X-Energy

● Verified today Last updated: May 12, 2026 Data last verified: May 12, 2026

X-Energy: $3.5B valuation, IPO Readiness 54, Public. Filed S-1 with the SEC on March 2026 — IPO actively in progress. Track live on The IPO Stack.

PublicNuclear Energypublic
54
/100
IPO Readiness Score
Grade D — Early Stage
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
Track X-Energy →

X-Energy is a nuclear energy company developing small modular reactors (SMRs) and TRISO-X fuel. Amazon-backed and DOE-funded, filed S-1 with SEC on March 20 2026 targeting $1B raise on Nasdaq under ticker XE. Partners include Talen Energy, Dow Chemical, and Centrica.

Valuation
$3.5B
Total Funding
$1B+
Stage
Public
Sector
Nuclear Energy
Headquarters
Rockville, MD
CEO
Clay Sell
IPO Status
public
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Track X-Energy IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is X-Energy going public? +

X-Energy is already a public company trading under the ticker XE.

What is X-Energy's current valuation? +

X-Energy is valued at $3.5B as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in X-Energy before IPO? +

X-Energy is already a public company. You can invest by purchasing shares on public stock exchanges under the ticker symbol XE.

What is X-Energy's IPO Readiness Score? +

X-Energy scores 54/100 (Grade: D) 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.

Has X-Energy filed for an IPO? +

Yes — X-Energy filed an S-1 registration statement with the SEC on March 20, 2026, indicating an active IPO process.

How much total funding has X-Energy raised? +

X-Energy has raised $1B+ in total venture capital and private equity funding.

What sector is X-Energy in? +

X-Energy is a Nuclear Energy company. X-Energy is a nuclear energy company developing small modular reactors (SMRs) and TRISO-X fuel. Amazon-backed and DOE-fu.

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