Marc Andreessen

Portfolio Co Investors 2026 for Marc Andreessen: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Marc Andreessen covers 9 companies with a founder-verified check from Marc Andreessen, concentrated in AI Infrastructure, Healthtech, Robotics. Round sizes are not disclosed for these companies, so this report lists the verified positions rather than dollar totals.

Marc Andreessen — verified positions

Marc Andreessen — related firms and companies (56)

Marc Andreessen profile · All research reports