TLDR
- X-Energy secured $1 billion through its Nasdaq IPO, finishing 27% higher than its IPO price on day one
- Major investors include Amazon and Ken Griffin, founder of Citadel
- Shares climbed an additional ~16% during Monday’s premarket session
- Friday’s closing bell placed the company’s market capitalization at $11.6 billion
- The firm generated $109.3 million in revenue for 2025 while recording a $390 million net loss
X-Energy (XE), the nuclear power firm with Amazon (AMZN) among its investors, delivered an impressive Nasdaq entrance on Friday, finishing the session 27% higher than its IPO price following a $1 billion capital raise in its public offering.
X-Energy, Inc. Class A Common Stock, XE
The momentum extended into the next trading week, with shares advancing approximately 16% during Monday’s premarket hours. This combined movement represents a substantial gain above the IPO price in less than two complete trading days.
The nuclear technology company structured its IPO to generate $1 billion in proceeds, attracting investment from Amazon alongside Ken Griffin, the founder of Citadel hedge fund. When Friday’s trading concluded, X-Energy commanded an $11.6 billion market capitalization.
X-Energy deploys modular nuclear reactor technology to deliver electricity to industrial operations and data center facilities. Its customer portfolio features names like Dow, Inc. and Amazon.
The firm enters a growing roster of nuclear and energy companies aligning themselves with AI infrastructure requirements. Competitors in this sector include Oklo (OKLO) and Fermi (FRMI), though both experienced declines on Monday, falling 7.15% and 9.04% respectively.
Amazon’s investment connects to its requirement for dependable, carbon-neutral power sources for AWS data center operations. With AI computational loads expanding within these facilities, energy procurement has evolved into a critical operational priority for the tech giant.
Revenue and Losses
X-Energy generated $109.3 million in revenue during 2025. The company simultaneously recorded a $390 million net loss for the period, characteristic of the developmental phase associated with constructing nuclear reactor systems.
The firm’s modular reactor platform remains in scaling mode, and achieving profitability hinges significantly on obtaining and delivering long-duration energy agreements with enterprise clients such as Amazon.
A Crowded but Hungry Market
The artificial intelligence expansion has driven energy consumption forecasts dramatically upward, positioning nuclear power as a prominent candidate solution due to its consistent output and minimal carbon emissions.
X-Energy’s public market entrance introduces a fresh ticker to this emerging investment theme, distinguished by an established commercial partnership with a leading global cloud infrastructure provider.
Amazon’s financial participation enhances market confidence, though it simultaneously introduces questions regarding revenue dependency should the Amazon relationship constitute a disproportionate share of future income streams.
The stock’s robust opening performance indicates continued investor enthusiasm for the nuclear-AI energy narrative, despite weakness among certain industry peers on Monday.
During Monday’s premarket trading session, XE shares advanced roughly 16%, extending Friday’s impressive 27% debut-day performance.
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