SION — Sionna Therapeutics Inc Com Institutional Holders · Q3 2026
Who owns Sionna Therapeutics Inc Com (SION)? 2 institutions reported holding $8,632 in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: GAMMA Investing LLC ($4,866), Farther Finance Advisors, LLC ($3,766).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GAMMA Investing LLC | $4,866 | 925 | Added |
| 2 | Farther Finance Advisors, LLC | $3,766 | 716 | Added |
Source: SEC Form 13F filings · as of 2026-09-30