Portfolio Companies 2026 for William Mcquillan: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
William Mcquillan covers 5 companies with a founder-verified check from William Mcquillan, concentrated in Cybersecurity, Fintech. Round sizes are not disclosed for these companies, so this report lists the verified positions rather than dollar totals.