Arialys

La Jolla, United States · Founded 2022 · $72.8M raised

Headquarters
La Jolla
Employees
1–10
Founded
2022
Business Model
B2B
Total Funding
$72.8M
Last Round
$14.8M Venture RoundJun 2025
Rounds
2

About

Arialys Therapeutics is a clinical-stage biotechnology company based in La Jolla, California, developing precision medicines that target autoimmune neuropsychiatric diseases, including anti-NMDA receptor encephalitis. The company was founded by Avalon Bioventures, Catalys Pacific, and MPM to explore recent discoveries in autoimmune neuropsychiatry, with a focus on blocking disease-causing pathogenic antibodies. Its lead candidate, ART5803, holds FDA Rare Pediatric Disease designation.

Summary

Arialys is a Biotech company based in La Jolla, United States, founded in 2022. It has raised $72.8M in total across 2 rounds, most recently a $14.8M Venture Round round in Jun 2025. Investors include Avalon BioVentures, Alexandria Venture Investments and Catalys Pacific.

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Funding History

Venture RoundVenture RoundJun 2025
$14.8M

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Investors

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