Onyx Bio
PrivateLast Round
Seed
Feb 13, 2026
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Onyx Bio operates in Healthcare & Life Sciences and is based in Berkeley, California. It was founded in 2024.
Onyx Bio is a biotechnology company that builds a virtual immune system to accelerate and de-risk the development of precision medicines by integrating multiomics data with longitudinal patient records.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Precision Medicine, Medical AI
Business Model
B2B
Customer Profile
Data as a Service, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Onyx Bio Comparables
Compare Onyx Bio with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| MyImmune Corporation | 85% | |
| Valinor Discovery | 83% | |
| Immunai | 82% |
For institutional investors. Book with your work email.
Onyx Bio Funding Rounds
Historical fundraising activity
For institutional investors. Book with your work email.
Key People
Founding team and executive leadership
For institutional investors. Book with your work email.
Onyx Bio Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Refactor Capital | Seed |
| Haystack | Seed |
| Robot Ventures | Seed |
| Dimension Capital | Seed |
| Dimension | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 27, 2026
Grew 50% QoQ, from 6 to 9 employees.
- Jul 25, 2026
Monthly visitors increased 32% MoM.
For institutional investors. Book with your work email.
Recent news
Latest coverage and updates
- receives_financingOct 10, 2026
onyx receives an $8M Seed round led by Dimension Capital on Oct 8th '26 to expand its immune-research model and support researchers developing medicines.
For institutional investors. Book with your work email.
Onyx Bio Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Book a demoFor institutional investors. Book with your work email.
Frequently Asked Questions
Common questions about Onyx Bio's valuation, stock price, and market status.
Is Onyx Bio a public or private company?
Onyx Bio is a private company.
What is the current stock price of Onyx Bio?
Onyx Bio is a private company, so its shares have no public market price. Caplight tracks Onyx Bio's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Onyx Bio worth (valuation)?
Valuation information for Onyx Bio is not publicly available.
Can I buy Onyx Bio stock?
Onyx Bio shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Onyx Bio's last funding round?
Onyx Bio's most recent funding round was Seed on February 13, 2026.
Who are the main investors in Onyx Bio?
Key investors in Onyx Bio include Dimension Capital, Dimension.
Will Onyx Bio IPO soon?
No public IPO plans have been announced for Onyx Bio.
How can I track Onyx Bio secondary market activity?
Caplight tracks bids, offers, and trades in Onyx Bio's shares on secondary markets.