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Paul Graham

Angel Investor

Co-founder of Y Combinator, prolific essayist, and angel investor with investments in Stripe, Replit, and other high-profile startups.

Paul Graham is headquartered in London, United Kingdom, has 26 recorded investments, and includes 26 companies in its recorded portfolio.

Pre-Seed
Seed
Early Stage
Artificial Intelligence
Fintech
Marketplace
SaaS
Developer Tools
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Headquarters
London, United Kingdom
Website
paulgraham.com
Portfolio Companies
26
Total Investments
26
Last Investment
Aug 2026
Geographic Focus
United States, Global

Indexed holds 26 portfolio companies and 26 funding rounds for this investor. The full record is or through the API.

Investment Thesis

Backs technical founders building ambitious technology companies that solve problems the founders personally experience. Believes the best startup ideas come from founders who are themselves the target users. Prioritizes founder quality and novel ideas over market size or conventional wisdom.

Paul Graham is an Angel Investor based in London, United Kingdom. It has made 26 investments, including Maritime Fusion, Boom Supersonic and Sim. Focus areas include Artificial Intelligence and Fintech.

Portfolio26

Co-investors24

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24 co-investors across 71 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×17 · Individual ×2 · Corporate VC ×2 · 47 shared rounds

Investment History

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Paul Graham on Indexed.vc
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