Posted by Alumni from Crunchbase
April 25, 2026
We're not talking about confidential filings either. Sure, they signal serious intent and contain valuable information for regulators. But for the rest of us, it's the public S-1 filing that signifies an IPO is actually imminent. By this latter measure, the past few weeks have been pretty busy for venture-backed startups. Cerebras Systems, the designer of speedy AI inference chips, filed publicly last week for an offering expected to raise around $2 billion. The Silicon Valley company, which withdrew plans for an IPO last fall, is reportedly seeking a valuation upwards of $35 billion this time around. Another, albeit smaller, contender is nuclear power startup X-energy, which is making its debut today. The Rockville, Maryland-based company priced shares at $23 each late Thursday, above the projected range, raising around $1 billion. Shares closed up 27% in first-day trading Friday. Meanwhile, on the geothermal power front, Fervo Energy is also looking to take its clean energy... learn more