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

Arialys Therapeutics key facts

as of Oct 2026
  • Operator of a clinical-stage biotechnology company intended to pioneer new precision medicines for autoimmune neuropsychiatric diseases.
  • Arialys Therapeutics is valued at approximately $112.0M as of Oct 2026, set at its seed round, Jun 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $72.0M across 2 recorded rounds; the latest was Early Stage VC ($14.8M) in Jun 2025.
  • Notable investors include Alexandria Venture Investments, Johnson & Johnson JJDC, MPM BioImpact, Alexandria Real Estate Equities, Avalon Bioventures — 6 tracked in total.
  • Arialys Therapeutics has filed 2 Form Ds with the SEC since 2022, most recently Jul 2025 ($14.8M sold to 7 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
LOW confidence
$112.0M

Valued at $112.0M at its seed round, Jun 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
Free account
More of Arialys Therapeutics with a free account
  • ·Watch Arialys Therapeutics: the Monday email on marks, rounds and moves
Create free account
No card required

Membership and data by Private Market View

Arialys Therapeutics funding rounds

2 rounds
Jun 2025Early Stage VC$14.8MSEC filing▮
Nov 2022Early Stage VC$14.3MSEC filing▮

Arialys Therapeutics valuation

Arialys Therapeutics was valued at $112 million at its seed round in Jun 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

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.

About Arialys Therapeutics

Operator of a clinical-stage biotechnology company intended to pioneer new precision medicines for autoimmune neuropsychiatric diseases. The company specializes in the field of neuroscience and characterizes the nature and prevalence of pathogenic auto-antibody activity in the central nervous system converged network services, enabling clients to avail advanced breakthrough therapies for a variety of central nervous system disorders and treating neuropsychiatric disorders driven by autoimmune diseases.

Sector
Healthcare
HQ
La Jolla, CA, United States
Founded
2021
Employees
10
Ownership
Privately Held (backing)

Is this your company? Sign in with your work email to keep it current, or tell us what's wrong.