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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 3 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.

Q4 2023 vs. Q3 2023

How the institutions holding Ionis Pharmaceuticals Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of IONS: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders3124365+57
Shares139.7M78.7K142.5M+2.89M (+2.1%)
Value$6.35B$3.57M$7.21B+$870.9M (+13.7%)

4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (85)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to IONS in Q4 2023
InstitutionSharesValue% of portfolio
Groupama Asset Managment357,036$18.1M0.47%
First Turn Management, LLC356,679$18.0M2.59%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.339,667$17.2M0.05%
C WorldWide Group Holding A/S300,000$15.2M0.20%
Voloridge Investment Management, LLC264,121$13.4M0.05%
Cubist Systematic Strategies, LLC199,477$10.1M0.12%
Superstring Capital Management LP189,618$9.59M6.85%
Assenagon Asset Management S.A.184,401$9.33M0.03%
Susquehanna Portfolio Strategies, LLC169,678$8.58M0.15%
Standard Life Aberdeen plc136,419$6.90M0.01%
Senator Investment Group LP135,000$6.83M0.29%
Granite Investment Partners, LLC119,946$6.07M0.24%
Parkwood LLC108,554$5.49M0.88%
Aigen Investment Management, LP73,720$3.73M0.67%
Cinctive Capital Management LP73,256$3.71M0.26%
Lisanti Capital Growth, LLC62,415$3.16M0.74%
Cowen and Company, LLC51,415$2.60M0.17%
Schroder Investment Management Group43,000$2.18M0.00%
Nicholas Investment Partners, LP30,445$1.54M0.18%
Twinbeech Capital LP29,729$1.50M0.02%
Engineers Gate Manager LP28,877$1.46M0.04%
STRS Ohio24,779$1.25M0.01%
HealthInvest Partners AB24,243$1.23M0.96%
ExodusPoint Capital Management, LP23,484$1.19M0.01%
Point72 Hong Kong Ltd20,015$1.01M0.06%
Bank Julius Baer & Co. Ltd, Zurich19,050$963.7K0.00%
Calamos Advisors LLC16,379$828.6K0.00%
Friedenthal Financial14,225$719.6K0.47%
Chartwell Investment Partners, LLC12,982$657.0K0.02%
Pathstone Holdings, LLC11,882$611.2K0.00%
Gsa Capital Partners LLP11,680$591.0K0.05%
Truist Financial Corp9,965$504.1K0.00%
Teza Capital Management LLC9,733$492.4K0.08%
Simplex Trading, LLC9,545$482.0K0.02%
Wolverine Trading, LLC9,495$480.4K0.00%
Fox Run Management, L.L.C.9,271$469.0K0.12%
NEOS Investment Management LLC8,906$450.6K0.04%
Handelsinvest Investeringsforvaltning8,033$406.0K0.17%
Sectoral Asset Management Inc6,480$327.8K0.14%
Aquatic Capital Management LLC6,400$324.0K0.01%
Weiss Asset Management LP5,874$297.2K0.02%
Kapitalo Investimentos Ltda5,714$289.1K0.06%
Legato Capital Management LLC5,455$276.0K0.04%
Capital Wealth Planning, LLC5,408$273.6K0.00%
Dynamic Technology Lab Private Ltd5,273$267.0K0.03%
Oracle Alpha Inc.5,019$253.9K0.33%
MML Investors Services, LLC4,324$219.0K0.00%
Level Four Advisory Services, LLC4,302$217.6K0.01%
Prudential Financial Inc4,269$216.0K0.00%
AQR Capital Management LLC4,300$214.3K0.00%
Checchi Capital Advisers, LLC4,234$214.2K0.02%
Berkshire Asset Management LLC4,180$211.5K0.01%
Regions Financial Corp4,085$206.7K0.00%
CIBC Asset Management Inc4,002$202.5K0.00%
Natixis2,878$145.6K0.00%
Icon Wealth Advisors, LLC2,537$128.3K0.01%
Torno Capital, LLC2,500$126.5K0.13%
EntryPoint Capital, LLC878$44.4K0.04%
nVerses Capital, LLC–$40.5K0.11%
Global X Japan Co., Ltd.716$36.2K0.02%
Tennessee Valley Asset Management Partners673$34.0K0.01%
Advisory Services Network, LLC519$26.3K0.00%
GAMMA Investing LLC500$25.7K0.01%
Pingora Partners LLC500$25.3K0.02%
ORG Partners LLC400$20.2K0.00%
Advisors Asset Management, Inc.303$15.3K0.00%
SYSTM Wealth Solutions LLC204$10.3K0.00%
Walleye Trading LLC148$7.49K0.00%
Sachetta, LLC115$5.82K0.00%
Garner Asset Management Corp115$5.72K0.00%
Creekmur Asset Management LLC100$5.06K0.00%
DAGCO, Inc.80$4.05K0.00%
Dynamic Wealth Strategies, LLC80$4.05K0.00%
Rockbridge Investment Management, LCC58$2.94K0.00%
SOA Wealth Advisors, LLC.50$2.53K0.00%
CVA Family Office, LLC30$1.52K0.00%
Quent Capital, LLC21$1.06K0.00%
First Pacific Financial20$1.01K0.00%
Avion Wealth25$1.00K0.00%
Fortitude Family Office, LLC14$7080.00%
Private Wealth Management Group, LLC10$5060.00%
Assetmark, Inc7$3540.00%
Fairfield, Bush & Co.4$2020.00%
Tucker Asset Management LLC3$1520.00%
Quest Partners LLC1$510.00%

Sold out (28)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Not filed for Q4 2023 yet (4)

Institutions that held Ionis Pharmaceuticals Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IONS in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
International Biotechnology Trust PLC43,000$1.95M
Virginia Retirement Systems Et Al32,900$1.49M
Icon Wealth Partners, LLC2,724$123.6K
Johnson Midwest Financial, LLC59$2.68K