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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 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 2022

Institutional positions in Ionis Pharmaceuticals Inc as of Jun 30, 2022. 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
351
+22 vs. Q1 2022
Shares held
124.6M
+27.5K (0.0%) vs. Q1 2022
Total value
$4.61B
−$315.6K (0.0%) vs. Q1 2022
New holders
53
89 more added
Sold out
31
130 more reduced

4 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2022: 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.

Institutional holdersQ2 2022: 351 institutions
Q1 2021: 365 institutionsQ2 2021: 338 institutionsQ3 2021: 326 institutionsQ4 2021: 341 institutionsQ1 2022: 333 institutionsQ2 2022: 351 institutionsQ3 2022: 350 institutionsQ4 2022: 339 institutionsQ1 2023: 315 institutionsQ2 2023: 305 institutionsQ3 2023: 312 institutionsQ4 2023: 365 institutionsQ1 2024: 361 institutionsQ2 2024: 357 institutionsQ3 2024: 354 institutionsQ4 2024: 356 institutionsQ1 2025: 344 institutionsQ2 2025: 363 institutionsQ3 2025: 437 institutionsQ4 2025: 494 institutionsQ1 2026: 497 institutionsQ2 2026: 515 institutions
Value heldQ2 2022: $4.61B
Q1 2021: $5.55BQ2 2021: $4.96BQ3 2021: $4.08BQ4 2021: $3.75BQ1 2022: $4.63BQ2 2022: $4.61BQ3 2022: $5.59BQ4 2022: $4.93BQ1 2023: $4.69BQ2 2023: $5.60BQ3 2023: $6.35BQ4 2023: $7.21BQ1 2024: $6.17BQ2 2024: $6.83BQ3 2024: $6.31BQ4 2024: $5.61BQ1 2025: $5.03BQ2 2025: $6.67BQ3 2025: $11.0BQ4 2025: $13.5BQ1 2026: $13.0BQ2 2026: $14.3B
Institutions holding IONS and their total value by quarter
QuarterHoldersValue
Q2 2026515$14.3B
Q1 2026497$13.0B
Q4 2025494$13.5B
Q3 2025437$11.0B
Q2 2025363$6.67B
Q1 2025344$5.03B
Q4 2024356$5.61B
Q3 2024354$6.31B
Q2 2024357$6.83B
Q1 2024361$6.17B
Q4 2023365$7.21B
Q3 2023312$6.35B
Q2 2023305$5.60B
Q1 2023315$4.69B
Q4 2022339$4.93B
Q3 2022350$5.59B
Q2 2022351$4.61B
Q1 2022333$4.63B
Q4 2021341$3.75B
Q3 2021326$4.08B
Q2 2021338$4.96B
Q1 2021365$5.55B

Institutions, Q2 2022

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q1 2022.

