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NASDAQ: IONS
Ionis Pharmaceuticals Inc Stock Ownership - Who owns Ionis Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Ionis Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
B. Lynne ParshallDirector2025-08-064,600$41.87
$192.59kSell
B. Lynne ParshallDirector2025-08-06400$42.63
$17.05kSell
Richard S. GearyEVP Chief Development Officer2025-08-0510,000$42.86
$428.59kSell
Eugene SchneiderEVP Chf Clinical Develop Ofcr2025-08-049,549$42.80
$408.70kSell
Brett P. MoniaChief Executive Officer2025-07-302,432$32.60
$79.28kBuy
Brett P. MoniaChief Executive Officer2025-07-302,432$45.00
$109.44kSell
Brett P. MoniaChief Executive Officer2025-07-111,160$41.74
$48.42kSell
Michael R. HaydenDirector2025-05-0115,000$31.86
$477.90kBuy
Kyle JenneEVP Chf GL Pdt Str Ofcr2025-04-163,016$28.36
$85.53kSell
Joseph BaroldiEVP Chief Business Officer2025-04-163,928$28.40
$111.56kSell

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Net Insider Buy/Sell (L12M) Ownership

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IONS Shareholders

What type of owners hold Ionis Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Vanguard Group Inc10.49%16,714,846$720.41MInstitution
Capital World Investors7.87%12,540,188$540.48MInstitution
Blackrock Inc6.84%10,896,937$469.66MInstitution
Tweedy Browne Co LLC 11.81%2,891,948$124.64MInstitution
Geode Capital Management LLC1.81%2,891,095$124.61MInstitution
Lilly Co Eli1.57%2,500,000$107.75MInsider
Charles Schwab Investment Management Inc0.93%1,487,818$64.12MInstitution
Bnp Paribas Asset Management Holding Sa0.85%1,350,879$58.22MInstitution
Stanley T. Crooke0.83%1,324,914$57.10MInsider
Groupama Asset Managment0.73%1,160,957$50.04MInstitution

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IONS vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
IONS96.72%3.28%Net SellingNet Selling
NNNN0.05%0.00%
LEGN23.45%0.00%
RVMD90.58%9.42%Net BuyingNet Buying
JAZZ28.19%71.81%Net SellingNet Selling
View Top Biotech Stocks

Ionis Pharmaceuticals Stock Ownership FAQ

Who owns Ionis Pharmaceuticals?

Ionis Pharmaceuticals (NASDAQ: IONS) is owned by 104.36% institutional shareholders, 3.54% Ionis Pharmaceuticals insiders, and 0.00% retail investors. Lilly Co Eli is the largest individual Ionis Pharmaceuticals shareholder, owning 2.50M shares representing 1.57% of the company. Lilly Co Eli's Ionis Pharmaceuticals shares are currently valued at $107.75M.

If you're new to stock investing, here's how to buy Ionis Pharmaceuticals stock.
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