Portfolio Companies 2026 for Y Combinator: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Y Combinator accounts for 271 tracked companies with verified cap-table data, 271 of which disclose round sizes totalling $48B. The median disclosed raise is $83M, and the largest is EquipmentShare at $3.2B, ahead of Zepto ($1.9B) and MessageBird ($1.8B).
The names that recur most often on these portfolio cap tables are Y Combinator (271 companies), General Catalyst (22 companies), Khosla Ventures (22 companies), Sequoia Capital (21 companies), Accel (20 companies), Andreessen Horowitz (19 companies). By latest disclosed round, the market skews Series B (96), Series A (50), Series C (41), Seed (18).
Companies tracked: 271
Disclosed funding total: $48B across 271 companies
Median disclosed raise: $83M
Largest raise: EquipmentShare — $3.2B
Stage mix: Series B 96 · Series A 50 · Series C 41 · Seed 18
