IONS
Ionis Pharmaceuticals, Inc. Common Stock ·
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Market cap
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52-week range
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Ionis Pharmaceuticals, Inc. Common Stock (IONS) is held by 5 tracked hedge fund(s) and traded by 1 member(s) of Congress. Largest tracked holder: TWO SIGMA INVESTMENTS, LP.
| Fund | % of portfolio | Shares | Value | Latest activity | Avg buy price | Date |
|---|---|---|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP John Overdeck |
0.3% | 5.9M | $440M | ▲ 120% (+3.2M) | $66.00 | 2026-03-31 |
| BAKER BROS. ADVISORS LP BAKER BROS. ADVISORS LP |
0.9% | 2.0M | $154M | ▲ 14% (+256K) | $70.05 | 2026-03-31 |
| Deep Track Capital, LP Deep Track Capital, LP |
2.4% | 1.9M | $146M | ▲ 15% (+250K) | $39.85 | 2026-03-31 |
| GROUPAMA ASSET MANAGMENT GROUPAMA ASSET MANAGMENT |
0.9% | 825K | $62M | ▲ 7.5% (+58K) | $53.45 | 2026-03-31 |
| EVENTIDE ASSET MANAGEMENT, LLC EVENTIDE ASSET MANAGEMENT, LLC |
0.7% | 575K | $43M | — | $70.81 | 2026-03-31 |
FAQ ▾
Which hedge funds hold IONS?
Tracked holders include: TWO SIGMA INVESTMENTS, LP, BAKER BROS. ADVISORS LP, Deep Track Capital, LP, GROUPAMA ASSET MANAGMENT.
How much smart money owns IONS?
5 tracked hedge fund(s) and 1 member(s) of Congress have disclosed positions.
Are members of Congress trading IONS?
Yes — 1 member(s) have disclosed IONS trades. See the Congress tab.
Where does this data come from?
SEC 13F filings (funds), Form 4 (insiders) and STOCK Act reports (Congress).
Sourced from SEC 13F, Form 4 & STOCK Act filings · Not investment advice ▾
Ownership from SEC filings; price from market data.
Published by WealthFile · Not investment advice.