Prominex is a corporate venture arm and venture capital firm. Based in San Diego, California, United States. The known portfolio counts 20 companies, including HistoSonics, Artera, Moon Surgical, ONL Therapeutics, EpiBiologics and TRex Bio.
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Investment focus
- Sector
- HardwareHealthcare
Who to pitch at Prominex
Prominex portfolio companies (20)
- HistoSonics
- Artera
- Moon Surgical
- ONL Therapeutics
- EpiBiologics
- TRex Bio
- Prana Thoracic
- Distalmotion
- Glyphic Biotechnologies
- Link Cell Therapies
- Mestag Therapeutics
- Cellular Origins
- PAQ Therapeutics
- Stylus Medicine
- AmacaThera
- Manus Neurodynamica
- Prazer Therapeutics
- Cara Care
- MedCrypt
- Nucleome Therapeutics
Co-investors
Funds that share portfolio companies with Prominex.
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About Prominex
The firm's listing covers sectors Hardware and Healthcare, and focus areas Biotech, Diagnostics, Digital Health and Life Science; known deals cluster at Growth, Late-Stage and Seed.
The contact to approach at Prominex is Paul Thomas (Chief Executive Officer).
Across the known portfolio, 20 co-investors appear alongside Prominex, including Polaris Partners, Samsara BioCapital and SV Health Investors' Dementia Discovery Fund (DDF).
Frequently asked questions
What is Prominex?
Prominex is a corporate venture arm and venture capital firm based in San Diego, California, United States, with a known portfolio of 20 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Prominex invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Biotech, Diagnostics, Digital Health and Life Science. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Prominex invest at?
The known deals of Prominex include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Prominex?
One person at Prominex is on file, listed as a contact for the firm, with their own profile page.
How do I contact Prominex?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The one person attached to the firm has their own page, which shows whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal