MBX Biosciences
PublicLast Round
Follow-on Offering
Sep 24, 2025
Total Funding Raised
$603.2M
Company Overview
MBX Biosciences (NAS: MBX) is a clinical-stage biopharmaceutical company specializing in the discovery and development of innovative precision peptide therapies aimed at treating endocrine and metabolic disorders.
Sector
Healthcare
AI Layer
Non-AI
Keywords
precision peptide therapies for endocrine disordersPrecision Endocrine Peptide (PEP) platformlong-acting therapy for chronic hypoparathyroidismclinical-stage biopharmaceutical companylong-acting parathyroid hormone (PTH) peptide prodrugrare endocrine disease therapeuticsonce-weekly hormone replacement therapyinvestigational treatment for post-bariatric hypoglycemiapeptide therapeutics for metabolic disordersinvestigational obesity treatment
MBX Biosciences Comps
Public and private peers based on sector, stage, and business model.
| Company | Status | Est. Valuation | Rev Multiple |
|---|---|---|---|
| OpenAI | Private | $86.0B | ~40x |
| Cohere | Private | $5.0B | -- |
| Competitor 1 | Public | $XX.XB | XXx |
| Competitor 2 | Public | $XX.XB | XXx |
MBX Biosciences Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Follow-on Offering | Sep 24, 2025 | ||||
| IPO Announced | Sep 12, 2024 | ||||
| Series C | Aug 5, 2024 | ||||
| Series B | Nov 14, 2022 | ||||
| Series A | Jul 27, 2020 | ||||
Seed | Sep 10, 2019 |
MBX Biosciences Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Jefferies | Follow-on Offering, IPO |
| RA Capital Management | Series C, Series B |
| Frazier Healthcare Partners | Series A |
| Guggenheim Securities | Follow-on Offering, IPO |
| New Enterprise Associates (NEA) | Series A, Series B |
| BioCrossroads | Seed, Series A |
| Deep Track Capital | Series C |
MBX Biosciences Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Firmographic Details
HeadquartersCarmel, Indiana
Employee Range70
Year Founded2018
Last FundingSep 24, 2025