fundraise receipt · ai
frontrun flagged River AI 71 days before its $1.1B strategic round
tl;dr: River AI announced $1.1B strategic on Aug 20, 2026. frontrun flagged the company on Jun 10, 2026, when it had 412 followers, 71 days before the announcement.
what River AI raised
River AI (@river_ai_inc · river.ai) announced $1.1B strategic on Aug 20, 2026. verified against x.com.
Creating personal AI owned and shaped by each individual.
how we knew 71 days early
frontrun watches the follow graphs of 2,000+ tracked venture investors on X. on Jun 10, 2026, tracked investors began following River AI, which had 412 followers at the time. that convergence was logged that day. the round landed 71 days later.
70 tracked investors follow River AI today, and the account has grown to 9,283 followers. that count is public. which investors they are, and the day each one followed, is what the product shows.
River AI already raised. see the companies getting the same investor convergence right now, before their round. start a 7-day free trial →
other rounds we called early
Augustus $180M (71d early) · CRSHMARKET $1M (70d early) · Sequent $1.4M (73d early) · Chai Discovery $400M (69d early) · Prosper AI $30M (75d early)
data updated Oct 19, 2026 · River AI signal page · every round we called early · trending this week