Commons Capital is a family office. Based in Needham, Massachusetts, United States. Among the 6 companies in the known portfolio are CodeRyte, Claros Diagnostics, Combinent Biomedical Systems, Protonex Technology Corporation, HistoRx and Passport Systems.
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Investment focus
Commons Capital portfolio companies (6)
- CodeRyte
- Claros Diagnostics
- Combinent Biomedical Systems
- Protonex Technology Corporation
- HistoRx
- Passport Systems
Co-investors
Funds that share portfolio companies with Commons Capital.
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About Commons Capital
The firm's listing covers sectors Climate, FinTech, Hardware and Healthcare, and focus areas Biotech, Clean Energy, Diagnostics and Healthcare Operations; known deals cluster at Growth, Seed and Series A.
Across the known portfolio, 3 co-investors appear alongside Commons Capital, including Solstice Capital, VIMAC Ventures and Parker Hannifin.
Frequently asked questions
What is Commons Capital?
Commons Capital is a family office based in Needham, Massachusetts, United States, with a known portfolio of 6 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 Commons Capital invest in?
Listed sectors include Climate, FinTech, Hardware and Healthcare; listed focus areas include Biotech, Clean Energy, Diagnostics and Healthcare Operations. 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 Commons Capital invest at?
The known deals of Commons Capital include Growth, Seed and Series A rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
How do I contact Commons Capital?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal