Who has invested in Treeline Biosciences?

Arch Venture Partners, OrbiMed, GV, Access Industries, Ajax Health/Zeus, Casdin Capital are named among the investors backing Treeline Biosciences.

Treeline Biosciences Funding: $1.1B Raised, Series A (2025)

Treeline Biosciences funding overview

Treeline Biosciences is a Biotech company based in Watertown, Massachusetts. Treeline Biosciences has raised $1.1B in total disclosed funding. That places its disclosed total in over $1B. Its most recent disclosed round is a Series A announced in September 2025. The round record for Treeline Biosciences runs through 2025; nothing later has been disclosed. Investors on record include Arch Venture Partners, OrbiMed, GV, Access Industries, Ajax Health/Zeus, Casdin Capital and 7 others. 13 distinct backers are named across the disclosed rounds.

Treeline Biosciences at a glance

Total raised: $1.1B
Latest round: Series A
Latest round date: September 2025
Industry: Biotech
Headquarters: Watertown, Massachusetts
Notable investors: Arch Venture Partners, OrbiMed, GV, Access Industries, Ajax Health/Zeus, Casdin Capital, KKR, T. Rowe Price Associates

Frequently asked about Treeline Biosciences funding

How much has Treeline Biosciences raised?: Treeline Biosciences has raised $1.1B in total disclosed funding across the rounds on record.
Who has invested in Treeline Biosciences?: Arch Venture Partners, OrbiMed, GV, Access Industries, Ajax Health/Zeus, Casdin Capital are named among the investors backing Treeline Biosciences.
What was the latest Treeline Biosciences funding round?: The most recent disclosed round is a Series A, announced in September 2025.
Where is Treeline Biosciences based?: Treeline Biosciences is based in Watertown, Massachusetts.
What sector does Treeline Biosciences operate in?: Treeline Biosciences is tracked under Biotech from Watertown, Massachusetts, with $1.1B in disclosed funding.
When did Treeline Biosciences last raise?: The last disclosed Treeline Biosciences round closed in September 2025 at Series A.

Round data for Treeline Biosciences is compiled from public filings and announcements; blank fields mean nothing has been disclosed rather than nothing exists. Continue with the Biotech companies in Watertown and backer lists below.

Treeline Biosciences Funding: $1.1B Raised, Series A (2025)

Treeline Biosciences funding overview

Treeline Biosciences at a glance

Frequently asked about Treeline Biosciences funding

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