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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 2024

Institutional positions in Ionis Pharmaceuticals Inc as of Jun 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
357
−1 vs. Q1 2024
Shares held
143.3M
+1.29M (+0.9%) vs. Q1 2024
Total value
$6.83B
+$666.0M (+10.8%) vs. Q1 2024
New holders
52
120 more added
Sold out
53
132 more reduced

3 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 357 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 2024: $6.83B
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 2024

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q1 2024.

Institutions holding IONS in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Private Wealth Management Group, LLC10$4770.00%00.0%Unchanged
Principal Securities, Inc.13$6200.00%+13New
Larson Financial Group LLC18$8580.00%+18New
Key Financial Inc19$9060.00%00.0%Unchanged
Rosenberg Matthew Hamilton20$9420.00%00.0%Unchanged
Front Row Advisors LLC20$9530.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.20$9530.00%+20New
TFC Financial Management21$1.00K0.00%+21New
Proequities, Inc.26$1.24K0.00%+7+36.8%Added
Raffa Wealth Management, LLC28$1.33K0.00%00.0%Unchanged
Kelly Financial Services LLC30$1.43K0.00%00.0%Unchanged
Sandy Spring Bank34$1.62K0.00%00.0%Unchanged
Bessemer Group Inc52$2.00K0.00%00.0%Unchanged
Great Lakes Retirement, Inc.43$2.05K0.00%+43New
Abich Financial Wealth Management LLC45$2.15K0.00%+41+1,025.0%Added
Healthcare of Ontario Pension Plan Trust Fund46$2.19K0.00%+46New
Innealta Capital, LLC47$2.24K0.00%+47New
Versant Capital Management, Inc55$2.62K0.00%−4−6.8%Reduced
Blume Capital Management, Inc.55$2.62K0.00%00.0%Unchanged
Massmutual Trust Co FSB58$2.76K0.00%−9−13.4%Reduced
Smartleaf Asset Management LLC59$2.79K0.00%+33+126.9%Added
Bell Investment Advisors, Inc71$3.38K0.00%00.0%Unchanged
Raleigh Capital Management Inc.72$3.43K0.00%00.0%Unchanged
SYSTM Wealth Solutions LLC73$3.48K0.00%−131−64.2%Reduced
Quent Capital, LLC74$3.53K0.00%+19+34.5%Added
Semmax Financial Advisors Inc.79$3.71K0.00%00.0%Unchanged
National Bank of Canada80$3.75K0.00%00.0%Unchanged
Orion Capital Management LLC80$3.81K0.00%00.0%Unchanged
Private Trust Co NA83$3.96K0.00%−295−78.0%Reduced
Dynamic Wealth Strategies, LLC80$4.00K0.00%00.0%Unchanged
Bogart Wealth, LLC85$4.05K0.00%00.0%Unchanged
Family Firm, Inc.91$4.34K0.00%+91New
Ronald Blue Trust, Inc.107$4.64K0.00%+107New
Global Retirement Partners, LLC98$4.67K0.00%+4+4.3%Added
Creekmur Asset Management LLC100$4.77K0.00%00.0%Unchanged
Sachetta, LLC98$4.88K0.00%−17−14.8%Reduced
SRS Capital Advisors, Inc.104$4.96K0.00%+79+316.0%Added
Washington Trust Advisors, Inc.111$5.29K0.00%−147−57.0%Reduced
GPS Wealth Strategies Group, LLC119$5.67K0.00%−65−35.3%Reduced
Spire Wealth Management125$5.96K0.00%00.0%Unchanged
Unique Wealth Strategies, LLC140$6.07K0.00%+140New
Dunhill Financial, LLC130$6.20K0.00%+130New
Pacifica Partners Inc.150$6.84K0.00%00.0%Unchanged
Ashton Thomas Private Wealth, LLC150$7.15K0.00%+150New
