Skip to main content

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, Q3 2024

Institutional positions in Ionis Pharmaceuticals Inc as of Sep 30, 2024. 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
354
+1 vs. Q2 2024
Shares held
157.5M
+24.6M (+18.5%) vs. Q2 2024
Total value
$6.31B
−$23.0M (−0.4%) vs. Q2 2024
New holders
53
131 more added
Sold out
52
107 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 holdersQ3 2024: 354 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 heldQ3 2024: $6.31B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q2 2024.

Institutions holding IONS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
AdvisorNet Financial, Inc1$400.00%+1New
MV Capital Management, Inc.2$810.00%+2New
Principal Securities, Inc.4$1600.00%−9−69.2%Reduced
Private Wealth Management Group, LLC10$4010.00%00.0%Unchanged
Voisard Asset Management Group, Inc.10$4010.00%+10New
Larson Financial Group LLC18$7210.00%00.0%Unchanged
Key Financial Inc19$7610.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.20$8010.00%00.0%Unchanged
Front Row Advisors LLC20$8010.00%00.0%Unchanged
Rosenberg Matthew Hamilton20$8010.00%00.0%Unchanged
TFC Financial Management21$8420.00%00.0%Unchanged
CoreCap Advisors, LLC26$1.04K0.00%+26New
Raffa Wealth Management, LLC28$1.12K0.00%00.0%Unchanged
Sandy Spring Bank34$1.36K0.00%00.0%Unchanged
Private Trust Co NA48$1.92K0.00%−35−42.2%Reduced
Clear Investment Research, LLC51$2.04K0.00%+51New
Blume Capital Management, Inc.55$2.20K0.00%00.0%Unchanged
Versant Capital Management, Inc63$2.52K0.00%+8+14.5%Added
Leonteq Securities AG63$2.52K0.00%+63New
Bogart Wealth, LLC71$2.84K0.00%−14−16.5%Reduced
Bell Investment Advisors, Inc71$2.85K0.00%00.0%Unchanged
Raleigh Capital Management Inc.72$2.88K0.00%00.0%Unchanged
Quent Capital, LLC74$2.96K0.00%00.0%Unchanged
Semmax Financial Advisors Inc.79$2.98K0.00%00.0%Unchanged
Dynamic Wealth Strategies, LLC80$3.00K0.00%00.0%Unchanged
Hemington Wealth Management84$3.00K0.00%+84New
Washington Trust Advisors, Inc.83$3.34K0.00%−28−25.2%Reduced
Skopos Labs, Inc.84$3.37K0.00%+84New
Bryn Mawr Trust Co92$3.69K0.00%+92New
Sachetta, LLC98$3.93K0.00%00.0%Unchanged
Creekmur Asset Management LLC100$4.01K0.00%00.0%Unchanged
Global Retirement Partners, LLC101$4.05K0.00%+3+3.1%Added
Massmutual Trust Co FSB103$4.13K0.00%+45+77.6%Added
SRS Capital Advisors, Inc.104$4.17K0.00%00.0%Unchanged
Wolff Wiese Magana LLC110$4.41K0.00%+110New
First Horizon Advisors, Inc.112$4.49K0.00%+112New
GPS Wealth Strategies Group, LLC119$4.77K0.00%00.0%Unchanged
Spire Wealth Management125$5.01K0.00%00.0%Unchanged
LRI Investments, LLC136$5.06K0.00%−51−27.3%Reduced
Dunhill Financial, LLC130$5.21K0.00%00.0%Unchanged
Abich Financial Wealth Management LLC131$5.25K0.01%+86+191.1%Added
Pacifica Partners Inc.150$6.01K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc157$6.29K0.00%−61−28.0%Reduced
Exchange Traded Concepts, LLC195$7.81K0.00%+195New
AllSquare Wealth Management LLC198$7.93K0.00%00.0%Unchanged