Institutions holding IONS in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Davenport & Co LLC83,318$3.08M0.03%−545−0.6%Reduced
LPL Financial LLC82,087$3.04M0.00%−12,466−13.2%Reduced
State of New Jersey Common Pension Fund D80,433$2.98M0.01%−8,446−9.5%Reduced
Public Employees Retirement System of Ohio75,343$2.79M0.01%−2,323−3.0%Reduced
Tudor Investment Corp Et Al74,192$2.75M0.08%+44,667+151.3%Added
PFS Investments Inc.74,125$2.74M0.06%−936−1.2%Reduced
SG Americas Securities, LLC72,557$2.69M0.04%+60,966+526.0%Added
Eaton Vance Management69,598$2.58M0.00%+13,033+23.0%Added
Ergoteles LLC69,124$2.56M0.08%+31,124+81.9%Added
Guggenheim Capital LLC63,746$2.36M0.02%−4,491−6.6%Reduced
Occudo Quantitative Strategies LP61,671$2.28M0.19%+61,671New
UBS Oconnor LLC61,497$2.28M0.02%+61,497New
Gotham Asset Management, LLC61,484$2.28M0.07%+23,057+60.0%Added
Graham Capital Management, L.P.61,013$2.26M0.10%+40,913+203.5%Added
Alliancebernstein L.P.60,860$2.25M0.00%−1,079−1.7%Reduced
PDT Partners, LLC59,865$2.22M0.20%−20,205−25.2%Reduced
Treasurer of the State of North Carolina59,742$2.21M0.01%+8,071+15.6%Added
Voya Investment Management LLC56,555$2.09M0.01%−7,710−12.0%Reduced
Employees Retirement System of Texas54,409$2.01M0.03%+22,000+67.9%Added
Raymond James Financial Services Advisors, Inc.54,230$2.01M0.00%+3,645+7.2%Added
Erste Asset Management GmbH51,300$1.93M0.04%00.0%Unchanged
Rhenman & Partners Asset Management AB50,000$1.85M0.21%−21,000−29.6%Reduced
HSBC Holdings PLC47,206$1.78M0.00%+40,609+615.6%Added
Winton Group Ltd42,634$1.58M0.08%+42,634New
NJ State Employees Deferred Compensation Plan42,000$1.55M0.25%00.0%Unchanged
Arrowstreet Capital, Limited Partnership41,104$1.52M0.00%+41,104New
Capital Counsel LLC41,010$1.52M0.09%00.0%Unchanged
Envestnet Asset Management Inc40,365$1.49M0.00%−50,506−55.6%Reduced
Highland Capital Management, LLC39,159$1.45M0.10%+39,159New
Capital Fund Management S.A.39,110$1.45M0.04%−5,609−12.5%Reduced
Koss-Olinger Consulting, LLC38,922$1.44M0.26%−5,198−11.8%Reduced
ExodusPoint Capital Management, LP37,590$1.39M0.02%+37,590New
Susquehanna International Group, LLP37,553$1.39M0.00%−12,173−24.5%Reduced
AlphaCrest Capital Management LLC36,447$1.35M0.07%−21,845−37.5%Reduced
Knowledge Leaders Capital, LLC34,640$1.28M1.24%+34,640New
Simplex Trading, LLC34,626$1.28M0.04%+30,547+748.9%Added
Arizona State Retirement System34,441$1.27M0.01%+87+0.3%Added
Amalgamated Bank33,323$1.23M0.01%+1,389+4.3%Added
Macquarie Group Ltd33,268$1.23M0.00%+1,262+3.9%Added
Deutsche Bank AG32,465$1.20M0.00%−897−2.7%Reduced
Prospera Financial Services Inc31,284$1.16M0.06%+26,644+574.2%Added
Janney Montgomery Scott LLC30,658$1.14M0.01%−7,956−20.6%Reduced
MML Investors Services, LLC29,479$1.09M0.01%+1,357+4.8%Added
Trexquant Investment LP28,423$1.05M0.05%−19,339−40.5%Reduced
Grandfield & Dodd, LLC28,276$1.05M0.08%+275+1.0%Added
Federated Hermes, Inc.27,237$1.01M0.00%+8,875+48.3%Added
Cordatus Wealth Management LLC26,083$966.0K0.45%+26,083New
Brookstone Capital Management25,341$941.0K0.02%+2,970+13.3%Added
Algert Global LLC24,900$922.0K0.07%+11,556+86.6%Added
