fundraise receipt · ai
frontrun flagged Prosper AI 75 days before its $30M round
tl;dr: Prosper AI announced $30M on Aug 26, 2026, led by a16z. frontrun flagged the company on Jun 12, 2026, when it had 91 followers, 75 days before the announcement.
what Prosper AI raised
Prosper AI (@prosperai_hq · getprosper.ai) announced $30M on Aug 26, 2026, led by a16z. verified against getprosper.ai.
The AI platform that runs the entire patient journey Backed by a16z , Base10, Emergence and YC
how we knew 75 days early
frontrun watches the follow graphs of 2,000+ tracked venture investors on X. on Jun 12, 2026, tracked investors began following Prosper AI, which had 91 followers at the time. that convergence was logged that day. the round landed 75 days later.
8 tracked investors follow Prosper AI today, and the account has grown to 218 followers. that count is public. which investors they are, and the day each one followed, is what the product shows.
Prosper 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
AgentWeb $100M (75d early) · reactor $59M (76d early) · Sequent $1.4M (73d early) · KAST $80M (77d early) · River AI $1.1B (71d early)
data updated Oct 19, 2026 · Prosper AI signal page · every round we called early · trending this week