Sionna Therapeutics (SION): filings, insider buys & geopolitical news
SION geopolitical news and exposure. SION appears in 0 Geopolitics Alpha notes. No notes are stored for this page yet.
Government contracts
No federal prime contract obligations are matched to Sionna Therapeutics in USAspending.gov for the last five years, and no Department of Defense contract announcements name it in the past year. See the largest government contractors.
SION share price, last 12 months
Close $35.92 on Jun 12, 2026, -8.4% since Oct 24, 2025 (range $33.51 to $45.95, daily closes).
What changed for Sionna Therapeutics (SION)
- 0 news
- 0 SEC filings
- 0 fund / insider trades
Latest SEC filings
None on record yet.
Latest fund & insider buys and sales
None on record yet.
Held by superinvestors
1 of the tracked billionaire portfolios reported SION in their latest 13F, and 1 sold out. 13F data is delayed up to 45 days after quarter end; not advice.
| Manager | % of portfolio | Value | Change | Quarter |
|---|---|---|---|---|
| Andreas Halvorsen Viking Global Investors | 0.40% | $140.6M | No change | Q2 2026 |
| Dan Davidowitz Polen Capital Management | 0.00% | $0 | Sold out | Q2 2026 |
Latest geopolitical & market news
None on record yet.
Congressional trades in SION
Trades in SION that members of Congress have publicly reported, newest filing first.
No congressional trades are stored for this view yet.
All congressional stock trades →
Geopolitical news for SION
Everything on SION, newest first
No original notes are listed on this page yet.
Frequently asked questions
Does Sionna Therapeutics have government contracts?
No federal prime contract obligations are matched to Sionna Therapeutics (SION) in USAspending.gov for the last five years. Subcontracts are not included.
Where does the contract data come from?
USAspending.gov (the official source of U.S. federal spending data) and the Department of Defense's daily contract announcements. Both are public domain and refreshed daily here.
What geopolitical news affects SION?
This page lists every Geopolitics Alpha note that names SION as exposed to an event, with the reason it is exposed.
Has Congress traded SION?
The table above lists trades in SION that members of Congress have publicly reported, with a link to each official filing.
Is this investment advice?
No. We show news, exposure and past price moves. Nothing here is a recommendation.