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Onyx Bio

Also known as Onyx

United StatesBiology data and toolsBerkeley, California, United StatesFounded 2025Private

Website · onyx.bio ↗

Runs paid, at-home research studies that measure the same people's immune systems over months and years (proteins, single-cell gene expression, metabolites, genetics) beside their clinical histories, processes every sample in its own Berkeley lab, and offers the data to biopharma and AI model developers as a 'virtual immune system'. Its first studies cover autoimmune disease and immune ageing.

Disclosed total$8M
Rounds on record1
Latest round$8MSeed · 2026-10-08
Last stated valuationNone stated
Investors named5
Research on recordNone yet

Money and evidence

Moneyeach round in US dollars; ≈ converted at its date$8M
Closed round

No research by this company is on the record yet.

Rounds and research, on one timeline

  1. 2026-10-08Seed
    Round

    $8M

    For: To grow the virtual immune system, its longitudinal immune dataset, and help researchers turn it into medicines.

    Data generation

    The company's launch post names Dimension Capital as lead and four other investors, adding 'and more' without naming them. No valuation. It says the company was started in early 2025.

    Lead · Dimension CapitalHaystackRefactor CapitalStandardRobot Ventures

    Announced by the company · onyx.bio ↗On the timeline →

Research entries are the timeline's graded entries that name this company. A level grades one claim, not the company, and a blank can mean the record has not caught up rather than that nothing was published.

See these rounds in the table →

Its investors also backed

Other companies on this page whose rounds name the same investor.