidelity Salem Street Trust 208,97715.6M $0.04 %0.13 %as of Apr 30, 2026 ↗
VANGUARD STRATEGIC SMALL-CAP EQUITY FUND VANGUARD HORIZON FUNDS 206,93315.5M $0.63 %0.12 %as of Mar 31, 2026 ↗
iShares Core S&P Total U.S. Stock Market ETF iShares Trust 206,33815.5M $0.02 %0.12 %as of Mar 31, 2026 ↗
Franklin Biotechnology Discovery Fund Franklin Strategic Series 205,40015.4M $1.48 %0.12 %as of Apr 30, 2026 ↗
MFS New Discovery Value Fund MFS SERIES TRUST XIII 204,80116.6M $0.61 %0.12 %as of Feb 28, 2026 ↗
First Trust Health Care AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund 201,59815.1M $1.72 %0.12 %as of Apr 30, 2026 ↗
Goldman Sachs Small/Mid Cap Growth Fund Goldman Sachs Trust 187,20715.2M $1.24 %0.11 %as of Feb 28, 2026 ↗
Artisan Mid Cap Fund Artisan Partners Funds Inc. 186,45614M $0.47 %0.11 %as of Mar 31, 2026 ↗
Fidelity Mid Cap Growth Index Fund Fidelity Salem Street Trust 179,49913.5M $0.40 %0.11 %as of Mar 31, 2026 ↗
BlackRock Health Sciences Opportunities Portfolio BlackRock Funds 170,00813.8M $0.21 %0.10 %as of Feb 27, 2026 ↗
Tweedy, Browne Value Fund Tweedy, Browne Fund Inc. 169,63512.7M $2.79 %0.10 %as of Mar 31, 2026 ↗
JPMorgan Large Cap Value Fund JPMorgan Trust II 168,56912.7M $0.26 %0.10 %as of Mar 31, 2026 ↗
Franklin Small-Mid Cap Growth Fund Franklin Strategic Series 167,06012.5M $0.35 %0.10 %as of Apr 30, 2026 ↗
VANGUARD TAX-MANAGED CAPITAL APPRECIATION FUND VANGUARD TAX-MANAGED FUNDS 164,67112.4M $0.05 %0.10 %as of Mar 31, 2026 ↗
Handelsbanken Hälsovård Tema Handelsbanken Fonder AB 154,000110.2M SEK0.50 %0.09 %as of Mar 31, 2026 ↗
Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust 153,61211.5M $0.12 %0.09 %as of Mar 31, 2026 ↗
Invesco Small Cap Growth Fund AIM Growth Series (Invesco Growth Series) 152,12211.4M $0.74 %0.09 %as of Mar 31, 2026 ↗
JNL/Invesco Small Cap Growth Fund JNL Series Trust 150,98811.3M $0.73 %0.09 %as of Mar 31, 2026 ↗
Nuveen ESG Small-Cap ETF NuShares ETF Trust 150,39811.2M $0.87 %0.09 %as of Apr 30, 2026 ↗
Columbia Acorn Fund COLUMBIA ACORN TRUST 148,67011.2M $0.50 %0.09 %as of Mar 31, 2026 ↗
Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust 140,69210.5M $0.37 %0.08 %as of Apr 30, 2026 ↗
VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS 138,60210.4M $0.01 %0.08 %as of Apr 30, 2026 ↗
