New Energy

Amazon-Backed X-Energy Climbs 27% After $1.02 Billion US IPO

X-Energy Inc. signage during the company's initial public offering (IPO) at the Nasdaq MarketSite in New York on April 24.Photographer: Michael Nagle/Bloomberg

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By Monique Mulima and Will Wade

April 24, 2026 at 4:51 PM UTC

Updated on

April 24, 2026 at 8:09 PM UTC

X-Energy Inc. shares closed 27% above their IPO price, after the nuclear energy firm raised $1.02 billion in an upsized US initial public offering.

Shares of the Rockville, Maryland-based company backed by Amazon.com Inc. ended their first trading session at $29.20 each on Friday, versus an IPO price of $23. The listing priced above the marketed $16 to $19 range.