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
How much has Arialys Therapeutics raised?
$72.0Macross 2 recorded rounds · Nov 2022 – Jun 2025

Most recently, Arialys Therapeutics raised $14.8M in its Early Stage VC (Jun 2025).

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Arialys Therapeutics round by round

2 rounds
Jun 2025Early Stage VC$14.8MSEC filing▮
7 investors participated
Nov 2022Early Stage VC$14.3MSEC filing▮
6 investors participated

How much has Arialys Therapeutics raised?

Arialys Therapeutics has raised $72 million in total; 2 of its rounds are on record. The largest on record was a $14.8 million early-stage round in Jun 2025.

Arialys Therapeutics has filed 2 Form Ds with the SEC since 2022, most recently in Jul 2025 ($14.8 million sold to 7 investors).

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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Frequently asked about Arialys Therapeutics

How much has Arialys Therapeutics raised?
Arialys Therapeutics has raised $72.0M in total across 2 recorded funding rounds.
When was Arialys Therapeutics's last funding round?
Arialys Therapeutics's most recent recorded round was Early Stage VC in Jun 2025, raising $14.8M.