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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, Q1 2023

Institutional positions in Ionis Pharmaceuticals Inc as of Mar 31, 2023. 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
315
−18 vs. Q4 2022
Shares held
131.1M
+517.1K (+0.4%) vs. Q4 2022
Total value
$4.69B
−$238.7M (−4.8%) vs. Q4 2022
New holders
34
87 more added
Sold out
52
128 more reduced

6 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 315 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 heldQ1 2023: $4.69B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q4 2022.

Institutions holding IONS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Valley National Advisers Inc11$00.00%00.0%Unchanged
Retirement Group, LLC11$00.00%00.0%Unchanged
Private Trust Co NA3$1070.00%−36−92.3%Reduced
GWM Advisors LLC8$2860.00%−1,309−99.4%Reduced
Cape Investment Advisory, Inc.13$4650.00%+13New
Focused Wealth Management, Inc16$5720.00%00.0%Unchanged
Key Financial Inc19$6790.00%00.0%Unchanged
Rosenberg Matthew Hamilton20$7150.00%00.0%Unchanged
Central Bank & Trust Co28$1.00K0.00%+28New
Front Row Advisors LLC20$1.00K0.00%+20New
Raffa Wealth Management, LLC28$1.00K0.00%00.0%Unchanged
Kelly Financial Services LLC30$1.07K0.00%00.0%Unchanged
CVA Family Office, LLC30$1.07K0.00%+30New
TCI Wealth Advisors, Inc.35$1.25K0.00%00.0%Unchanged
Massmutual Trust Co FSB36$1.29K0.00%00.0%Unchanged
Orion Capital Management LLC38$1.36K0.00%00.0%Unchanged
Jackson, Grant Investment Advisers, Inc.40$1.43K0.00%+40New
Earnest Partners LLC49$1.75K0.00%00.0%Unchanged
Leonteq Securities AG55$1.97K0.00%−468−89.5%Reduced
Blume Capital Management, Inc.55$1.97K0.00%00.0%Unchanged
Centerpoint Advisors, LLC68$2.00K0.00%00.0%Unchanged
Bessemer Group Inc52$2.00K0.00%+27+108.0%Added
Global Retirement Partners, LLC58$2.01K0.00%+7+13.7%Added
Johnson Midwest Financial, LLC59$2.11K0.00%00.0%Unchanged
Versant Capital Management, Inc62$2.21K0.00%−16−20.5%Reduced
Parkside Financial Bank & Trust62$2.22K0.00%00.0%Unchanged
Abound Wealth Management67$2.40K0.00%+67New
Raleigh Capital Management Inc.72$2.57K0.00%−72−50.0%Reduced
Baker Avenue Asset Management, LP77$2.75K0.00%00.0%Unchanged
Colonial Trust Co82$2.86K0.00%00.0%Unchanged
Bogart Wealth, LLC85$3.04K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.89$3.18K0.00%+74+493.3%Added
Huntington National Bank97$3.47K0.00%+96+9,600.0%Added
Umb Bank N A101$3.61K0.00%00.0%Unchanged
Bell Investment Advisors, Inc102$3.65K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC119$4.25K0.00%+119New
Salem Investment Counselors Inc123$4.40K0.00%+123New
Loomis Sayles & Co L P146$5.00K0.00%−198−57.6%Reduced
Pacifica Partners Inc.150$5.57K0.00%00.0%Unchanged
Farther Finance Advisors, LLC156$5.58K0.00%−3−1.9%Reduced
Carolinas Wealth Consulting LLC161$5.75K0.00%−26−13.9%Reduced
Clearstead Advisors, LLC185$6.61K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC191$6.83K0.00%+191New
AllSquare Wealth Management LLC198$7.08K0.00%00.0%Unchanged
Spire Wealth Management210$7.50K0.00%+85+68.0%Added
Signaturefd, LLC222$7.93K0.00%−9−3.9%Reduced
