Portfolio Co Investors 2026 for Michael Rumiantsau: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Michael Rumiantsau covers 6 companies with a founder-verified check from Michael Rumiantsau, concentrated in SaaS, Cybersecurity, Healthtech. Round sizes are not disclosed for these companies, so this report lists the verified positions rather than dollar totals.