Ensign Peak Advisors, Inc24,870$921.0K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC23,764$879.0K0.00%−2,229−8.6%Reduced
Vestmark Advisory Solutions, Inc.23,595$874.0K0.05%+4,434+23.1%Added
Janus Henderson Group PLC23,207$858.0K0.00%−2,516−9.8%Reduced
Kestra Advisory Services, LLC22,831$845.0K0.01%−786−3.3%Reduced
Virtu Financial LLC22,794$844.0K0.07%+22,794New
Allianz Asset Management GmbH22,497$833.0K0.00%−59,333−72.5%Reduced
Storebrand Asset Management AS22,462$831.5K0.00%00.0%Unchanged
Truist Financial Corp22,364$828.0K0.00%−8,906−28.5%Reduced
Skandinaviska Enskilda Banken AB (publ)20,878$773.0K0.01%00.0%Unchanged
Ziegler Capital Management, LLC20,779$769.0K0.03%+20,779New
Global Retirement Partners, LLC20,431$756.0K0.06%+90+0.4%Added
Teacher Retirement System of Texas20,265$750.0K0.01%−5,947−22.7%Reduced
Public Employees Retirement Association of Colorado19,604$726.0K0.00%00.0%Unchanged
Handelsbanken Fonder AB18,511$685.0K0.00%+4,800+35.0%Added
Dynamic Technology Lab Private Ltd18,310$678.0K0.08%+18,310New
AtonRa Partners18,146$672.0K0.62%+18,146New
Advisor Group Holdings, Inc.17,424$646.0K0.00%−2,142−10.9%Reduced
US Bancorp17,323$641.0K0.00%−4,135−19.3%Reduced
Cetera Advisor Networks LLC17,276$640.0K0.01%+1,295+8.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)16,734$619.0K0.00%−1,514−8.3%Reduced
Engineers Gate Manager LP16,703$618.0K0.02%+6,835+69.3%Added
Profund Advisors LLC16,203$600.0K0.04%−1,389−7.9%Reduced
Fox Run Management, L.L.C.15,947$590.0K0.29%+6,893+76.1%Added
Natixis Advisors, L.P.15,830$586.0K0.00%−31−0.2%Reduced
Castle Rock Wealth Management, LLC15,593$573.0K0.29%00.0%Unchanged
Xponance, Inc.15,418$571.0K0.01%+520+3.5%Added
Blair William & Co14,607$541.0K0.00%−121−0.8%Reduced
Oppenheimer & Co Inc14,560$539.0K0.01%−2,000−12.1%Reduced
Vontobel Holding Ltd.14,210$534.0K0.01%−505−3.4%Reduced
Shell Asset Management Co14,216$526.0K0.02%+3,194+29.0%Added
North Star Asset Management Inc13,680$506.0K0.03%00.0%Unchanged
Victory Capital Management Inc13,546$501.0K0.00%+1,721+14.6%Added
ProShare Advisors LLC13,367$495.0K0.00%−4,534−25.3%Reduced
Lincoln National Corp13,261$491.0K0.01%00.0%Unchanged
Point72 Asset Management, L.P.13,185$488.0K0.00%+13,185New
Creative Planning12,729$471.0K0.00%−29−0.2%Reduced
E Fund Management Co., Ltd.12,597$466.0K0.04%+4,263+51.2%Added
Comerica Bank11,684$459.0K0.00%−71−0.6%Reduced
Teza Capital Management LLC12,225$453.0K0.17%+4,707+62.6%Added
Arden Trust Co12,192$451.0K0.10%−126−1.0%Reduced
Strategic Wealth Advisors Group, LLC12,090$445.0K0.02%−9,394−43.7%Reduced
Man Group plc–$442.0K0.00%–New
Stephens Inc11,644$431.0K0.01%−908−7.2%Reduced
Ameriprise Financial Inc11,384$421.0K0.00%−1,298−10.2%Reduced
Campbell & CO Investment Adviser LLC11,299$418.0K0.11%+11,299New
Plancorp, LLC11,235$416.0K0.03%+23+0.2%Added
Hanseatic Management Services Inc11,222$415.0K0.94%+11,222New
Cambridge Investment Research Advisors, Inc.11,122$412.0K0.00%+655+6.3%Added
Neuberger Berman Group LLC11,086$410.0K0.00%+11,086New
Oppenheimer Asset Management Inc.10,903$403.0K0.01%−92−0.8%Reduced