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Ionis Pharmaceuticals (IONS)
NASDAQ:IONS
US Market
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Ionis Pharmaceuticals (IONS) Ownership - Who Owns Ionis Pharmaceuticals?

1,588 Followers

Ionis Pharmaceuticals (IONS) Ownership Overview

0.75%43.08%0.28%15.33%40.56%
0.28% Other Institutional Investors
15.33% ETFs
40.56% Public Companies and
Individual Investors
The ownership structure of Ionis Pharmaceuticals (IONS) stock is a mix of institutional, retail, and individual investors. Approximately 58.69% of the company’s stock is owned by Institutional Investors, 0.75% is owned by Insiders, and 40.56% is owned by Public Companies and Individual Investors.
The ownership structure of Ionis Pharmaceuticals (IONS) stock is a mix of institutional, retail, and individual investors. Approximately 43.36% of the company’s stock is owned by Institutional Investors, 0.75% is owned by Insiders, and 15.33% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date
Name
Activity
Value
Feb 04, 2026
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$7055489
Feb 02, 2026
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$581681
Feb 02, 2026
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$512424
Feb 02, 2026
xxxxxxxxxxxxx
$488102

Recent Hedge Fund Trading Activity

Date
Firm
Activity
Value
Mar 31, 2024
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$170876681
Mar 31, 2024
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$21679684
Mar 31, 2024
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$222492
Mar 31, 2024
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$153763820

Top Shareholders

Holder
# of Shares
Type
% Holding
Value
13,313,977Institution8.06%775,539,160
12,523,415Institution7.58%729,488,924
12,447,188Institution7.53%725,048,701
7,668,655Institution4.64%446,699,154
4,732,511Institution2.86%275,668,766
4,723,802Institution2.86%275,161,467
4,458,145Institution2.70%259,686,946
3,803,181Institution2.30%221,535,293
2,810,244Institution1.70%163,696,713
2,760,687Institution1.67%160,810,018

Top Mutual Fund Holders

Holder
# of Shares
Type
% Holding
Value
12,523,415Institution7.58%729,488,924
12,447,188Institution7.53%725,048,701
7,668,655Institution4.64%446,699,154
4,723,802Institution2.86%275,161,467
4,458,145Institution2.70%259,686,946
3,803,181Institution2.30%221,535,293
2,810,244Institution1.70%163,696,713
2,760,687Institution1.67%160,810,018
1,963,162Institution1.19%114,354,187
1,655,237Institution1.00%96,417,555

Top ETF Holders

Holder
# of Shares
Type
% Holding
Value
4,999,855Institution3.03%382,488,908
3,611,001Institution2.19%276,241,577
2,033,425Institution1.23%155,557,013
1,831,511Institution1.11%140,110,592
1,354,505Institution0.82%114,401,492
1,190,919Institution0.72%76,540,364
1,170,114Institution0.71%68,159,141
912,549Institution0.55%53,155,979
783,376Institution0.47%50,347,576
676,992Institution0.41%39,434,784

FAQ

Who Owns Ionis Pharmaceuticals (IONS)?
According to the latest TipRanks data, approximately 0.28% of the company's stock is held by institutional investors, 0.75% is held by insiders, and 40.56% is held by retail investors.
    What percentage of Ionis Pharmaceuticals (IONS) stock is held by institutional investors?
    According to the latest TipRanks data, approximately 0.28% of Ionis Pharmaceuticals (IONS) stock is held by institutional investors.
      What percentage of Ionis Pharmaceuticals (IONS) stock is held by retail investors?
      According to the latest TipRanks data, approximately 40.56% of Ionis Pharmaceuticals (IONS) stock is held by retail investors.
        Who owns the most shares of Ionis Pharmaceuticals (IONS)?
        Vanguard owns the most shares of Ionis Pharmaceuticals (IONS).
          What is the significance of the ownership structure for a publicly traded company?
          The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.