Stock Markets April 23, 2026 08:30 PM

X-Energy Prices Upsized IPO at $1.02 Billion as Markets Rebound

Amazon-backed small modular reactor developer sells 44.3 million shares at $23 each, will list on Nasdaq as XE

By Avery Klein AMZN
X-Energy Prices Upsized IPO at $1.02 Billion as Markets Rebound
AMZN

On April 23, X-Energy, a Rockville, Maryland-based developer of small modular nuclear reactors backed by Amazon, raised $1.02 billion in an upsized U.S. initial public offering. The company sold 44.3 million shares at $23 apiece, above the marketed $16 to $19 range, and will begin trading on the Nasdaq under the symbol XE.

Key Points

  • X-Energy raised $1.02 billion by selling 44.3 million shares at $23 each in an upsized IPO; shares priced above the marketed $16 to $19 range.
  • The company develops small modular reactor technology including the Xe-100 helium-cooled reactor and produces fuel for advanced nuclear systems, sectors relevant to energy and industrial markets.
  • Amazon invested about $500 million in X-Energy in 2024 to help deploy SMR technology to support its AI and cloud data center power needs; major banks led the offering and the company will list on Nasdaq as XE.

On April 23 X-Energy, the Maryland-based firm focused on small modular reactor (SMR) technology and advanced nuclear fuel manufacturing, completed an upsized initial public offering that raised $1.02 billion. The company sold 44.3 million shares at $23 per share, pricing above the previously marketed range of $16 to $19 a share. X-Energy will begin trading on the Nasdaq under the ticker symbol "XE" on Friday.

The IPO arrived as investor demand has recovered following a brief market slowdown in March driven by volatility tied to tensions in the Middle East and a broader technology selloff. With markets trading near record highs and risk appetite improving, several companies have moved to access public-market capital more aggressively.

Interest in nuclear power has increased alongside rising electricity requirements, notably from hyperscalers that operate energy-intensive AI and cloud infrastructure. X-Energy, founded in 2009, develops SMR designs intended to be smaller and more cost-efficient than conventional large-scale reactors, which typically require extended construction timelines. The company is advancing its Xe-100 reactor, a design that uses helium as a coolant instead of water, and also manufactures fuel for advanced nuclear systems.

Amazon invested about $500 million in X-Energy in 2024 to support deployment of the company’s SMR technology as the cloud and AI operator seeks dependable, carbon-free power for its expanding data center footprint.

X-Energy had earlier pursued a public listing through a planned merger with a blank-check entity backed by Ares Management in 2023, but subsequently abandoned that route, citing unfavorable market conditions at the time.

J.P. Morgan, Morgan Stanley, Jefferies, and Moelis served as the lead joint book-running managers for the offering.


ProPicks AI note included with the offering information: A separate section accompanying the coverage asked whether an investor should place $2,000 into AMZN, and described ProPicks AI as evaluating Amazon alongside thousands of companies each month using more than 100 financial metrics. The note states the AI uses those metrics to identify opportunities based on fundamentals, momentum, and valuation, and references notable past winners cited by the tool, including Super Micro Computer (+185%) and AppLovin (+157%).

Risks

  • Market volatility affected X-Energy’s earlier plan to go public via a blank-check firm in 2023, illustrating that unfavorable market conditions can disrupt capital-raising efforts - this impacts equity markets and issuers.
  • Macro and geopolitical-driven periods of volatility, such as March’s selloff tied to Middle East tensions, can damp investor appetite and delay or alter deal structures, affecting technology and energy issuers.
  • The long lead times and cost dynamics of nuclear projects mean deployment and commercialization timelines can be extended, creating execution and capital intensity risks for the nuclear and infrastructure sectors.

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