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Thorizon

Thorizon

Private
AmsterdamEnergy & Sustainabilityhttps://www.thorizon.com/

Last Round

Series A

Mar 12, 2025

Total Funding Raised

$50.51M

Company Overview

Thorizon is a clean energy company developing modular molten salt reactors that utilize nuclear waste to generate carbon-free energy.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Clean Manufacturing

Business Model

B2B

Customer Profile

Services & Consulting, Hardware Sales

AI Layer

Non-AI

Keywords

molten salt reactorMSRmodular nuclear reactorSMRadvanced nuclearindustrial heatbaseload powerclean energynuclear technologydecarbonizationnext-gen nuclearsmall modular reactornuclear innovationenergy infrastructuretechnology licensing

Historical Pricing

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Caplight Momentum Score

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Thorizon Comparables

Compare Thorizon with similar companies based on industry and business-model similarity.

Thorizon comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Copenhagen Atomics
90%
NAAREA
88%
Stellaria
86%

Thorizon Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMar 12, 2025
GrantMar 12, 2025
GrantMar 1, 2024
SeedAug 18, 2022

Key People

Founding team and executive leadership

Kiki Lauwers

CEO

Executive Team

Antoine Claisse

CTO, Director Safety and Licensing

Executive Team

Margriet Hooghiemstra

Chief Financial Officer

Executive Team

Laure Claquin

COO Director France

Executive Team

Thorizon Investors

Notable investors and investment history

Thorizon investors
InvestorRounds
Positron VenturesSeries A, Pre Seed, Seed
Invest-NLSeed, Series A
ROM InWestSeries A, Seed
Province of Noord-BrabantSeries A, Grant
Government of FranceGrant
Impuls ZeelandSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 20, 2026

    Monthly visitors increased 77% MoM.

  • Apr 1, 2026

    Partnering with NRG Pallas to operate the PIONEER nuclear demonstrator.

Recent news

Latest coverage and updates

  • partners_withOct 16, 2026

    Thorizon and TNO launch a materials and corrosion research programme in the Netherlands on Oct 14th '26 to generate evidence for qualifying molten salt reactor components, combining experimental testing with predictive modelling for the proposed PIONEER demonstrator and subsequent Thorizon One development.

  • partners_withOct 13, 2026

    On Oct 13th '26, Thorizon and Urenco USA enter a memorandum of understanding to assess enriched-uranium supply and depleted-uranium use for advanced molten salt reactors.

  • is_developingOct 13, 2026

    Thorizon aims to develop a low-pressure reactor that could make better use of nuclear materials, but the technology remains under development.

  • partners_withOct 8, 2026

    Thorizon and Urenco plan to explore cooperation on the advanced nuclear fuel cycle, including Urenco's potential role in the molten salt fuel supply chain and the use of depleted uranium as a fuel resource.

  • is_developingSep 3, 2026

    Thorizon is developing advanced small, modular salt reactor, the Thorizon One.

Thorizon Filings

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Thorizon filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Thorizon's valuation, stock price, and market status.

Is Thorizon a public or private company?

Thorizon is a private company.

What is the current stock price of Thorizon?

Thorizon is a private company, so its shares have no public market price. Caplight tracks Thorizon's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Thorizon worth (valuation)?

Valuation information for Thorizon is not publicly available.

Can I buy Thorizon stock?

Thorizon shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Thorizon's last funding round?

Thorizon's most recent funding round was Series A on March 12, 2025.

Who are the main investors in Thorizon?

Key investors in Thorizon include Positron Ventures, Invest-NL, ROM InWest.

Will Thorizon IPO soon?

No public IPO plans have been announced for Thorizon.

How can I track Thorizon secondary market activity?

Caplight tracks bids, offers, and trades in Thorizon's shares on secondary markets.

Firmographic Details

HeadquartersAmsterdam
Employee Range43
Year Founded2018
Last FundingMar 12, 2025

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