WELLINGTON MANAGEMENT GROUP LLP

Holdings History for MBX Biosciences, Inc. - COMMON STOCK (MBX)

Symbol
MBX on Nasdaq
Investment type
Equity / COMMON STOCK
Latest Disclosed Shares Owned
3,349,961 shares
Security Ownership %
7.5%
Shares, Excluding Options vs Price
Value, Excluding Options

Wellington Management Group LLP ownership in MBX Biosciences, Inc. COMMON STOCK (MBX)

10 Feb 2026 - Wellington Management Group LLP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 3,349,961 shares of MBX Biosciences, Inc. COMMON STOCK (MBX). This represents 7.5% ownership of the company. In their previous filing dated 06 Oct 2025, WELLINGTON MANAGEMENT GROUP LLP had reported owning 4,823,336 shares, indicating a decrease of +31%. .
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.