fundraise receipt · hardware
frontrun flagged lepton 60 days before its $10M round
tl;dr: lepton announced $10M on Oct 15, 2026. frontrun flagged the company on Aug 16, 2026, when it had 190 followers, 60 days before the announcement.
what lepton raised
lepton (@metalscontent · massmagnetics.com) announced $10M on Oct 15, 2026. verified against x.com.
Eric Silver YC S26 | Building the ASML of magnetic metallurgy in Columbus, Indiana. | Greentown Labs, MA | https://t.co/VV3ie7AQNX
how we knew 60 days early
frontrun watches the follow graphs of 5,000+ tracked accounts on X. on Aug 16, 2026, tracked investors began following lepton, which had 190 followers at the time. that convergence was logged that day. the round landed 60 days later.
9 tracked investors follow lepton today, and the account has grown to 334 followers. that count is public. which investors they are, and the day each one followed, is what the product shows.
lepton 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
Maglut Heavy Industries $3.1M (59d early) · Swarm Aero $10M (61d early) · intelligence_ai $7.9M (59d early) · River AI $1.1B (62d early) · Sail Research $80M (62d early)
data updated Nov 9, 2026 · lepton signal page · every round we called early · trending this week