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Nuclear reactor company X-energy shares surge 27% as AI drives interest in its IPO

Advanced nuclear reactor company X-energy began trading Friday as the AI boom and electrification broadly spark a flurry of interest in the nuclear industry.

Nuclear reactor company X-energy shares surge 27% as AI drives interest in its IPO

TL;DR

  • X-energy's stock price increased by 27% on its first trading day, closing at $29.20.
  • The company raised over $1 billion through its IPO, pricing shares at $23, which was above the initial range.
  • This IPO is the largest on record for a nuclear company.
  • X-energy's xe-100 reactor is a 80 MW high-temperature gas-cooled reactor capable of industrial applications.
  • The company has an order pipeline of over 11 gigawatts through partnerships with Amazon, Dow, and Centrica.
  • X-energy's business model focuses on licensing its technology and selling nuclear fuel, rather than owning and operating plants.
  • A construction permit application for a project in Seadrift, Texas, was submitted in March 2025.
  • X-energy is working with Amazon to deploy 5 gigawatts across the U.S. by 2039.