Portfolio Companies 2026 for Mark Cuban: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Mark Cuban accounts for 24 tracked companies with verified cap-table data, 24 of which disclose round sizes totalling $4.5B. The median disclosed raise is $78M, and the largest is Relativity Media at $1.4B, ahead of Advanced Machine Intelligence ($1B) and Biolinq ($300M).
The names that recur most often on these portfolio cap tables are Mark Cuban (24 companies), Playground Global (2 companies), Social Capital (2 companies), NVIDIA (2 companies), Y Combinator (2 companies), Pantera Capital (2 companies). By latest disclosed round, the market skews Series B (9), Series A (5), Seed (2), Series C (2).
Companies tracked: 24
Disclosed funding total: $4.5B across 24 companies
Median disclosed raise: $78M
Largest raise: Relativity Media — $1.4B
Stage mix: Series B 9 · Series A 5 · Seed 2 · Series C 2