Natixis163$7.77K0.00%−1,798−91.7%Reduced
Allspring Global Investments Holdings, LLC166$7.91K0.00%+150+937.5%Added
LRI Investments, LLC187$8.91K0.00%+187New
AllSquare Wealth Management LLC198$9.44K0.01%00.0%Unchanged
Parkside Financial Bank & Trust199$9.48K0.00%+137+221.0%Added
Whittier Trust Co214$10.2K0.00%−17−7.4%Reduced
Whittier Trust Co of Nevada Inc218$10.4K0.00%−123−36.1%Reduced
EverSource Wealth Advisors, LLC238$11.8K0.00%+1+0.4%Added
Riggs Asset Managment Co. Inc.250$11.9K0.00%−32−11.3%Reduced
Covestor Ltd243$12.0K0.01%+1+0.4%Added
Global X Japan Co., Ltd.262$12.5K0.00%−407−60.8%Reduced
Storebrand Asset Management AS271$12.9K0.00%00.0%Unchanged
Huntington National Bank322$15.3K0.00%−41−11.3%Reduced
Signaturefd, LLC340$16.2K0.00%−15−4.2%Reduced
Institutional & Family Asset Management, LLC361$17.2K0.00%−330−47.8%Reduced
GAMMA Investing LLC361$17.2K0.00%−251−41.0%Reduced
Lindbrook Capital, LLC389$18.5K0.00%+75+23.9%Added
ORG Partners LLC400$18.8K0.00%+400New
Banque Cantonale Vaudoise400$19.0K0.00%00.0%Unchanged
Danske Bank A/S400$19.1K0.00%+400New
Global Trust Asset Management, LLC474$22.6K0.01%00.0%Unchanged
Riverview Trust Co476$22.7K0.02%00.0%Unchanged
Pingora Partners LLC500$23.8K0.02%00.0%Unchanged
Daiwa Securities Group Inc.541$26.0K0.00%00.0%Unchanged
Farther Finance Advisors, LLC563$26.5K0.00%−6−1.1%Reduced
AlphaMark Advisors, LLC570$27.0K0.01%+170+42.5%Added
Archer Investment Corp600$28.6K0.01%−250−29.4%Reduced
Laurel Wealth Advisors LLC600$28.6K0.01%00.0%Unchanged
nVerses Capital, LLC600$28.6K0.02%+600New
Steward Partners Investment Advisory, LLC629$30.0K0.00%−94−13.0%Reduced
Parallel Advisors, LLC632$30.1K0.00%+60+10.5%Added
Manchester Capital Management LLC695$33.1K0.00%+690+13,800.0%Added
Itau Unibanco Holding S.A.767$36.6K0.00%+767New
Allworth Financial LP809$38.7K0.00%+13+1.6%Added
Mather Group, LLC.911$39.5K0.00%+240+35.8%Added
Quadrant Capital Group LLC860$41.0K0.00%+286+49.8%Added
Harbour Investments, Inc.900$42.9K0.00%00.0%Unchanged
Pacer Advisors, Inc.960$45.8K0.00%−11−1.1%Reduced
Sunbelt Securities, Inc.1,014$48.3K0.00%00.0%Unchanged
IFP Advisors, Inc1,070$51.0K0.00%00.0%Unchanged
Quest Partners LLC1,373$65.4K0.01%−924−40.2%Reduced
Horizon Investments, LLC1,494$71.2K0.00%−853−36.3%Reduced
ADAR1 Capital Management, LLC1,500$71.5K0.01%−1,400−48.3%Reduced
Twin Lakes Capital Management, LLC1,500$71.5K0.05%00.0%Unchanged
CIBC Private Wealth Group, LLC2,125$100.4K0.00%−43−2.0%Reduced
GWM Advisors LLC2,150$102.5K0.00%+125+6.2%Added
CWM, LLC2,217$106.0K0.00%−11−0.5%Reduced
Redwood Wealth Management Group, LLC2,408$114.8K0.09%+2,408New
Corebridge Financial, Inc.2,761$131.6K0.00%+2,761New
KBC Group NV3,389$162.0K0.00%+244+7.8%Added
Jones Financial Companies LLLP3,401$162.1K0.00%+3,401New
Ci Investments Inc.3,652$174.0K0.00%−315−7.9%Reduced
Checchi Capital Advisers, LLC4,234$201.8K0.02%+4,234New
Mirae Asset Global Investments Co., Ltd.4,358$205.8K0.00%−10,723−71.1%Reduced
Prospera Financial Services Inc4,451$212.1K0.01%−166−3.6%Reduced
Wealth Enhancement Advisory Services, LLC4,508$214.9K0.00%+4,508New