X Energy
PrivateLast Round
Series D
Nov 24, 2025
Total Funding Raised
$1.87B
Momentum Score
50 /100
Company Overview
X Energy is a clean energy company specializing in advanced small modular reactor (SMR) and fuel technology aimed at transforming the nuclear energy sector with its innovative Xe-100 reactor, which offers enhanced safety, cost-effectiveness, and versatility in energy generation.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials, Clean Manufacturing, Defense Tech
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
X Energy Comps
Public and private peers based on sector, stage, and business model.
X Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series D | Nov 24, 2025 | ||||
| Series C Extension | Feb 6, 2025 | ||||
| Series C | Dec 5, 2023 | ||||
| Grant | Aug 23, 2022 | ||||
| Series B | Oct 1, 2021 | ||||
Grant | Oct 14, 2020 |
Key People
Founding team and executive leadership
X Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Jane Street | Series C Extension, Series D |
| Corner Capital | Series D |
| University of Michigan | Series C Extension |
| Reaves Asset Management | Series D |
| Corner Capital Management | Series D |
| NGP Energy Capital | Series C Extension, Series D |
| Galvanize Climate Solutions | Series D |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 23, 2026
Developing the Xe-100 SMR, capable of producing 80 megawatts of electricity.
- Mar 22, 2026
Letter of intent signed with Talen Energy for joint reactor development in Pennsylvania.
X Energy Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about X Energy's valuation, stock price, and market status.
