United States · 
Who invested in Treeline Biosciences?
Treeline Biosciences's investors include OrbiMed, Fidelity and ARCH Venture Partners.
United States · Series A startup
Who invested in Treeline Biosciences
Funding summaryUpdated 26 Oct 2026
$200Mraised across 1 round since 2025, from 1 source
- Latest round
- Series A, $200MSept 2025
- Investors
- 3
The rounds
- Sept 2025Series A$200M
Source recordedSEC filing: $200M sold, first sale Aug 2025
Everyone who backed them
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Quick answers about Treeline Biosciences
How much has Treeline Biosciences raised?
Treeline Biosciences has raised $200M across 1 round since 2025.
When did Treeline Biosciences last raise?
Treeline Biosciences's most recent round was a Series A of $200M in Sept 2025.
What was Treeline Biosciences's biggest round?
Its most recent round, $200M in Sept 2025, is also its largest on record.
Who backed Treeline Biosciences first?
Treeline Biosciences's first round on record, in Sept 2025, was backed by OrbiMed, Fidelity and ARCH Venture Partners.
What stage is Treeline Biosciences at?
Treeline Biosciences's latest named round is a Series A, in Sept 2025.
Where is Treeline Biosciences based?
Treeline Biosciences is based in the United States.
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