United States · 
Who invested in Tourmaline Bio?
Tourmaline Bio's investors include Qiming Venture Partners, RA Capital Management, Vivo Capital, TCG and TCG Crossover.
United States · Funded startup
Who invested in Tourmaline Bio
Funding summaryUpdated 26 Oct 2026
$173Mraised across 1 round since 2024, from 1 source
- Latest round
- Round, $173MJan 2024
- Investors
- 5
The rounds
- Jan 2024
Everyone who backed them
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Also claim to have backed them
This firm lists Tourmaline 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 Tourmaline Bio
How much has Tourmaline Bio raised?
Tourmaline Bio has raised $173M across 1 round since 2024.
When did Tourmaline Bio last raise?
Tourmaline Bio's most recent round was an Undisclosed round of $173M in Jan 2024.
What was Tourmaline Bio's biggest round?
Its most recent round, $173M in Jan 2024, is also its largest on record.
Who backed Tourmaline Bio first?
Tourmaline Bio's first round on record, in Jan 2024, was backed by Qiming Venture Partners, RA Capital Management and Vivo Capital and 2 others.
What stage is Tourmaline Bio at?
Tourmaline Bio's latest named round is an Undisclosed round, in Jan 2024.
Where is Tourmaline Bio based?
Tourmaline Bio is based in the United States.
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