SION holders · CITADEL ADVISORS LLC 13F · SION stock
CITADEL ADVISORS LLC Sionna Therapeutics, Inc. Common Stock (SION) 13F holding
CITADEL ADVISORS LLC reported 1,166,931 SION shares valued at $46.8M as of 2026-03-31. Share lines from that 13F summed, options excluded; value is the 13F-reported market value in US dollars, as reported on Form 13F, not a live feed.
This is the newest SION 13F on file for this filer CIK, and it is older than the quarter ended 2026-06-30. It is kept for history and left out of the SION holders table.
| Report | Shares | Value | Class |
|---|---|---|---|
| 2026-03-31 | 1,166,931 | $46.8M | COM |
| 2025-12-31 | 1,087,325 | $44.7M | COM |
| 2025-09-30 | 35,923 | $1.1M | COM |
| 2025-06-30 | 129,912 | $2.3M | COM |
Not investment advice. Holdings as reported on Form 13F; EDGAR is the official record.