fundraise receipt · space
frontrun flagged cesiumastro 241 days before its $730M Series D round
tl;dr: cesiumastro announced $730M Series D on Nov 5, 2026, led by Janus Henderson. frontrun flagged the company on Mar 9, 2026, 241 days before the announcement.
what cesiumastro raised
cesiumastro (@cesiumastro · cesiumastro.com) announced $730M Series D on Nov 5, 2026, led by Janus Henderson, with participation from Insight Partners, Sands Capital, Sumitomo Corporation of Americas, Woven Capital - Toyota's Growth Fund, Incharge Capital, Magnetar, AV, NewSpace Capital. verified against cesiumastro.com.
Connect. Detect. Defend.
how we knew 241 days early
frontrun watches the follow graphs of 5,000+ tracked accounts on X. on Mar 9, 2026, tracked investors began following cesiumastro. that convergence was logged that day. the round landed 241 days later.
4 tracked investors follow cesiumastro today, and the account has grown to 1,320 followers. that count is public. which investors they are, and the day each one followed, is what the product shows.
cesiumastro 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
Daytona $60M (246d early) · appliedcompute $350M (257d early) · QFEX $9.5M (225d early) · Recursive $650M (220d early) · frontrun $45M (216d early)
data updated Nov 9, 2026 · cesiumastro signal page · every round we called early · trending this week