Arialys Therapeutics

La Jolla, CA · Founded 2021 · Privately Held (backing)

Operator of a clinical-stage biotechnology company intended to pioneer new precision medicines for autoimmune neuropsychiatric diseases. Arialys Therapeutics is based in La Jolla, CA and was founded in 2021. It was valued at $112 million at its seed round in Jun 2025, the last priced event on record. It has raised $72 million across 2 recorded rounds; the latest was a $14.8 million early-stage round in Jun 2025.

PMV mark · valuation
$112.0M
Oct 2026
Priced at
its seed round
Jun 2025
Total raised
$72.0M
Last round
Early Stage VC
Jun 2025

Who backs Arialys Therapeutics?

6 investors
InvestorType
Alexandria Venture InvestmentsOther
Johnson & Johnson JJDCVenture capital
MPM BioImpactVenture capital
Alexandria Real Estate Equities—
Avalon Bioventures—
Catalys Pacific—
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Arialys Therapeutics investors

6 investors are on record for Arialys Therapeutics, including Alexandria Venture Investments, Johnson & Johnson JJDC, MPM BioImpact and Alexandria Real Estate Equities. The early-stage round in Jun 2025 drew 7 investors.

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