Carb-x is an accelerator. Team members are concentrated in Washington, District of Columbia, United States. Known portfolio companies include Visby Medical, Melio, Centauri Therapeutics, LimmaTech Biologics, Basilea Pharmaceutica and Seres Therapeutics, 11 companies in all.
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Investment focus
- Sector
- Healthcare
- Focus
- AntimicrobialsBiotechDiagnosticsDrug DiscoveryInfectious DiseaseMedTechPharmaVaccines
Contacts
Who to pitch at Carb-x
Carb-x portfolio companies (11)
- Visby Medical
- Melio
- Centauri Therapeutics
- LimmaTech Biologics
- Basilea Pharmaceutica
- Seres Therapeutics
- Baxiva
- Harvard
- Kinvard Bio
- Macro Biologics
- ProtonDx
Co-investors
Funds that share portfolio companies with Carb-x.
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About Carb-x
The firm's listing covers sector Healthcare, and focus areas Antimicrobials, Biotech, Diagnostics and Drug Discovery; known deals cluster at Pre-Seed and Seed.
The team counts 4 people in our database. Shakti Das (Investor), Colin McGoodwin (Investor) and Ruth Appleby (Investor) are shown as the contacts to pitch.
Carb-x shares portfolio companies with 18 other investment firms, among them Fiserv, Cedars-Sinai and Intuit.
Frequently asked questions
What is Carb-x?
Carb-x is an accelerator whose team is concentrated in Washington, District of Columbia, United States, with a known portfolio of 11 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 Carb-x invest in?
Listed sectors include Healthcare; listed focus areas include Antimicrobials, Biotech, Diagnostics and Drug Discovery. 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 Carb-x invest at?
The known deals of Carb-x include Pre-Seed 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 Carb-x?
3 of the 4 people on file at Carb-x are listed as contacts for the firm. All 4 have their own profile page.
How do I contact Carb-x?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 4 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