Nuveen Equity Index Fund TIAA-CREF Funds 129,8909.7M $0.02 %0.08 %as of Apr 30, 2026 ↗
T. Rowe Price Mid Cap Growth Portfolio Brighthouse Funds Trust I 127,6909.6M $0.91 %0.08 %as of Mar 31, 2026 ↗
iShares U.S. Small-Cap Equity Factor ETF iShares Trust 121,0959.1M $0.25 %0.07 %as of Apr 30, 2026 ↗
iShares U.S. Equity Factor Rotation Active ETF BlackRock ETF Trust 118,1508.8M $0.03 %0.07 %as of Apr 30, 2026 ↗
Goldman Sachs Mid Cap Growth Fund Goldman Sachs Trust 116,2809.4M $0.96 %0.07 %as of Feb 28, 2026 ↗
SEB Läkemedelsfond SEB Funds AB 114,33481.8M SEK0.51 %0.07 %as of Mar 31, 2026 ↗
JPMorgan Mid Cap Equity Fund JPMorgan Trust I 111,8458.4M $0.15 %0.07 %as of Mar 31, 2026 ↗
iShares Russell 1000 ETF iShares Trust 110,0428.3M $0.02 %0.07 %as of Mar 31, 2026 ↗
Invesco Health Care Fund AIM Investment Funds (Invesco Investment Funds) 107,3128M $0.71 %0.06 %as of Apr 30, 2026 ↗
Fidelity SAI U.S. Momentum Index Fund Fidelity Salem Street Trust 106,3087.9M $0.10 %0.06 %as of Apr 30, 2026 ↗
SMALL COMPANY GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS 102,4337.7M $0.56 %0.06 %as of Mar 31, 2026 ↗
AMG TimesSquare Mid Cap Growth Fund AMG Funds 101,8847.7M $0.51 %0.06 %as of Mar 31, 2026 ↗
JPMorgan Active Value ETF J.P. Morgan Exchange-Traded Fund Trust 101,1517.6M $0.13 %0.06 %as of Mar 31, 2026 ↗
Large Cap Index Master Portfolio Master Investment Portfolio 97,3597.3M $0.02 %0.06 %as of Mar 31, 2026 ↗
Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust 96,2897.8M $0.03 %0.06 %as of Feb 28, 2026 ↗
Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST 95,4387.1M $0.02 %0.06 %as of Apr 30, 2026 ↗
Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST 95,2367.7M $0.02 %0.06 %as of Feb 28, 2026 ↗
MFS New Discovery Series MFS VARIABLE INSURANCE TRUST 94,7017.1M $1.00 %0.06 %as of Mar 31, 2026 ↗
Mid Cap Growth Fund John Hancock Investment Trust 94,1017.1M $0.62 %0.06 %as of Mar 31, 2026 ↗
Nuveen Large Cap Growth Index Fund TIAA-CREF Funds 90,5716.8M $0.04 %0.05 %as of Apr 30, 2026 ↗
VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS 88,5706.7M $0.01 %0.05 %as of Mar 31, 2026 ↗
Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust 87,3656.6M $0.07 %0.05 %as of Mar 31, 2026 ↗

