# MBX Biosciences funding: rounds and investors

> MBX Biosciences has raised $64M across 1 round since 2024. Investors include New Enterprise Associates, Norwest Venture Partners and OrbiMed.

Source: https://millionrounds.com/company/mbx-biosciences (Millionrounds; every figure on the page links to its filing or article)

United States · [Series C startup](https://millionrounds.com/companies)

# Who invested in *MBX Biosciences*

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Funding summary Updated 26 Oct 2026

**$64M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series C, $64M Aug 2024
- **Investors:** 5

See who backed them

## The rounds

- **Aug 2024** Series C **$64M** [New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [OrbiMed](https://millionrounds.com/fund/orbimed) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Wellington Management](https://millionrounds.com/fund/wellington-management) Source recorded

## Founders and team

From MBX Biosciences's own website and the SEC filings it signed: 12 on the team.

- **Steve Hoerter** Chairman & Chief Executive Officer
- **Debra Sojka** Vice President, Regulatory Affairs
- **Tyler Carner** Vice President, Finance
- **Jeff Held** Chief Legal Officer
- **John Smither** Chief Financial Officer
- **Karen Basbaum** Chief Business Officer
- **Mark Hope** Chief Regulatory & Quality Officer
- **Mark Soued** Chief Commercial Officer
- **Michelle Graham** Chief Human Resources Officer
- **Peter Kent Hawryluk** Executive Officer, Director i
- **Richard Kent DiMarchi** Executive Officer, Director i
- **Richard M. Bartram** Executive Officer i

On the board, as filed i *Carl M. Gordon* *Edward M. Mathers* *James M. Cornelius*

## Everyone who backed them

[New Enterprise Associates](https://millionrounds.com/fund/new-enterprise-associates) VC firm **1** round

[Norwest Venture Partners](https://millionrounds.com/fund/norwest) VC firm **1** round

[OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

[Wellington Management](https://millionrounds.com/fund/wellington-management) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=mbx-biosciences).

## Also claim to have backed them

This firm lists MBX Biosciences as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[IU Ventures](https://millionrounds.com/fund/iu-ventures) Angel network Per its own site

## Quick answers about MBX Biosciences

### Who invested in MBX Biosciences?

MBX Biosciences's investors include New Enterprise Associates, Norwest Venture Partners, OrbiMed, RA Capital Management and Wellington Management.

### How much has MBX Biosciences raised?

MBX Biosciences has raised $64M across 1 round since 2024.

### When did MBX Biosciences last raise?

MBX Biosciences's most recent round was a Series C of $64M in Aug 2024.

### What was MBX Biosciences's biggest round?

Its most recent round, $64M in Aug 2024, is also its largest on record.

### Who backed MBX Biosciences first?

MBX Biosciences's first round on record, in Aug 2024, was backed by New Enterprise Associates, Norwest Venture Partners and OrbiMed and 2 others.

### What stage is MBX Biosciences at?

MBX Biosciences's latest named round is a Series C, in Aug 2024.

### Where is MBX Biosciences based?

MBX Biosciences is based in the United States.

## Companies like MBX Biosciences

In the same sector, and raised in the last eighteen months.

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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