With a market capitalization (market cap) of $3.17B — a measure of how much the company is worth — MBX Biosciences, Inc. Common Stock is the 1765th most valuable company in Healthcare as of August 18, 2026. Shares trade at $66.52, down +2.53% on the day.
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MBX Biosciences, Inc. is a biopharmaceutical company in its clinical development phase, dedicated to pioneering precise peptide-based therapies for endocrine and metabolic conditions. Its most advanced drug candidate, MBX 2109, is a parathyroid hormone peptide prodrug currently in Phase 2 clinical trials. This medication is being evaluated as a long-duration hormone replacement treatment for individuals suffering from chronic hypoparathyroidism. The company is also progressing with MBX 1416, a prolonged-action glucagon-like peptide-1 (GLP-1) receptor antagonist, which is undergoing Phase 1 clinical assessment. The aim of this therapy is to address post-bariatric hypoglycemia, a persistent complication often seen after weight-loss surgery. Furthermore, MBX Biosciences is developing MBX 4291, a key candidate for obesity treatment. This highly potent and long-acting prodrug functions as a co-agonist for both GLP-1 and glucose-dependent insulinotropic polypeptide (GIP) receptors. It is currently in investigational new drug (IND)-enabling studies, with the intention of treating obesity and its associated health issues. Founded in 2018, the company's operations are headquartered in Carmel, Indiana.
Visit websiteAs of August 18, 2026, MBX Biosciences, Inc. Common Stock (MBX) is worth $3.17B — this is its market capitalization, the total value of all its outstanding shares.
MBX Biosciences, Inc. Common Stock’s market cap is $3.17B, which ranks it #1765 among the most valuable companies in the Healthcare sector tracked on MarketCapLens.
MBX Biosciences, Inc. Common Stock (MBX) shares trade at $66.52, down 2.53% on the day, as of August 18, 2026.
Fundamentals are annual. Figures labeled with their fiscal year.
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