Arialys
Arialys Therapeutics
La Jolla, United States · Founded 2022 · $72.8M raised
- Headquarters
- La Jolla
- Employees
- 1–10
- Founded
- 2022
- Business Model
- B2B
- Website
- arialysrx.com
- 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.
Tech & App Stack
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Funding History
Jun 2025
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Seed through Venture Round — per-round amounts, valuations, and who invested in each round.
Investors
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