MBX Biosciences, Inc. Common Stock (MBX) institutional holders · $1.98B cap
MBX Biosciences, 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 |
|---|---|---|---|
| FMR LLC | 5,322,885 | $293.8M | 2026-06-30 |
| STATE STREET CORP | 864,466 | $47.7M | 2026-06-30 |
| CITADEL ADVISORS LLC | 932,833 | $27.8M | 2026-03-31Prior quarter |
| GOLDMAN SACHS GROUP INC | 457,945 | $13.7M | 2026-03-31Prior quarter |
MBX institutional holders FAQ
How many MBX 13F holders are listed on this page?
This page lists 2 cached MBX Biosciences, Inc. Common Stock (MBX) 13F holders. Holders: https://lician.com/institutional/mbx
Who is the largest MBX 13F holder by reported value?
The largest cached 13F holder by reported value on this page is FMR LLC. Filer: https://lician.com/institutional/mbx/315066. Holders: https://lician.com/institutional/mbx
What value and shares did the largest MBX 13F holder report?
FMR LLC, the largest cached 13F holder by reported value on this page, reported 5,322,885 shares and a value of $293.8M.
What is the latest MBX 13F report date on this page?
The latest cached 13F report date on this MBX Biosciences, Inc. Common Stock (MBX) holders table is Jun 30, 2026.
Which MBX 13F holders report the largest positions?
The largest cached 13F holders by reported value on this MBX Biosciences, Inc. Common Stock (MBX) page are FMR LLC and STATE STREET CORP. Holders: https://lician.com/institutional/mbx
Where are MBX institutional holders listed?
Cached 13F holders for MBX Biosciences, Inc. Common Stock (MBX) are listed at https://lician.com/institutional/mbx. Filer directory: https://lician.com/holders
Not investment advice. Figures as filed or reported, not a live feed.