Rockville, MD · Founded 2009 · In IPO Registration
X-Energy Inc is a leading developer of advanced SMR and fuel technology for clean energy generation. X-energy is based in Rockville, MD and was founded in 2009. It is valued at about $3.8 billion as of Oct 2026, set by institutional fund marks. It has raised $1.8 billion.
PMV mark · valuation
$3.8B
Oct 2026
Since last round
-45%
Total raised
$1.8B
Last round
—
Cap table — not yet on record
X-energy's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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The prices on X-energy
·Every dated print: 9 trades with prices and structures
·4 fund marks: filer, period, implied $/share
·1 investment vehicle formed around X-energy: sponsors, sizes, dates
