Alloy Therapeutics

Waltham, MA · Founded 2017 · Privately Held (backing)

Developer of biotechnology platforms intended for drug discovery and development. Alloy Therapeutics is based in Waltham, MA and was founded in 2017. It was valued at $1 billion at its later-stage round in Apr 2026, the last priced event on record. It has raised $174 million across 3 recorded rounds; the latest was a $30 million early-stage round in Mar 2026.

PMV mark · valuation
$1.0B
Oct 2026
Priced at
its later-stage round
Apr 2026
Total raised
$174.0M
Last round
Early Stage VC
Mar 2026

Alloy Therapeutics key facts

as of Oct 2026
  • Developer of biotechnology platforms intended for drug discovery and development.
  • Alloy Therapeutics is valued at approximately $1.0B as of Oct 2026, set at its later-stage round, Apr 2026; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $174.0M across 3 recorded rounds; the latest was Early Stage VC ($30.0M) in Mar 2026.
  • Notable investors include Gaingels, Founders Fund, 8VC, Calm Ventures, OurCrowd — 24 tracked in total.
  • Alloy Therapeutics has filed 3 Form Ds with the SEC since 2021, most recently Apr 2026 ($30.0M sold to 11 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
MEDIUM confidence
$1.0B

Valued at $1.0B at its later-stage round, Apr 2026. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Alloy Therapeutics funding rounds

3 rounds
Mar 2026Early Stage VC$30.0MSEC filing▮
Sep 2022Early Stage VC$41.7MSEC filing▮
Mar 2021Later Stage VC$75.0MSEC filing▮

Alloy Therapeutics valuation

Alloy Therapeutics was valued at $1 billion at its later-stage round in Apr 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Alloy Therapeutics raised?

Alloy Therapeutics has raised $174 million across 3 recorded rounds since 2021. The largest was a $75 million later-stage round in Mar 2021; the most recent was a $30 million early-stage round in Mar 2026.

Alloy Therapeutics has filed 3 Form Ds with the SEC since 2021, most recently in Apr 2026 ($30 million sold to 11 investors).

Alloy Therapeutics investors

24 investors are on record for Alloy Therapeutics, including Gaingels, Founders Fund, 8VC and Calm Ventures. By type, the record holds 5 venture capital firms and 2 family offices. The early-stage round in Mar 2026 drew 11 investors.

About Alloy Therapeutics

Developer of biotechnology platforms intended for drug discovery and development. The company's platform provides engineered biological systems, data-driven systems, antibody discovery capabilities, and integration with machine learning techniques to support target identification, optimization, and preclinical research workflows, enabling pharmaceutical and biotechnology organizations to improve efficiency and reduce uncertainty in therapeutic development processes.

Sector
Healthcare
HQ
Waltham, MA, United States
Founded
2017
Employees
137
Ownership
Privately Held (backing)

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