Download this table: CSV, JSON

Report an error

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.

FundWeight 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.

QuarterShareholdersChangeSharesChange
2026Q2422+2985,444,539+5.7 %
2026Q1393+4580,814,443+5.3 %
2025Q4348+6276,715,982-3.1 %
2025Q3286+1279,201,702-1.0 %
2025Q2274-1279,971,398+0.1 %
2025Q1286-1779,920,146+7.6 %
2024Q4303+474,303,125+10.4 %
2024Q3299-1067,280,894+3.7 %
2024Q2309+1064,888,088+5.0 %
2024Q1299+1561,777,585-4.9 %
2023Q428464,944,400

Institutional managers

483 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.

ManagerSharesValue
FMR LLC24,556,6371.8B $as of Mar 31, 2026
Capital World Investors21,186,3691.6B $as of Mar 31, 2026
BlackRock, Inc.10,442,476784.1M $as of Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP6,391,816480M $as of Mar 31, 2026
T. Rowe Price Investment Management, Inc.6,159,027462.5K $as of Mar 31, 2026
TWO SIGMA INVESTMENTS, LP5,857,629439.8M $as of Mar 31, 2026
STATE STREET CORP3,995,564300M $as of Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC3,984,332305.2M $as of Mar 31, 2026
ROYAL BANK OF CANADA3,801,815285.5M $as of Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/3,025,251227.2K $as of Mar 31, 2026
JPMORGAN CHASE & CO2,363,567171.4M $as of Mar 31, 2026
Tweedy, Browne Co LLC2,275,625170.9M $as of Mar 31, 2026
Artisan Partners Limited Partnership2,058,308154.6M $as of Mar 31, 2026
BAKER BROS. ADVISORS LP2,047,727153.8M $as of Mar 31, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.1,979,669148.7M $as of Mar 31, 2026
Deep Track Capital, LP1,950,000146.4M $as of Mar 31, 2026
Bellevue Group AG1,818,665136.6M $as of Mar 31, 2026
GOLDMAN SACHS GROUP INC1,699,847127.6M $as of Mar 31, 2026
AMERICAN CENTURY COMPANIES INC1,663,803124.9M $as of Mar 31, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,583,266118.9M $as of Mar 31, 2026
FRANKLIN RESOURCES INC1,575,023118.3M $as of Mar 31, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1,475,632110.8M $as of Mar 31, 2026
Pictet Asset Management Holding SA1,434,995107.1M $as of Mar 31, 2026
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC1,404,033105.4M $as of Mar 31, 2026
Invesco Ltd.1,277,35895.9M $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.

ShareholderDeclared stakeShares
Capital World Investors 12.80 %21,186,369as of Mar 31, 2026 · SCHEDULE 13G
Vanguard Capital Management 5.05 %8,344,732as of Mar 31, 2026 · SCHEDULE 13G
T. Rowe Price Investment Management, Inc. 3.70 %6,159,027as 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.

FundBond linesValue
Calamos Market Neutral Income Fund236.4M $as of Apr 30, 2026
iShares Convertible Bond ETF228.6M $as of Apr 30, 2026
State Street(R) SPDR(R) Bloomberg Convertible Securities ETF221.8M $as of Mar 31, 2026
Columbia Convertible Securities Fund120.9M $as of Feb 28, 2026
NYLI MacKay Convertible Fund219M $as of Apr 30, 2026
Virtus Income & Growth Fund216.7M $as of Mar 31, 2026
NYLIM VP MacKay Convertible Portfolio216.5M $as of Mar 31, 2026
Virtus Convertible Fund215.3M $as of Mar 31, 2026
Fidelity Convertible Securities Fund313.5M $as of Feb 28, 2026
Calamos Convertible Fund19.6M $as of Apr 30, 2026
Invesco Convertible Securities Fund19.1M $as of Mar 31, 2026
Lord Abbett Convertible Fund18.8M $as of Feb 28, 2026
THE HARTFORD STRATEGIC INCOME FUND27M $as of Apr 30, 2026
Fidelity Strategic Dividend and Income Fund35.9M $as of Feb 28, 2026
WESTWOOD ALTERNATIVE INCOME FUND13M $as of Apr 30, 2026
Putnam Convertible Securities Fund12.8M $as of Apr 30, 2026
Global Opportunities Portfolio12.8M $as of Apr 30, 2026
Voya Global Income & Growth Fund12.3M $as of Feb 28, 2026
American Beacon SSI Alternative Income Fund12.2M $as of Mar 31, 2026
Calamos Global Opportunities Fund11.7M $as of Apr 30, 2026
THE HARTFORD BALANCED INCOME FUND11.7M $as of Apr 30, 2026
Calamos Global Convertible Fund11.7M $as of Apr 30, 2026
Hartford Strategic Income ETF21.5M $as of Apr 30, 2026
Calvert Bond Fund11.4M $as of Mar 31, 2026
High Yield Bond Fund11.3M $as of Feb 28, 2026
Cite this page

Titelia. "Fund shareholders of Ionis Pharmaceuticals Inc". https://titelia.com/en/stocks/ionis-pharmaceuticals-inc-US4622221004