Portfolio Co Investors 2026 for Spark Capital: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Spark Capital accounts for 105 tracked companies with verified cap-table data, 105 of which disclose round sizes totalling $24B. The median disclosed raise is $117M, and the largest is MessageBird at $1.8B, ahead of Talkspace ($1.5B) and Affirm ($1.5B).
The names that recur most often on these co-invested cap tables are Spark Capital (105 companies), Andreessen Horowitz (11 companies), General Catalyst (10 companies), Sequoia Capital (9 companies), Accel (8 companies), Greylock (6 companies). By latest disclosed round, the market skews Series B (34), Series A (24), Series C (15), Series D (8).
Companies tracked: 105
Disclosed funding total: $24B across 105 companies
Median disclosed raise: $117M
Largest raise: MessageBird — $1.8B
Stage mix: Series B 34 · Series A 24 · Series C 15 · Series D 8
