Copenhagen Atomics
PrivateLast Round
Early Funding
May 13, 2026
Est. Valuation
$700M
Total Funding Raised
$2.9M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Copenhagen Atomics operates in Energy & Sustainability and is based in Denmark. Its latest recorded funding round was a Grant round in July 2025.
Copenhagen Atomics is a clean energy company developing mass-manufacturable thorium-based molten salt reactors for clean energy production.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Alternative Fuels, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Hardware + Subscription, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Copenhagen Atomics Comparables
Compare Copenhagen Atomics with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Saltfoss Energy | 86% | |
| Thorizon | 84% | |
| Moltex Energy | 83% |
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Copenhagen Atomics Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | May 13, 2026 | ||||
| Grant | Jul 2, 2025 | ||||
| VC Round | Jun 30, 2025 | ||||
| VC Round | Jan 6, 2023 |
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Key People
Founding team and executive leadership
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Copenhagen Atomics Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| European Innovation Council Fund | Grant |
| Nucleation Capital | VC Round |
| Spectrum Impact | VC Round |
| T&W Medical | VC Round |
| EIC Fund | VC Round |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 1, 2026
Grew 69% QoQ, from 36 to 61 employees.
- Aug 12, 2026
Company nearing completion of a functional thorium molten salt reactor.
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Recent news
Latest coverage and updates
- expands_facilitiesNov 4, 2026
On Nov 4th '26, Copenhagen Atomics A/S collaborates with Urenco to design and build a dedicated UF6-to-UF4 deconversion facility in Denmark.
- expands_facilitiesNov 4, 2026
On Nov 4th '26, Copenhagen Atomics A/S and Urenco sign an MoU to collaborate on developing a UF6-to-UF4 uranium deconversion facility at Copenhagen Atomics A/S's fuel facility in Denmark.
- partners_withNov 4, 2026
On Nov 4th '26, Copenhagen Atomics A/S and Urenco Limited collaborate under an MoU to design a UF6-to-UF4 deconversion facility at Copenhagen Atomics A/S's fuel facility in Denmark.
- is_developingSep 7, 2026
Copenhagen Atomics A/S is developing the modular molten salt reactor concept called "Onion Core," in which liquid salts carry nuclear fuel and transfer heat.
- is_developingSep 7, 2026
Copenhagen Atomics A/S cooperates with Tenmak to evaluate and develop the fourth-generation modular molten salt reactor technology known as the "bulbous core," which can use thorium as fuel, in Turkey on Sep 7th '26.
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Copenhagen Atomics Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Copenhagen Atomics's valuation, stock price, and market status.
Is Copenhagen Atomics a public or private company?
Copenhagen Atomics is a private company.
What is the current stock price of Copenhagen Atomics?
Copenhagen Atomics is a private company, so its shares have no public market price. Caplight tracks Copenhagen Atomics's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Copenhagen Atomics worth (valuation)?
Copenhagen Atomics's valuation is estimated at $700.0M based on funding round data.
Can I buy Copenhagen Atomics stock?
Copenhagen Atomics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Copenhagen Atomics's last funding round?
Copenhagen Atomics's most recent funding round was Early Funding on May 13, 2026.
Who are the main investors in Copenhagen Atomics?
Key investors in Copenhagen Atomics include European Innovation Council Fund, EIC Fund.
Will Copenhagen Atomics IPO soon?
No public IPO plans have been announced for Copenhagen Atomics.
How can I track Copenhagen Atomics secondary market activity?
Caplight tracks bids, offers, and trades in Copenhagen Atomics's shares on secondary markets.