Portfolio Co Investors 2026 for Sigma Prime Ventures: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Sigma Prime Ventures accounts for 3 tracked companies with verified cap-table data, 3 of which disclose round sizes totalling $385M. The median disclosed raise is $131M, and the largest is Ceros at $131M, ahead of Phenom ($131M) and aPriori Technologies ($123M).
The names that recur most often on these co-invested cap tables are Sigma Prime Ventures (3 companies), Vinay Kumar (1 company), John Avirett (1 company), Avenir (1 company), Grotech Ventures (1 company), Kickstart Fund (1 company). By latest disclosed round, the market skews Other Equity (1), Series D (1), Series A (1).