Watertown, MA · Founded 2021 · Privately Held (backing)
Developer of transformative precision medicines intended to treat cancer and other serious conditions. Treeline Biosciences is based in Watertown, MA and was founded in 2021. It is valued at about $1.3 billion as of Oct 2026, set by institutional fund marks. It has raised $1.1 billion across 2 recorded rounds; the latest was a $200 million later-stage round in Aug 2025.
PMV mark · valuation
$1.3B
Oct 2026
Priced at
—
Total raised
$1.1B
Last round
Later Stage VC
Aug 2025
Team — not yet on record
No current team members for Treeline Biosciences are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 14 names
·Watch Treeline Biosciences: the Monday email on marks, rounds and moves