Whittier Trust Co214$8.57K0.00%00.0%Unchanged
Global X Japan Co., Ltd.235$9.41K0.00%−27−10.3%Reduced
Allspring Global Investments Holdings, LLC237$9.49K0.00%+71+42.8%Added
EverSource Wealth Advisors, LLC238$9.53K0.00%00.0%Unchanged
Covestor Ltd250$10.0K0.01%+7+2.9%Added
Riggs Asset Managment Co. Inc.250$10.0K0.00%00.0%Unchanged
Claris Advisors, LLC250$10.0K0.00%+250New
Storebrand Asset Management AS271$10.9K0.00%00.0%Unchanged
Parkside Financial Bank & Trust290$11.6K0.00%+91+45.7%Added
Huntington National Bank324$13.0K0.00%+2+0.6%Added
Ronald Blue Trust, Inc.286$13.6K0.00%+179+167.3%Added
Lindbrook Capital, LLC365$14.6K0.00%−24−6.2%Reduced
Signaturefd, LLC365$14.6K0.00%+25+7.4%Added
AlphaMark Advisors, LLC369$15.0K0.01%−201−35.3%Reduced
ORG Wealth Partners, LLC400$16.0K0.01%+400New
Smartleaf Asset Management LLC427$17.4K0.00%+368+623.7%Added
Elequin Capital LP437$17.5K0.00%+437New
Global Trust Asset Management, LLC474$19.0K0.01%00.0%Unchanged
Riverview Trust Co487$19.5K0.02%+11+2.3%Added
Mather Group, LLC.516$20.7K0.00%−395−43.4%Reduced
Daiwa Securities Group Inc.541$22.0K0.00%00.0%Unchanged
Laurel Wealth Advisors LLC600$24.0K0.00%00.0%Unchanged
Archer Investment Corp600$24.0K0.01%00.0%Unchanged
Farther Finance Advisors, LLC621$24.9K0.00%+58+10.3%Added
GAMMA Investing LLC664$26.6K0.00%+303+83.9%Added
ADAR1 Capital Management, LLC700$28.0K0.00%−800−53.3%Reduced
Allworth Financial LP830$33.3K0.00%+21+2.6%Added
Manchester Capital Management LLC845$33.9K0.00%+150+21.6%Added
Quadrant Capital Group LLC870$34.9K0.00%+10+1.2%Added
Harbour Investments, Inc.900$36.1K0.00%00.0%Unchanged
Capital Performance Advisors LLP1,000$40.1K0.01%+1,000New
Sunbelt Securities, Inc.1,014$40.6K0.00%00.0%Unchanged
Parallel Advisors, LLC1,028$41.2K0.00%+396+62.7%Added
Reuter James Wealth Management, LLC1,049$42.0K0.01%+1,049New
Itau Unibanco Holding S.A.1,081$43.3K0.00%+314+40.9%Added
Horizon Investments, LLC1,101$44.1K0.00%−393−26.3%Reduced
IFP Advisors, Inc1,226$49.1K0.00%+156+14.6%Added
Quantbot Technologies LP1,267$50.8K0.00%+1,267New
Twin Lakes Capital Management, LLC1,500$60.1K0.04%00.0%Unchanged
CWM, LLC1,741$70.0K0.00%−476−21.5%Reduced
GWM Advisors LLC1,820$72.9K0.00%−330−15.3%Reduced
Steward Partners Investment Advisory, LLC2,055$82.3K0.00%+1,426+226.7%Added
Danske Bank A/S2,100$84.1K0.00%+1,700+425.0%Added
CIBC Private Wealth Group, LLC2,425$97.1K0.00%+300+14.1%Added
Quest Partners LLC2,674$107.1K0.01%+1,301+94.8%Added
Corebridge Financial, Inc.2,876$115.2K0.00%+115+4.2%Added
Sterling Capital Management LLC3,045$122.0K0.00%+3,045New
Ci Investments Inc.3,380$135.0K0.00%−272−7.4%Reduced
Walleye Trading LLC3,613$144.7K0.00%+3,613New
KBC Group NV3,808$153.0K0.00%+419+12.4%Added
Tower Research Capital LLC (TRC)4,301$172.3K0.00%−45,685−91.4%Reduced
Sandia Investment Management LP5,000$200.3K0.32%+5,000New
Torno Capital, LLC5,000$200.3K0.26%+5,000New
GTS Securities LLC5,056$202.5K0.00%−55,874−91.7%Reduced
FORA Capital, LLC5,081$203.5K0.02%+5,081New