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IONS

IONS

Ionis Pharmaceuticals, Inc.Healthcare

Institutional holders
554
As of Q2 2026
Total 13F value
$16.3B
Sum of disclosed positions
New positions
86
This quarter
Sold positions
59
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
FMR LLC

Fmr Llc

$2B31.64M0.05%+0.2%
Capital World Investors

Capital World Investors

$1.7B21.67M0.20%+2.3%
BlackRock, Inc.

Blackrock, Inc.

$866.5M22.13M0.01%-40.5%
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$624.6M19.22M0.10%-16.6%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$623.2M7.86M0.03%+0.7%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$571.8M7.21M0.01%+1.3%
ROYAL BANK OF CANADA

Royal Bank Of Canada

$498.7M6.68M0.04%-95.4%
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$495.7M6.25M0.36%+6.7%
STATE STREET CORP

State Street Corporation

$367.1M19.36M0.01%+26.3%
T. Rowe Price Investment Management, Inc.

T. Rowe Price Investment Management, Inc.

$313.9M3.96M0.21%-35.7%
CITADEL ADVISORS LLC

Citadel Advisors

$308.1M173.46M0.02%+49.1%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$294.8M3.58M0.01%-10.1%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$252.5M3.18M0.02%+5.3%
DEERFIELD MANAGEMENT COMPANY, L.P.

Deerfield Management Company, L.P. (Series C)

$250.1M61.98M1.64%Unchanged
JPMORGAN CHASE & CO

Jpmorgan Chase

$217.1M3.22M0.01%New Position
Artisan Partners Limited Partnership

Artisan Partners Limited Partnership

$209.3M2.64M0.33%+28.3%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$195.3M14.53M0.02%+8029.6%
Tweedy, Browne Co LLC

Tweedy Browne Co

$180.8M2.28M13.70%+0.2%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$179.2M2.68M0.01%Exited
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

Ubs Asset Management Americas Inc

$179.2M42.55M0.01%New Position
Deep Track Capital, LP

Deep Track Capital, Lp

$174.4M2.20M2.54%+12.8%
Aptus Capital Advisors, LLC

Aptus Capital Advisors, Llc

$167.5M7.95M1.15%+13.6%
BAKER BROS. ADVISORS LP

Baker Bros. Advisors Lp

$162.4M2.05M0.81%Unchanged
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$154.4M1.95M0.07%+17.0%
TENOR CAPITAL MANAGEMENT Co., L.P.

Tenor Capital Management Co., L.P.

$147.8M94.68M2.08%+336.1%
MORGAN STANLEY

Morgan Stanley

$129.2M2.59M0.00%Exited
FRANKLIN RESOURCES INC

Franklin Resources Inc

$128.7M1.62M0.03%+3.1%
BARCLAYS PLC

Barclays Plc

$127.5M1.85M0.02%-84.2%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$127.3M1.61M0.02%+1.4%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$127.3M1.61M0.02%New Position
Pictet Asset Management Holding SA

Pictet Asset Management Holding Sa

$127M1.60M0.12%+11.3%
VOYA INVESTMENT MANAGEMENT LLC

Voya Investment Management Llc

$124.7M76.72M0.10%-10.1%
Polar Capital Holdings Plc

Polar Capital Holdings Plc

$115.3M1.45M0.27%+75.3%
Alyeska Investment Group, L.P.

Alyeska Investment Group, L.P.

$112.4M1.42M0.29%+199.7%
Invesco Ltd.

Invesco Ltd.

$108M2.03M0.00%-12.3%
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.

Nomura Asset Management International Inc.

$103.1M1.30M0.15%+65.6%
DLD Asset Management, LP

Dld Asset Management, Lp

$93.7M60.00M6.19%+9.1%
RAYMOND JAMES FINANCIAL INC

Raymond James Financial Inc

$90.7M3.65M0.02%+0.9%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$84.1M1.06M0.02%+3.6%
AMERIPRISE FINANCIAL INC

Ameriprise Financial Inc

$79.8M3.61M0.01%-89.7%
Bellevue Group AG

Bellevue Group Ag

$77.1M972.3K1.58%-46.5%
GROUPAMA ASSET MANAGMENT

Groupama Asset Managment

$75.2M937.1K0.95%+13.7%
NORTHERN TRUST CORP

Northern Trust Corp

$72.4M913.6K0.01%+5.2%
BANK OF AMERICA CORP /DE/

Bank Of America

$72M1.23M0.00%Exited
Capital International Investors

Capital International Investors

$65.3M823.8K0.01%New Position
LMR Partners LLP

Lmr Partners Llp

$64.5M40.03M0.23%+7.2%
Davern Capital Partners, LP

Davern Capital Partners, Lp

$63.3M798.7K10.80%+106.4%
BNP Paribas Asset Management Holding S.A.

Bnp Paribas Asset Management Holding S.A.

$63.1M3.87M0.03%-19.1%
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC

Summit Partners Public Asset Management, Llc

$62.4M787.3K1.10%-43.9%
GW&K Investment Management, LLC

Gw&K Investment Management, Llc

$59.2M747.0K0.44%-4.2%

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