Nuclear Reactor Developer X-energy Files for IPO
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Nuclear Reactor Developer X-energy Files for IPO

The small modular reactor developer plans to list on the Nasdaq under the symbol XE.

3/21/2026
Ali Abounasr El Alaoui
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X-Energy, Inc., a prominent developer of advanced nuclear reactor technology, has officially announced its intention to become a publicly traded company. The Rockville-based firm submitted a draft registration statement on Form S-1 with the U.S. Securities and Exchange Commission for a proposed initial public offering. X-energy plans to list its Class A common stock on the Nasdaq Global Select Market under the ticker symbol "XE."


A Strategic Move Towards Public Markets

This filing marks a significant step in the company's growth strategy, formalizing its plans to access public capital markets for future expansion. While the number of shares and the proposed price range have not yet been disclosed, the move aligns with previous statements from company leadership about pursuing a traditional IPO. The offering's completion is contingent upon the SEC's review process and favorable market conditions, representing a pivotal moment for the firm.

Underwriting and Financial Backing

A consortium of high-profile financial institutions is managing the proposed offering, signaling strong market confidence in X-energy's potential. J.P. Morgan, Morgan Stanley, Jefferies, and Moelis & Company are serving as the lead joint book-running managers for the deal. Additional firms, including Cantor Fitzgerald and UBS Investment Bank, are also listed as joint bookrunners, providing robust support for the transaction.

Navigating the Regulatory Process

The company has enlisted experienced legal counsel to navigate the complex regulatory landscape of a public listing. Latham & Watkins LLP is advising on the Nasdaq listing, while Skadden, Arps, Slate, Meagher & Flom LLP is representing the underwriters. The proposed offering will be made exclusively through a prospectus, which will be available from the lead managers once finalized.

Company Profile and Technology

Founded in 2009, X-energy specializes in designing and developing advanced small modular reactors (SMRs) and proprietary nuclear fuel. Its flagship product, the Xe-100, is a high-temperature gas-cooled reactor designed for enhanced safety, efficiency, and scalability. The company's technology aims to provide clean, reliable energy for a wide range of applications, from electricity generation to industrial heat processes.

Business Model and Financials

X-energy's business model focuses on licensing its innovative reactor designs and manufacturing the specialized fuel required for their operation. This approach is intended to make nuclear power more accessible and cost-effective compared to conventional large-scale nuclear plants. For the twelve months ending December 31, 2025, the company reported revenues of $109 million, demonstrating its growing commercial traction.

Market Context and Industry Support

The move toward an IPO comes amid growing political and corporate support for nuclear energy as a critical tool for decarbonization. X-energy has already secured significant private investment, including a substantial round led by Amazon's Climate Pledge Fund in 2024. This partnership includes plans for Amazon to deploy four Xe-100 reactors to help power its energy-intensive data centers in the early 2030s.

Powering the Digital Economy

This backing from a major technology company underscores the increasing demand for clean, baseload power to support the digital economy. The development of SMRs is seen as a key solution for meeting this demand quickly and with a smaller environmental footprint. X-energy's public offering aims to capitalize on this momentum, funding the scaled production and deployment of its advanced nuclear systems.


X-energy's filing for an initial public offering represents a critical milestone for both the company and the broader advanced nuclear industry. This strategic move is poised to unlock significant capital, accelerating the commercialization of its SMR technology and strengthening its market position. A successful IPO would not only fuel X-energy's growth but also signal a new era of investment in nuclear power as a cornerstone of the global clean energy transition.