BlossomHill Therapeutics

San Diego, CA · Founded 2020 · Privately Held (backing)

Operator of a biopharmaceutical company designed to develop treatments for oncology and autoimmune diseases. BlossomHill Therapeutics is based in San Diego, CA and was founded in 2020. It was valued at $413 million at its later-stage round in Dec 2025, the last priced event on record. It has raised $257 million across 4 recorded rounds; the latest was an $84.2 million later-stage round in Nov 2025.

PMV mark · valuation
$413.1M
Oct 2026
Priced at
its later-stage round
Dec 2025
Total raised
$257.1M
Last round
Later Stage VC
Nov 2025
What is BlossomHill Therapeutics worth?
$413.1MPrivateMarketView mark · Oct 2026

Valued at $413.1M at its later-stage round, Dec 2025. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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BlossomHill Therapeutics funding history

4 rounds
DateRoundRaisedPost-money
Nov 2025Later Stage VC$84.2M▮
Dec 2023Later Stage VC$88.6M▮
Mar 2021Later Stage VC$71.0M▮
Dec 2020Seed Round$2.0M▮
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BlossomHill Therapeutics valuation

BlossomHill Therapeutics was valued at $413 million at its later-stage round in Dec 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has BlossomHill Therapeutics raised?

BlossomHill Therapeutics has raised $257 million across 4 recorded rounds since 2020. The largest was an $88.6 million later-stage round in Dec 2023; the most recent was an $84.2 million later-stage round in Nov 2025.

BlossomHill Therapeutics has filed 4 Form Ds with the SEC since 2021, most recently in Dec 2025 ($84.2 million sold to 47 investors).

How BlossomHill Therapeutics's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For BlossomHill Therapeutics, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about BlossomHill Therapeutics

What is BlossomHill Therapeutics worth?
BlossomHill Therapeutics is valued at $413.1M as of Oct 2026. Valued at $413.1M at its later-stage round, Dec 2025. Nothing has traded since.
How much has BlossomHill Therapeutics raised?
BlossomHill Therapeutics has raised $257.1M in total funding across 4 recorded rounds.
When did BlossomHill Therapeutics last raise?
BlossomHill Therapeutics last raised in Nov 2025 (Later Stage VC), raising $84.2M.