MBX holders · FMR LLC 13F · MBX stock
FMR LLC MBX Biosciences, Inc. Common Stock (MBX) 13F holding
FMR LLC reported 5,322,885 MBX shares valued at $293.8M as of 2026-06-30. 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.
Not investment advice. Holdings as reported on Form 13F; EDGAR is the official record.