Adam Niewinski

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

Adam Niewinski covers 6 companies with a founder-verified check from Adam Niewinski, concentrated in Climate. Round sizes are not disclosed for these companies, so this report lists the verified positions rather than dollar totals.

Adam Niewinski — verified positions

Adam Niewinski — related firms and companies (56)

Adam Niewinski profile · All research reports