United States · 
Who invested in Third Harmonic Bio?
Third Harmonic Bio's investors include OrbiMed, RA Capital Management, General Atlantic and RTW Investments LLC.
United States · Funded startup
Who invested in Third Harmonic Bio
Funding summaryUpdated 26 Oct 2026
$3.9Mraised across 1 round since 2025, from 1 source
- Latest round
- Round, $3.9MJan 2025
- Investors
- 4
The rounds
- Jan 2025
Everyone who backed them
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Also claim to have backed them
This firm lists Third Harmonic Bio 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.
Quick answers about Third Harmonic Bio
How much has Third Harmonic Bio raised?
Third Harmonic Bio has raised $3.9M across 1 round since 2025.
When did Third Harmonic Bio last raise?
Third Harmonic Bio's most recent round was an Undisclosed round of $3.9M in Jan 2025.
What was Third Harmonic Bio's biggest round?
Its most recent round, $3.9M in Jan 2025, is also its largest on record.
Who backed Third Harmonic Bio first?
Third Harmonic Bio's first round on record, in Jan 2025, was backed by OrbiMed, RA Capital Management and General Atlantic and 1 others.
What stage is Third Harmonic Bio at?
Third Harmonic Bio's latest named round is an Undisclosed round, in Jan 2025.
Where is Third Harmonic Bio based?
Third Harmonic Bio is based in the United States.
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