Who invested in MMI?
MMI's investors include RA Capital Management, Fidelity, Deerfield, Andera Partners and BioStar Capital, and 4 more on record. BioStar Capital led its latest round.
202420252026
$110MSeries C$8.6MVenture$20MVenture$125MSeries DWho invested in MMI
4 rounds we have observed, with the 9 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised this month
Funding summaryUpdated 26 Oct 2026
$263Mraised across 4 rounds since 2024, from 4 sources
$110MSeries C$8.6MVenture$20MVenture$125MSeries D
- Latest round
- Series D, $125MOct 2026
- Led by
- BioStar Capital
- Step-upi
- 6.4×
- Investors
- 9 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series C, $110M Feb 2024
- Biggest round
- $125M Series D · Oct 2026
- Usual gap between rounds
- 6 months the median of 3
The rounds
- Oct 2026
- Sept 2026Venture$20M1 new4 returning
Source recorded
- Aug 2024Venture$8.6M
No investor was named in the report.
Source recorded
- Feb 2024Series C$110M5 new
Source recorded
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Series C2024Venture2024Venture2026Series D2026
RA Capital ManagementFidelity
Deerfield
Andera Partners
BioStar CapitalL
European Investment Bank
Wellington PartnersS3 Ventures
Angelini Ventures
RA Capital ManagementFidelityDeerfieldAndera PartnersBioStar CapitalLEuropean Investment BankWellington PartnersS3 VenturesAngelini VenturesEveryone who backed them
FidelityVC firm2rounds
S3 VenturesVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about MMI
How much has MMI raised?
MMI has raised $263M across 4 rounds since 2024.
When did MMI last raise?
MMI's most recent round was a Series D of $125M in Oct 2026, led by BioStar Capital.
What was MMI's biggest round?
Its most recent round, $125M in Oct 2026, is also its largest on record.
Who backed MMI first?
MMI's first round on record, in Feb 2024, was backed by RA Capital Management, Fidelity and Deerfield and 2 others.
What stage is MMI at?
MMI's latest named round is a Series D, in Oct 2026.
Who led MMI's rounds?
BioStar Capital led the Series D in 2026.
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