Portfolio Co Investors 2026 for Atomic: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
Atomic accounts for 6 tracked companies with verified cap-table data, 6 of which disclose round sizes totalling $623M. The median disclosed raise is $137M, and the largest is Found at $206M, ahead of Exowatt ($140M) and OpenStore ($137M).
The names that recur most often on these co-invested cap tables are Atomic (6 companies), Venrock (2 companies), Laurence A. Tosi (1 company), Fidji Simo (1 company), Julia Taylor Cheek (1 company), Able Partners (1 company). By latest disclosed round, the market skews Series B (3), Series A (3).