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Symbol
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MBX on Nasdaq
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Investment type
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Equity / COMMON STOCK
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Latest Disclosed Shares Owned
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5,224,095 shares
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Security Ownership %
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12%
Patrick J. Heron ownership in MBX Biosciences, Inc. COMMON STOCK (MBX)
30 Sep 2025 - Patrick J. Heron has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 5,224,095 shares of MBX Biosciences, Inc. COMMON STOCK (MBX).
This represents 12% ownership of the company.
In their previous filing dated 20 Aug 2025, Frazier Life Sciences Public Fund, L.P. had reported owning 4,557,097 shares, indicating an increase of +15%.
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