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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, Q3 2022

Institutional positions in Ionis Pharmaceuticals Inc as of Sep 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
350
−1 vs. Q2 2022
Shares held
126.4M
+1.80M (+1.4%) vs. Q2 2022
Total value
$5.59B
+$976.9M (+21.2%) vs. Q2 2022
New holders
50
97 more added
Sold out
51
130 more reduced

Compare with Q2 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 holdersQ3 2022: 350 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 2022: $5.59B
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 2022

Shares, value and share of portfolio for each institution holding Ionis Pharmaceuticals Inc; share changes are against Q2 2022.

Institutions holding IONS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Cornercap Investment Counsel Inc4,703$208.0K0.04%+4,703New
Mitchell & Pahl Private Wealth, LLC4,866$215.0K0.16%+4,866New
Ieq Capital, LLC4,983$220.0K0.01%+4,983New
Beaird Harris Wealth Management, LLC5,000$221.0K0.05%+5,000New
Archford Capital Strategies, LLC5,042$223.0K0.06%+5,042New
Buckingham Strategic Wealth, LLC5,092$225.0K0.00%+5,092New
Prospera Financial Services Inc5,095$226.0K0.01%−26,189−83.7%Reduced
Prudential Financial Inc5,098$226.0K0.00%+5,098New
JustInvest LLC5,209$230.0K0.01%−874−14.4%Reduced
M&T Bank Corp5,168$230.0K0.00%−333−6.1%Reduced
CIBC Asset Management Inc5,203$230.0K0.00%+5,203New
Seven Eight Capital, LP5,290$234.0K0.05%−167−3.1%Reduced
Prelude Capital Management, LLC5,341$236.0K0.01%−2,087−28.1%Reduced
Regions Financial Corp5,346$236.0K0.00%+5,346New
Duality Advisers, LP5,792$256.0K0.03%+5,792New
NewEdge Wealth, LLC5,854$259.0K0.01%−1,461−20.0%Reduced
Echo Street Capital Management LLC6,193$274.0K0.00%+6,193New
IFP Advisors, Inc5,789$279.0K0.01%00.0%Unchanged
Perkins Capital Management Inc6,400$283.0K0.32%+6,400New
ExodusPoint Capital Management, LP6,417$284.0K0.00%−31,173−82.9%Reduced
Truist Financial Corp6,420$284.0K0.00%−15,944−71.3%Reduced
Engineers Gate Manager LP6,493$287.0K0.02%−10,210−61.1%Reduced
First Republic Investment Management, Inc.6,670$295.0K0.00%+654+10.9%Added
Baird Financial Group, Inc.6,772$300.0K0.00%−125−1.8%Reduced
Stonegate Investment Group, LLC6,807$301.0K0.01%−248−3.5%Reduced
Quantamental Technologies LLC6,899$305.0K0.12%+6,899New
Virtus ETF Advisers LLC7,029$311.0K0.12%+104+1.5%Added
Allspring Global Investments Holdings, LLC7,045$311.0K0.00%+1,526+27.6%Added
Tanaka Capital Management Inc7,112$315.0K0.94%00.0%Unchanged
Mariner, LLC7,141$316.0K0.00%+7,141New
Northwestern Mutual Wealth Management Co7,247$320.0K0.00%+268+3.8%Added
National Asset Management, Inc.7,332$325.0K0.01%−1,070−12.7%Reduced
Commerce Bank7,431$329.0K0.00%00.0%Unchanged
Utah Retirement Systems7,500$332.0K0.01%+100+1.4%Added
AQR Capital Management LLC7,710$341.0K0.00%+7,710New
Northeast Financial Consultants Inc7,740$342.0K0.03%00.0%Unchanged
Horizon Kinetics Asset Management LLC8,000$354.0K0.01%00.0%Unchanged
Quantbot Technologies LP8,106$358.0K0.03%+6,906+575.5%Added
MetLife Investment Management8,287$366.5K0.00%00.0%Unchanged
Independent Financial Group, LLC8,325$368.2K0.03%+200+2.5%Added
Brandywine Managers, LLC8,460$374.0K1.23%00.0%Unchanged
Nicollet Investment Management, Inc.8,508$376.0K0.21%+66+0.8%Added
Two Sigma Securities, LLC8,670$383.0K0.05%+2,097+31.9%Added
Wrapmanager Inc8,833$391.0K0.13%−718−7.5%Reduced
