NewCleo
This company is in the pipeline of America 2030, IPO CLUB’s short-term, actively managed secondary fund focused on U.S. defense, energy, security, and AI.
Updated in January 2026
Headquarter: Paris, France
Year Founded: 2021
Leadership: Stefano Buono
Industry Sectors: Nuclear energy; Advanced nuclear reactors; Small Modular Reactors (SMRs); Clean energy
Funding Round: €300M Series D (2023)
Valuation: ~€1.5B
Is NewCleo A Public Company? No, it is currently private
What is NewCleo?
Newcleo is a European nuclear energy company founded in 2021 by Stefano Buono, with headquarters in Paris and operations across France, UK, Italy, and Switzerland. The company focuses on developing a new generation of advanced nuclear reactors designed to deliver clean, reliable energy while addressing long-standing challenges around nuclear waste. Newcleo’s mission is to enable a circular nuclear economy by producing power that is safer, more sustainable, and capable of reusing existing spent nuclear fuel.
Technology & Products
Newcleo is developing lead-cooled fast reactors (LFRs), a class of Generation IV nuclear reactors that use liquid lead as a coolant and operate with fast neutrons. This design enhances passive safety, reduces the risk of overheating, and allows reactors to consume recycled nuclear waste as fuel. The company’s roadmap includes small modular reactors (SMRs) for industrial and grid applications, as well as fuel recycling capabilities that convert existing spent fuel into usable energy. By integrating reactor design with fuel cycle management, Newcleo aims to deliver a closed-loop nuclear system with lower long-term environmental impact.
Market Opportunity
Newcleo operates in the growing advanced nuclear and clean energy market, driven by global demand for low-carbon, baseload power to support electrification and energy security. Its technology targets utilities, industrial energy users, and governments seeking alternatives to fossil fuels that complement intermittent renewables such as wind and solar. With many countries extending nuclear lifetimes and exploring next-generation reactors, Newcleo positions itself to benefit from policy support for energy independence, decarbonization, and waste reduction, particularly in Europe.
Competitive Landscape
Newcleo competes within the advanced reactor and SMR ecosystem, alongside other nuclear innovators developing fast reactors, molten salt reactors, and light-water SMRs. Its key differentiation is the combination of lead-cooled fast reactor technology and integrated waste recycling, which directly addresses nuclear waste liabilities while enhancing fuel efficiency. While competitors may focus primarily on power generation or modular deployment, Newcleo emphasizes a full-system approach that links energy production with long-term waste management.
How To Buy NewCleo Stock?
NewCleo is currently a private company and is not publicly traded on major stock exchanges like the NASDAQ or NYSE. This means you can buy shares through a pre-IPO platform or brokerage like IPO CLUB by becoming a FREE MEMBER.
Courtesy of NewCleo
This company is in the pipeline of America 2030, IPO CLUB’s short-term, actively managed secondary fund focused on U.S. defense, energy, security, and AI.
FAQ
Last updated:
How can I invest in NewCleo pre-IPO through IPO CLUB?
NewCleo access on IPO CLUB is typically offered to accredited investors via curated secondary allocations, including the America 2030 Fund and Single-Name SPVs.
- You need to qualify as an accredited investor to participate.
- Availability depends on secondary supply and seller willingness.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
Do you currently have access to NewCleo shares?
NewCleo availability on IPO CLUB can change and is generally limited to Single-Name SPVs.
- To check if NewCleo is currently on offer, register or log in to the IPO CLUB membership area and open Live Deals.
- Secondary allocations may open or close depending on seller participation.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
Is NewCleo publicly traded, and does it have a stock ticker?
NewCleo is private and does not have a public stock ticker, so IPO CLUB access (for accredited investors) is typically via curated secondary allocations like the America 2030 Fund and Single-Name SPVs.
- There is no public-market quote or ticker for NewCleo.
- Transactions, if available, are generally secondary and may be illiquid.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
When is the NewCleo IPO?
NewCleo has no confirmed IPO date, so IPO CLUB access for accredited investors is generally focused on curated secondary allocations through the America 2030 Fund and Single-Name SPVs.
- No IPO date is guaranteed or required for a secondary allocation.
- Timing can depend on market conditions and company decisions.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
What security types are typically used for NewCleo transactions on IPO CLUB?
NewCleo exposure on IPO CLUB is typically provided to accredited investors through structured vehicles such as the America 2030 Fund and Single-Name SPVs used for curated secondary allocations.
- Single-Name SPVs are commonly used to pool investor participation.
- Member exposure is to an interest in the relevant vehicle, not necessarily direct shares.
- Final structure can vary by allocation and seller terms.
What are the risks of buying NewCleo pre-IPO shares?
NewCleo pre-IPO investing can be illiquid and high-risk, and IPO CLUB access is limited to accredited investors via curated secondary allocations through the America 2030 Fund and Single-Name SPVs.
- Liquidity risk: you may not be able to sell quickly or at a desired price.
- Execution risk: transfers can be delayed or blocked by restrictions.
- Timing risk: there may be no IPO or liquidity event on a predictable schedule.
Why might a NewCleo allocation not be confirmed?
NewCleo allocations can fail to confirm due to limited secondary supply, transfer restrictions, or changing seller terms.
- Supply can be oversubscribed or withdrawn by sellers.
- Transfer approvals or documentation issues can prevent closing.
- Allocation sizing can change based on final secondary availability.
Introducing NewCleo
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The article summarizes each company’s jurisdiction, reactor technology, fuel type, development stage, and most recently disclosed valuation, based on publicly available information and industry disclosures as of 2024–2026.