Sionna Therapeutics Inc. – Investors and Politicians Who Own It
SION
Investors who own it
5 tracked investors, $639.7M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
Peter KolchinskyRA Capital Management, Q2 2026 | $435.7M | 3.79% |
Andreas HalvorsenViking Global Investors, Q2 2026 | $140.6M | 0.40% |
Joseph EdelmanPerceptive Advisors, Q2 2026 | $39.8M | 0.60% |
Julian i Felix BakerBaker Bros. Advisors, Q2 2026 | $17.6M | 0.09% |
Anand ParekhAlyeska Investment Group, Q2 2026 | $6M | 0.02% |
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 |
|---|---|---|
| Peter Kolchinsky | New | 10,445,322 |
| Andreas Halvorsen | New | 2,952,754 |
| Joseph Edelman | New | 1,251,101 |
| Julian i Felix Baker | New | 400,000 |
| Anand Parekh | New | 186,222 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
No disclosed Congress trades in this stock.