Sionna Therapeutics, Inc. Common Stock (SION) institutional holders · $165.0M cap
Sionna Therapeutics, Inc. Common Stock institutional holders from SEC Form 13F, top 4 by reported value. Each row is the filer's newest 13F for quarters ended 2026-03-31 or later, share lines summed, options excluded; value is the 13F-reported market value in US dollars. Rows marked Prior quarter are filers whose 2026-06-30 13F is not cached yet.
| Holder | Shares | Value | Report |
|---|---|---|---|
| CITADEL ADVISORS LLC | 1,166,931 | $46.8M | 2026-03-31Prior quarter |
| STATE STREET CORP | 1,021,534 | $44.9M | 2026-06-30 |
| FMR LLC | 278,292 | $12.2M | 2026-06-30 |
| GOLDMAN SACHS GROUP INC | 263,174 | $10.6M | 2026-03-31Prior quarter |
SION institutional holders FAQ
How many SION 13F holders are listed on this page?
This page lists 2 cached Sionna Therapeutics, Inc. Common Stock (SION) 13F holders. Holders: https://lician.com/institutional/sion
Who is the largest SION 13F holder by reported value?
The largest cached 13F holder by reported value on this page is STATE STREET CORP. Filer: https://lician.com/institutional/sion/93751. Holders: https://lician.com/institutional/sion
What value and shares did the largest SION 13F holder report?
STATE STREET CORP, the largest cached 13F holder by reported value on this page, reported 1,021,534 shares and a value of $44.9M.
What is the latest SION 13F report date on this page?
The latest cached 13F report date on this Sionna Therapeutics, Inc. Common Stock (SION) holders table is Jun 30, 2026.
Which SION 13F holders report the largest positions?
The largest cached 13F holders by reported value on this Sionna Therapeutics, Inc. Common Stock (SION) page are STATE STREET CORP and FMR LLC. Holders: https://lician.com/institutional/sion
Where are SION institutional holders listed?
Cached 13F holders for Sionna Therapeutics, Inc. Common Stock (SION) are listed at https://lician.com/institutional/sion. Filer directory: https://lician.com/holders
Not investment advice. Figures as filed or reported, not a live feed.