Lindbrook Capital, LLC240$8.58K0.00%+125+108.7%Added
Covestor Ltd248$9.00K0.01%+2+0.8%Added
Steward Partners Investment Advisory, LLC324$11.6K0.00%+11+3.5%Added
Banque Cantonale Vaudoise400$14.0K0.00%−879−68.7%Reduced
Global Trust Asset Management, LLC399$14.3K0.01%00.0%Unchanged
Geneos Wealth Management Inc.400$14.3K0.00%00.0%Unchanged
Advent Capital Management464$16.6K0.00%00.0%Unchanged
Riverview Trust Co476$17.0K0.02%00.0%Unchanged
Fred Alger Management, LLC499$17.8K0.00%−189,854−99.7%Reduced
Riggs Asset Managment Co. Inc.500$17.9K0.01%00.0%Unchanged
Strategic Investment Solutions, Inc.500$17.9K0.00%+500New
AlphaMark Advisors, LLC500$18.0K0.01%−50−9.1%Reduced
Advisory Services Network, LLC519$18.5K0.00%−97−15.7%Reduced
Belpointe Asset Management LLC548$19.6K0.00%−60−9.9%Reduced
Daiwa Securities Group Inc.571$20.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC590$21.1K0.00%+343+138.9%Added
Laurel Wealth Advisors LLC600$21.4K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.660$23.6K0.00%00.0%Unchanged
Parallel Advisors, LLC671$24.0K0.00%00.0%Unchanged
Institutional & Family Asset Management, LLC736$26.3K0.00%−38−4.9%Reduced
Glassman Wealth Services737$26.3K0.00%+4+0.5%Added
Allworth Financial LP793$28.3K0.00%−4−0.5%Reduced
Archer Investment Corp850$30.4K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.849$32.0K0.00%00.0%Unchanged
Harbour Investments, Inc.900$32.2K0.00%−310−25.6%Reduced
Whittier Trust Co of Nevada Inc934$33.4K0.00%+593+173.9%Added
Simplex Trading, LLC1,019$36.0K0.00%−3,351−76.7%Reduced
United Community Bank1,131$40.4K0.04%00.0%Unchanged
Ci Investments Inc.1,203$43.0K0.00%+1,001+495.5%Added
Kistler-Tiffany Companies, LLC1,281$45.8K0.01%00.0%Unchanged
New England Capital Financial Advisors LLC1,300$46.5K0.03%00.0%Unchanged
Horizon Investments, LLC1,339$47.9K0.00%+1,339New
KBC Group NV1,378$49.0K0.00%00.0%Unchanged
Twin Lakes Capital Management, LLC1,500$53.6K0.04%00.0%Unchanged
First Manhattan Co1,550$55.4K0.00%−425−21.5%Reduced
Values First Advisors, Inc.1,594$57.0K0.04%+1,594New
Itau Unibanco Holding S.A.1,842$65.8K0.00%−6−0.3%Reduced
CWM, LLC1,922$69.0K0.00%+85+4.6%Added
China Universal Asset Management Co., Ltd.1,937$69.2K0.02%+494+34.2%Added
American International Group, Inc.2,046$73.1K0.00%−60−2.8%Reduced
Walleye Capital LLC2,240$80.1K0.00%−23,814−91.4%Reduced
IFP Advisors, Inc1,969$91.8K0.00%−2,869−59.3%Reduced
Fifth Third Bancorp3,000$107.2K0.00%+500+20.0%Added
Acadian Asset Management LLC3,073$109.0K0.00%+3,073New
Icon Wealth Partners, LLC3,073$109.8K0.01%+3,073New
Kapitalo Investimentos Ltda3,381$120.8K0.04%+3,381New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.4,726$168.9K0.00%+457+10.7%Added
Beaird Harris Wealth Management, LLC5,000$178.7K0.03%−62−1.2%Reduced
Amundi5,368$196.4K0.00%+1,775+49.4%Added
Perkins Capital Management Inc5,650$202.0K0.19%−750−11.7%Reduced
JustInvest LLC5,866$209.7K0.01%−293−4.8%Reduced
First Republic Investment Management, Inc.5,896$210.7K0.00%−313−5.0%Reduced
National Asset Management, Inc.6,004$214.6K0.01%−2,732−31.3%Reduced
Lazard Asset Management LLC6,188$220.0K0.00%+2,465+66.2%Added