Portfolio Co Investors 2026 for Day One Ventures: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Day One Ventures accounts for 7 tracked companies with verified cap-table data, 7 of which disclose round sizes totalling $1.4B. The median disclosed raise is $100M, and the largest is You.com at $650M, ahead of Unybrands ($325M) and Owner ($179M).
The names that recur most often on these co-invested cap tables are Day One Ventures (7 companies), GV (2 companies), Greycroft (2 companies), AlleyCorp (2 companies), Cox Enterprises (1 company), Nvidia (1 company). By latest disclosed round, the market skews Series A (3), Series B (2), Series C (1), Seed (1).