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...
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