X-Energy: $7.5B valuation, IPO Readiness 58, Public. Filed S-1 with the SEC on June 2026 — IPO actively in progress. Track live on The IPO Stack.
X-Energy is a publicly traded nuclear energy company. IPOd April 23, 2026 at approximately $7.5B valuation. The company is the leading US developer of small modular reactors (SMRs). Amazon is a key backer.
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Top companies most likely to IPO in 2026, ranked by IPO Readiness Score.
Track X-Energy IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.
X-Energy is already a public company.
X-Energy is valued at $7.5B as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.
X-Energy is already a public company. You can invest by purchasing shares on public stock exchanges.
X-Energy scores 58/100 (Grade: C) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.
Yes — X-Energy filed an S-1 registration statement with the SEC on June 10, 2026, indicating an active IPO process.
X-Energy has raised $2.1B+ in total venture capital and private equity funding.
X-Energy is a Nuclear Energy company. X-Energy is a publicly traded nuclear energy company. IPOd April 23, 2026 at approximately $7.5B valuation. The company .