Arialys
La Jolla, US · Founded 2021 · Delaware corporation · 3 known investors
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Arialys Therapeutics develops precision medicines designed to block pathogenic autoantibodies that target brain receptors such as the NMDA receptor, aiming to treat neuropsychiatric disorders driven by autoimmune disease. It focuses on autoimmune neuropsychiatry, addressing conditions including encephalitis, schizophrenia, dementia, and cancer-related cognitive impairment.
Founders & leadership

Board

Investors · 3
Reported raises · per SEC filings
Form D private placements$29.1M disclosed across 2 of 3 rounds · 2022–2025
▶$14.8MraisedJul 2025 · 7 investors · BiotechnologyRule 506(b)
- Jay Lichter, Ph.D.Director
- Peter Flynn, Ph.D.Executive Officer, Director
- Brian Slingsby, M.D., Ph.D., M.P.H.Director
- Ed HurwitzDirector
- Ashish Xavier, Ph.D.Director
- Offering amount
- $24.8M
- Amount sold
- $14.8M
- First sale
- Jun 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$14.3MraisedDec 2022 · 6 investors · BiotechnologyRule 506(b)
- Jay Lichter, Ph.D.Executive Officer, Director
- Ed HurwitzDirector
- Brian Slingsby, M.D., Ph.D., M.P.H.Director
- Tighe ReardonExecutive Officer
- Offering amount
- $55M
- Amount sold
- $14.3M
- First sale
- Nov 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Arialys do?
- Arialys Therapeutics develops precision medicines designed to block pathogenic autoantibodies that target brain receptors such as the NMDA receptor, aiming to treat neuropsychiatric disorders driven by autoimmune disease. It focuses on autoimmune neuropsychiatry, addressing conditions including encephalitis, schizophrenia, dementia, and cancer-related cognitive impairment.
- Who are Arialys's investors?
- Arialys's investors include Avalon BioVentures, Catalys Pacific, MPM BioImpact.
- How much funding has Arialys raised?
- Arialys has disclosed $29.1M raised across 2 of its 3 known rounds.
- Where is Arialys headquartered?
- Arialys is headquartered in La Jolla, US.





