Andrew Feldman, co-founder and chief executive officer of Cerebras Systems Inc., holds the Wafer Scale Engine 3 AI chip during the company's initial public offering (IPO) at the Nasdaq MarketSite in New York, US, on Thursday, May 14, 2026.

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The tech billionaires club has two new members after Cerebras' blockbuster IPO lifted the chipmaker's market cap close to $100 billion.

Roughly a decade after starting Cerebras, Andrew Feldman, the company's CEO, and technology chief Sean Lie, own stakes worth $3.2 billion and $1.7 billion, respectively.

Cerebras shares soared 68% in their Nasdaq debut on Thursday, capping a remarkable rise for a company that withdrew its prior IPO filing seven months ago, opting instead to raise private capital.…