On Friday, April 24, 2026, X-energy hit Nasdaq as XE after pricing an upsized IPO at $23 a share, raising about $1.02 billion, and the stock jumped roughly 31% in its debut, briefly valuing the company near $11.9 billion.
investing.com This blew up because the market is suddenly treating advanced nuclear like AI infrastructure: if data centers are going to gorge on power, reactor developers are no longer a weird science project, they are a picks-and-shovels trade.
investing.com Amazon is the accelerant, not a side character—X-energy’s prospectus shows Amazon holding about a quarter of the company after the offering, and the two companies have public plans targeting more than 5 gigawatts of new nuclear projects in the U.S. by 2039.
sec.gov Ken Griffin got pulled into the attention vortex too, because the prospectus ties a roughly 6% post-IPO block to XERC Holdings LLC, whose sole member is GFNCI LLC, where Griffin owns a controlling interest.
sec.gov People care right now because this is the cleanest, loudest version yet of the “AI needs baseload power” bet—except X-energy is still racing to deploy its Xe-100 reactors, even as its TRISO-X subsidiary recently cleared a major NRC fuel-licensing milestone.
investing.com
Make Amazon look like it same-day delivered a mini reactor to a starving AI server farm and let the absurdity do the selling. ([sec.gov](https://www.sec.gov/Archives/edgar/data/2088896/000110465926045175/tm2527015-19_s1a.htm))