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Ionis Pharmaceuticals (IONS) Ownership Overview
0.77% Insiders
42.84% Mutual Funds
36.37% Other Institutional Investors
15.84% ETFs
4.18% Public Companies and
Individual Investors
The ownership structure of Ionis Pharmaceuticals (IONS) stock is a mix of institutional, retail, and individual investors. Approximately 95.05% of the company’s stock is owned by Institutional Investors, 0.77% is owned by Insiders, and 4.18% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
Jul 31, 2026 | xxxxxxxxxxxxx | $1058700 | |
Feb 04, 2026 | xxxxxxxxxxxxx | $7055489 | |
Feb 02, 2026 | xxxxxxxxxxxxx | $512424 | |
Feb 02, 2026 | xxxxxxxxxxxxx | $515576 |
Recent Hedge Fund Trading Activity
Date | Firm | Activity | Value |
|---|---|---|---|
Mar 31, 2026 | xxxxxxxxxxxxx | $170876681 | |
Mar 31, 2026 | xxxxxxxxxxxxx | $222492 | |
Mar 31, 2026 | xxxxxxxxxxxxx | $153763820 | |
Mar 31, 2026 | xxxxxxxxxxxxx | $21679684 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 13,413,136 | Institution | 8.07% | 815,518,669 | |
| 12,523,415 | Institution | 7.54% | 761,423,632 | |
| 12,447,188 | Institution | 7.49% | 756,789,030 | |
| 7,668,655 | Institution | 4.61% | 466,254,224 | |
| 5,080,421 | Institution | 3.06% | 308,889,597 | |
| 4,723,802 | Institution | 2.84% | 287,207,162 | |
| 4,458,145 | Institution | 2.68% | 271,055,216 | |
| 3,803,181 | Institution | 2.29% | 231,233,405 | |
| 2,810,244 | Institution | 1.69% | 170,862,835 | |
| 2,760,687 | Institution | 1.66% | 167,849,770 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 12,523,415 | Institution | 7.54% | 761,423,632 | |
| 12,447,188 | Institution | 7.49% | 756,789,030 | |
| 7,668,655 | Institution | 4.61% | 466,254,224 | |
| 4,723,802 | Institution | 2.84% | 287,207,162 | |
| 4,458,145 | Institution | 2.68% | 271,055,216 | |
| 3,803,181 | Institution | 2.29% | 231,233,405 | |
| 2,810,244 | Institution | 1.69% | 170,862,835 | |
| 2,760,687 | Institution | 1.66% | 167,849,770 | |
| 1,963,162 | Institution | 1.18% | 119,360,250 | |
| 1,655,237 | Institution | 1.00% | 100,638,410 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 5,005,976 | Institution | 3.01% | 259,159,378 | |
| 3,600,281 | Institution | 2.17% | 285,466,280 | |
| 2,088,422 | Institution | 1.26% | 108,117,607 | |
| 1,902,385 | Institution | 1.14% | 98,486,471 | |
| 1,390,553 | Institution | 0.84% | 82,904,770 | |
| 1,315,049 | Institution | 0.79% | 78,403,221 | |
| 1,203,228 | Institution | 0.72% | 73,156,262 | |
| 893,578 | Institution | 0.54% | 54,329,542 | |
| 786,641 | Institution | 0.47% | 46,899,536 | |
| 670,558 | Institution | 0.40% | 40,769,926 |
FAQ
Who Owns Ionis Pharmaceuticals Inc. (IONS)?
According to the latest TipRanks data, approximately 36.37% of the company's stock is held by institutional investors, 0.77% is held by insiders, and 4.18% is held by retail investors.
What percentage of Ionis Pharmaceuticals Inc. (IONS) stock is held by institutional investors?
According to the latest TipRanks data, approximately 36.37% of Ionis Pharmaceuticals Inc. (IONS) stock is held by institutional investors.
What percentage of Ionis Pharmaceuticals Inc. (IONS) stock is held by retail investors?
According to the latest TipRanks data, approximately 4.18% of Ionis Pharmaceuticals Inc. (IONS) stock is held by retail investors.
Who owns the most shares of Ionis Pharmaceuticals Inc. (IONS)?
Vanguard owns the most shares of Ionis Pharmaceuticals Inc. (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.