Ionis Pharmaceuticals In – Investors and Politicians Who Own It
IONS, 4 share classes and securities
Investors who own it
7 tracked investors, $711.9M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
Tweedy, BrowneQ2 2026 | $180.8M | 13.7% |
David KroinDeep Track Capital, Q2 2026 | $174.4M | 2.54% |
Julian i Felix BakerBaker Bros. Advisors, Q2 2026 | $162.4M | 0.81% |
Anand ParekhAlyeska Investment Group, Q2 2026 | $112.4M | 0.29% |
Joseph EdelmanPerceptive Advisors, Q2 2026 | $44.9M | 0.67% |
Cathie WoodARK Investment Management, Q2 2026 | $23.8M | 0.15% |
Daniel SchneebergerADAR1 Capital Management, Q2 2026 | $13.2M | 0.60% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
No member of Congress is estimated to hold this stock.
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| David Kroin | Added +7.2% | 4,891,544 |
| Tweedy, Browne | Reduced −3.1% | 2,891,948 |
| Julian i Felix Baker | Sold out | 0 |
| Anand Parekh | New | 159,008 |
| Daniel Schneeberger | New | 148,461 |
| Cathie Wood | Reduced −10% | 900,318 |
| Castle Hook Partners | Sold out | 0 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
Daniel S. GoldmanD-NY · House | Sold$1K–$15K | Mar 6, 2023disclosed Apr 17, 2023 |