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SION
Sionna Therapeutics, Inc.
Research: Finviz ↗·Perplexity ↗
No convergence signal this quarter — shown because tracked funds have filed 13D/G on this stock.
Days to cover (short int.)
2.6d↑+1.2%
as of 2026-08-31
Fund 13D/13G Filings (1)
Tracked funds' beneficial-ownership filings on this stock — disclosed within days of a position change, fresher than the quarterly 13F. Since Filing compares the stock to SPY from the filing date (shown for filings within the last 90 days).
| Fund | Form | ∆ Shares | % of Class | Since Filing | Filed | Src |
|---|---|---|---|---|---|---|
| Viking Global | SC 13G/A | — | 7.1% | -89.3% vs SPY -83.7% abs | 2026-05-15 | ↗ |