C3 Ventures

Investment firm

C3 Ventures

Syndicate / Angel group

WebsiteCrunchbase profileSan Francisco·California·United States10known portfolio companies3people tracked16co-investors

C3 Ventures is a syndicate. Based in San Francisco, California, United States. Among the 10 companies in the known portfolio are Momentus, Modern Health, Sable, VenoStent, Shone and UBITS.

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Investment focus

Stage
Seed

Who to pitch at C3 Ventures

C3 Ventures portfolio companies (10)

  • Momentus
  • Modern Health
  • Sable
  • VenoStent
  • Shone
  • UBITS
  • FREY
  • Curebase
  • DailyDoctor
  • Givefront

Co-investors

Funds that share portfolio companies with C3 Ventures.

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About C3 Ventures

The firm's listing covers sectors FinTech, Hardware and Healthcare, and focus areas Digital Health, Healthcare Operations, MedTech and Robotics; known deals cluster at Seed.

John Jersin (Co-Founder), Erik Buchanan (Founder and Partner) and Ben McCann (Entrepreneur. Investor) are listed as the contacts to pitch at C3 Ventures.

C3 Ventures shares portfolio companies with 16 other investment firms, among them Lerner Enterprises, Creative Ventures and Columbia University Technology Management.

Frequently asked questions

What is C3 Ventures?

C3 Ventures is a syndicate based in San Francisco, California, United States, with a known portfolio of 10 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 C3 Ventures invest in?

Listed sectors include FinTech, Hardware and Healthcare; listed focus areas include Digital Health, Healthcare Operations, MedTech and Robotics. 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 C3 Ventures invest at?

The known deals of C3 Ventures include 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 C3 Ventures?

All 3 people on file at C3 Ventures are listed as contacts for the firm, each with their own profile page.

How do I contact C3 Ventures?

Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 3 people attached to the firm have their own pages, each showing 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