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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, Q4 2022

Institutional positions in Ionis Pharmaceuticals Inc as of Dec 31, 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
339
−4 vs. Q3 2022
Shares held
130.6M
+4.77M (+3.8%) vs. Q3 2022
Total value
$4.93B
−$630.7M (−11.3%) vs. Q3 2022
New holders
50
115 more added
Sold out
54
107 more reduced

7 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2022: 339 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 heldQ4 2022: $4.93B
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, Q4 2022

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q3 2022.

Institutions holding IONS in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Valley National Advisers Inc11$00.00%00.0%Unchanged
Retirement Group, LLC11$00.00%00.0%Unchanged
Huntington National Bank1$380.00%00.0%Unchanged
Hexagon Capital Partners LLC9$3400.00%00.0%Unchanged
SRS Capital Advisors, Inc.15$5670.00%−22−59.5%Reduced
Focused Wealth Management, Inc16$6040.00%00.0%Unchanged
Rosenberg Matthew Hamilton20$7550.00%00.0%Unchanged
Key Financial Inc19$8400.00%00.0%Unchanged
CoreCap Advisors, LLC26$9820.00%+26New
Massmutual Trust Co FSB36$1.00K0.00%−5−12.2%Reduced
Private Trust Co NA39$1.00K0.00%00.0%Unchanged
Bessemer Group Inc25$1.00K0.00%+25New
Raffa Wealth Management, LLC28$1.06K0.00%00.0%Unchanged
Kelly Financial Services LLC30$1.13K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.35$1.32K0.00%00.0%Unchanged
Concord Wealth Partners36$1.36K0.00%+36New
Orion Capital Management LLC38$1.44K0.00%00.0%Unchanged
Cornerstone Planning Group LLC45$1.83K0.00%+45New
Earnest Partners LLC49$1.85K0.00%00.0%Unchanged
Global Retirement Partners, LLC51$1.93K0.00%00.0%Unchanged
Private Advisor Group, LLC51,008$1.93K0.00%−58,864−53.6%Reduced
Capital Advisors, Ltd. LLC63$2.00K0.00%+59+1,475.0%Added
Johnson Midwest Financial, LLC59$2.00K0.01%+59New
Blume Capital Management, Inc.55$2.08K0.00%00.0%Unchanged
Parkside Financial Bank & Trust62$2.34K0.00%00.0%Unchanged
Baker Avenue Asset Management, LP77$2.91K0.00%+77New
Versant Capital Management, Inc78$2.95K0.00%00.0%Unchanged
Semmax Financial Advisors Inc.84$3.00K0.00%00.0%Unchanged
Centerpoint Advisors, LLC68$3.00K0.00%00.0%Unchanged
Colonial Trust Co82$3.06K0.00%+82New
Bogart Wealth, LLC85$3.21K0.00%00.0%Unchanged
Affiance Financial, LLC100$3.78K0.00%+100New
Bell Investment Advisors, Inc102$3.85K0.00%−12−10.5%Reduced
Hall Laurie J Trustee115$4.00K0.00%−70−37.8%Reduced
Umb Bank N A101$4.00K0.00%−13−11.4%Reduced
Lindbrook Capital, LLC115$4.34K0.00%−68−37.2%Reduced
Spire Wealth Management125$5.00K0.00%00.0%Unchanged
Raleigh Capital Management Inc.144$5.44K0.00%+72+100.0%Added
Pacifica Partners Inc.150$5.58K0.00%00.0%Unchanged
Farther Finance Advisors, LLC159$6.00K0.00%+159New
Clearstead Advisors, LLC185$6.99K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC187$7.06K0.00%00.0%Unchanged
AllSquare Wealth Management LLC198$7.48K0.01%00.0%Unchanged
Insight Financial Services200$7.55K0.01%00.0%Unchanged
Ci Investments Inc.202$8.00K0.00%+194+2,425.0%Added
Signaturefd, LLC231$8.72K0.00%−17−6.9%Reduced
Covestor Ltd246$9.00K0.01%−11−4.3%Reduced
Quadrant Capital Group LLC247$9.33K0.00%−50−16.8%Reduced
Steward Partners Investment Advisory, LLC313$11.8K0.00%−23−6.8%Reduced
Whittier Trust Co of Nevada Inc341$12.9K0.00%00.0%Unchanged
Loomis Sayles & Co L P344$13.0K0.00%+344New
Global Trust Asset Management, LLC399$15.1K0.01%00.0%Unchanged
Geneos Wealth Management Inc.400$15.1K0.00%00.0%Unchanged
Advent Capital Management464$17.5K0.00%00.0%Unchanged
Riverview Trust Co476$18.0K0.02%00.0%Unchanged
Riggs Asset Managment Co. Inc.500$18.9K0.01%−497−49.8%Reduced
Leonteq Securities AG523$19.8K0.00%+209+66.6%Added
AlphaMark Advisors, LLC550$21.0K0.01%00.0%Unchanged
Daiwa Securities Group Inc.571$22.0K0.00%+43+8.1%Added
Laurel Wealth Advisors LLC600$22.7K0.01%00.0%Unchanged
Belpointe Asset Management LLC608$23.0K0.00%+608New
Advisory Services Network, LLC616$23.3K0.00%+616New
Washington Trust Advisors, Inc.660$24.9K0.00%−865−56.7%Reduced
Parallel Advisors, LLC671$25.3K0.00%−51−7.1%Reduced
Zullo Investment Group, Inc.682$25.8K0.02%00.0%Unchanged
Altshuler Shaham Ltd695$26.3K0.00%−690−49.8%Reduced
Glassman Wealth Services733$27.7K0.01%−6−0.8%Reduced
Institutional & Family Asset Management, LLC774$29.2K0.00%−12−1.5%Reduced
Allworth Financial LP797$30.1K0.00%00.0%Unchanged
Archer Investment Corp850$32.1K0.01%00.0%Unchanged
Heritage Wealth Management, LLC900$34.0K0.00%+224+33.1%Added
Ronald Blue Trust, Inc.849$38.0K0.00%+174+25.8%Added
United Community Bank1,131$42.7K0.04%+5+0.4%Added
Romano Brothers and Company1,148$43.4K0.01%+1,148New
Harbour Investments, Inc.1,210$45.7K0.00%−50−4.0%Reduced
Banque Cantonale Vaudoise1,279$48.0K0.00%+879+219.7%Added
Kistler-Tiffany Companies, LLC1,281$48.4K0.01%00.0%Unchanged
GWM Advisors LLC1,317$49.4K0.00%+1,317New
Walleye Trading LLC1,316$49.7K0.00%+1,316New
KBC Group NV1,378$52.0K0.00%00.0%Unchanged
New England Capital Financial Advisors LLC1,300$53.0K0.04%+1,300New
China Universal Asset Management Co., Ltd.1,443$54.5K0.02%+114+8.6%Added
Twin Lakes Capital Management, LLC1,500$56.7K0.04%00.0%Unchanged
CWM, LLC1,837$69.0K0.00%−126−6.4%Reduced
Itau Unibanco Holding S.A.1,848$69.8K0.00%+10+0.5%Added
First Manhattan Co1,975$74.6K0.00%00.0%Unchanged
American International Group, Inc.2,106$79.5K0.00%−47−2.2%Reduced
Fifth Third Bancorp2,500$94.4K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.2,581$97.0K0.00%00.0%Unchanged
Chiron Investment Management, LLC3,173$119.8K0.03%00.0%Unchanged
Aquatic Capital Management LLC3,200$121.0K0.01%−22,300−87.5%Reduced
Amundi3,593$136.4K0.00%+3,593New
Lazard Asset Management LLC3,723$139.0K0.00%−322−8.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.4,269$160.4K0.00%−439−9.3%Reduced
Simplex Trading, LLC4,370$165.0K0.01%+4,370New
Sectoral Asset Management Inc4,450$168.1K0.03%00.0%Unchanged
Beaird Harris Wealth Management, LLC5,062$191.2K0.04%+62+1.2%Added
Regions Financial Corp5,346$202.0K0.00%00.0%Unchanged
Alpha Paradigm Partners, LLC5,335$202.0K0.08%+5,335New
Cetera Advisor Networks LLC5,672$214.2K0.00%+5,672New