NuCube Energy
PrivateLast Round
M&A
Jun 25, 2026
Est. Valuation
$625M
Total Funding Raised
$13M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
NuCube Energy is a CleanTech company developing a high-temperature modular microreactor designed to provide both electricity and industrial heat.
Sector
Energy & Sustainability
Verticals
Smart Grid, Energy Management, Smart Manufacturing, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Data as a Service
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
NuCube Energy Comparables
Compare NuCube Energy with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| NANO Nuclear Energy | 86% | |
| Brookfield Infrastructure Finance ULC | 82% | |
| Aalo Atomics | 82% | |
NuCube Energy Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| M&A | Jun 25, 2026 | ||||
| Seed | Feb 19, 2026 | ||||
| Accelerator | Jul 16, 2025 | ||||
| Seed | Jul 13, 2025 |
Key People
Founding team and executive leadership
NuCube Energy Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Emissions Reduction Corp. | Seed |
| Halliburton Labs | Accelerator |
| Shell GameChanger | Seed |
| Arizona Nuclear Ventures | Seed |
| Hennessy Capital Group | M&A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 3, 2026
Open roles increased to 6, 3x the trailing average.
- Aug 1, 2026
Grew 36% QoQ, from 11 to 15 employees.
NuCube 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 NuCube Energy's valuation, stock price, and market status.