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Tokamak Energy

Tokamak Energy

Private
AbingdonEnergy & Sustainabilityhttps://tokamakenergy.com

Last Round

Grant

Nov 20, 2024

Est. Valuation

$620,000

Total Funding Raised

$223.88M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Tokamak Energy operates in Energy & Sustainability and is based in Abingdon. Its latest recorded funding round was a Grant round in June 2024.

Tokamak Energy is a clean-tech company that develops commercial fusion power module devices and high-temperature superconducting (HTS) magnet technology for energy and industrial applications.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Advanced Materials

Business Model

B2B

Customer Profile

Government Contracts, Hardware Sales

AI Layer

Application

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

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Tokamak Energy Comparables

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

Tokamak Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Commonwealth Fusion Systems
84%
General Fusion
82%
Type One Energy Group
81%
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Tokamak Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantNov 20, 2024
GrantJun 6, 2024
StrategicJan 18, 2024
Series CNov 20, 2023
GrantMay 31, 2023
Series B
Jan 20, 2020
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Secondary Market Activity

Bids, offers, and trades by month

Data table
OperationDatePriceSizeShare ClassStructure
OFFER

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Key People

Founding team and executive leadership

Warrick Matthews

Managing Director and Chief Commercial Officer

Executive Team

Itxaso Ariza

Chief Technology Officer

Executive Team

Anita Breslin

Chief Financial Officer & Executive Director

Executive Team

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Tokamak Energy Investors

Notable investors and investment history

Tokamak Energy investors
InvestorRounds
Future Planet Capital RegionalSeries B, Seed
UK governmentGrant
Legal & General CapitalVC Round, Series A, Series C
LingottoGrant, Series C
Legal & General GroupSeries A, Series B, Seed
East AlphaSeries C, Grant
British Patient CapitalGrant
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Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 29, 2026

    Grew from over 180 to over 300 employees.

  • Jun 29, 2026

    £70M contract for Magnet Systems Partner on STEP Fusion programme.

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Recent news

Latest coverage and updates

  • receives_financingSep 17, 2026

    Tokamak Energy Ltd. reports $212M in total funding across five rounds—one Seed, two Early-Stage, one Late-Stage and one Grant (prize money) round—as of Sep '26.

  • partners_withAug 7, 2026

    Tokamak Energy Ltd. and Energy work together to advance the science and technology needed for future fusion power plants using Tokamak Energy Ltd.'s fusion machine in the United Kingdom.

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Tokamak Energy Filings

Explore SEC and related filing metadata, where available.

Tokamak Energy filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

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

Is Tokamak Energy a public or private company?

Tokamak Energy is a private company.

What is the current stock price of Tokamak Energy?

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

How much is Tokamak Energy worth (valuation)?

Tokamak Energy's valuation is estimated at $620.0K based on funding round data.

Can I buy Tokamak Energy stock?

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

When was Tokamak Energy's last funding round?

Tokamak Energy's most recent funding round was Grant on November 20, 2024.

Who are the main investors in Tokamak Energy?

Key investors in Tokamak Energy include Future Planet Capital Regional, Lingotto, Legal & General Group, East Alpha, UK Innovation & Science Seed Fund.

Will Tokamak Energy IPO soon?

No public IPO plans have been announced for Tokamak Energy.

How can I track Tokamak Energy secondary market activity?

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

Firmographic Details

HeadquartersAbingdon
Employee Range223
Year Founded2009
Last FundingNov 20, 2024

Institutional Data Access

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