HighTower Advisors, LLC8,865$393.0K0.00%−623−6.6%Reduced
Stephens Inc9,125$404.0K0.01%−2,519−21.6%Reduced
Corton Capital Inc.9,423$417.0K0.51%+1,025+12.2%Added
Delphia (USA) Inc.9,597$424.0K0.48%+286+3.1%Added
Martingale Asset Management L P9,713$431.0K0.01%+2,308+31.2%Added
The PNC Financial Services Group, Inc.9,829$435.0K0.00%−153−1.5%Reduced
Waddell & Associates, LLC10,042$444.0K0.09%00.0%Unchanged
American Century Companies Inc10,079$446.0K0.00%+2,724+37.0%Added
E Fund Management Co., Ltd.10,170$450.0K0.04%−2,427−19.3%Reduced
Teza Capital Management LLC10,248$453.0K0.09%−1,977−16.2%Reduced
Brown Advisory Inc10,630$470.0K0.00%+1,000+10.4%Added
Occudo Quantitative Strategies LP10,766$476.0K0.04%−50,905−82.5%Reduced
Oppenheimer Asset Management Inc.10,834$479.0K0.01%−69−0.6%Reduced
Cambridge Investment Research Advisors, Inc.10,922$483.0K0.00%−200−1.8%Reduced
Hanseatic Management Services Inc10,993$486.0K1.31%−229−2.0%Reduced
Neuberger Berman Group LLC11,199$495.0K0.00%+113+1.0%Added
Franklin Resources Inc11,251$497.0K0.00%+11,251New
Shell Asset Management Co11,265$498.0K0.02%−2,951−20.8%Reduced
Plancorp, LLC11,255$498.0K0.03%+20+0.2%Added
Vontobel Holding Ltd.11,282$499.0K0.01%−2,928−20.6%Reduced
Advisor Group Holdings, Inc.11,535$510.0K0.00%−5,889−33.8%Reduced
Comerica Bank11,539$516.0K0.00%−145−1.2%Reduced
Qube Research & Technologies Ltd11,697$517.0K0.00%+11,697New
Tower Research Capital LLC (TRC)11,755$520.0K0.01%+10,325+722.0%Added
Arden Trust Co11,916$527.0K0.13%−276−2.3%Reduced
SG Americas Securities, LLC12,698$562.0K0.01%−59,859−82.5%Reduced
Strategic Wealth Advisors Group, LLC12,729$563.0K0.02%+639+5.3%Added
Lincoln National Corp12,830$567.0K0.01%−431−3.3%Reduced
Storebrand Asset Management AS13,062$577.7K0.00%−9,400−41.8%Reduced
North Star Asset Management Inc13,680$605.0K0.04%00.0%Unchanged
Creative Planning13,892$614.0K0.00%+1,163+9.1%Added
ProShare Advisors LLC14,198$628.0K0.00%+831+6.2%Added
AlphaCrest Capital Management LLC14,770$653.0K0.04%−21,677−59.5%Reduced
Blair William & Co14,844$657.0K0.00%+237+1.6%Added
Profund Advisors LLC15,477$685.0K0.05%−726−4.5%Reduced
Xponance, Inc.15,540$687.0K0.01%+122+0.8%Added
Victory Capital Management Inc15,795$699.0K0.00%+2,249+16.6%Added
Natixis Advisors, L.P.15,818$700.0K0.00%−12−0.1%Reduced
US Bancorp16,198$717.0K0.00%−1,125−6.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)16,734$740.0K0.00%00.0%Unchanged
Great West Life Assurance Co17,135$757.0K0.00%+10,415+155.0%Added
Calamos Advisors LLC17,119$757.0K0.00%+17,119New
STRS Ohio17,308$765.0K0.00%+17,308New
AtonRa Partners17,628$780.0K0.77%−518−2.9%Reduced
Handelsbanken Fonder AB18,511$819.0K0.01%00.0%Unchanged
Millennium Management LLC18,929$837.0K0.00%−301,686−94.1%Reduced
SEI Investments Co19,129$845.0K0.00%+8,503+80.0%Added
Knowledge Leaders Capital, LLC19,360$856.0K1.09%−15,280−44.1%Reduced
Public Employees Retirement Association of Colorado19,604$867.0K0.00%00.0%Unchanged
Acadian Asset Management LLC20,390$898.0K0.00%+20,390New
Castle Rock Wealth Management, LLC19,885$906.0K0.46%+4,292+27.5%Added
Jane Street Group, LLC20,629$913.0K0.00%−70,260−77.3%Reduced
Ziegler Capital Management, LLC20,659$914.0K0.04%−120−0.6%Reduced
Skandinaviska Enskilda Banken AB (publ)20,878$923.0K0.01%00.0%Unchanged
Tudor Investment Corp Et Al21,109$934.0K0.02%−53,083−71.5%Reduced
Commonwealth Equity Services, LLC21,247$939.0K0.00%−2,517−10.6%Reduced