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Renaissance Fusion

Renaissance Fusion

Private
FontaineEnergy & Sustainabilityhttps://renfusion.eu/

Last Round

Series A

Mar 6, 2025

Total Funding Raised

$76.93M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Renaissance Fusion is a deep-tech company that develops commercial fusion energy through stellarator technology, utilizing proprietary High-Temperature Superconducting (HTS) magnets and liquid metal shields.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Advanced Materials

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

nuclear fusionstellaratorfusion energyhigh-temperature superconductorHTSfusion reactorclean energyliquid metal wallsuperconducting magnetsdeep techfusion powerplasma-facing componentsHTS tapescompact fusionfusion startup

Historical Pricing

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Caplight Momentum Score

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Renaissance Fusion Comparables

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Renaissance Fusion comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Type One Energy Group
87%
Proxima Fusion
85%
Thea Energy
84%

Renaissance Fusion Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AMar 6, 2025
GrantNov 30, 2023
SeedJan 26, 2023
SeedMay 27, 2022
Pre SeedJun 21, 2021

Key People

Founding team and executive leadership

Philippe Lamotte

Chief Financial Officer

Executive Team

Renaissance Fusion Investors

Notable investors and investment history

Renaissance Fusion investors
InvestorRounds
Positron VenturesSeed
Crédit Mutuel ImpactSeries A
Unruly CapitalSeed, Pre Seed
Lowercarbon CapitalSeries A, Seed
HCVCSeed
Norrsken VCSeed
Excellis HoldingSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 18, 2026

    Monthly visitors grew 89% MoM, reaching 6.1K.

  • Mar 27, 2025

    Partnering with Laboratoire Hubert Curien on laser processing of HTS.

Renaissance Fusion Filings

SEC and related filings with document metadata.

Data table
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Renaissance Fusion Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersFontaine
Employee Range102
Year Founded2020
Last FundingMar 6, 2025

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