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Maritime Fusion

Maritime Fusion

Private
San Francisco, CaliforniaEnergy & Sustainabilityhttps://www.maritimefusion.com/

Last Round

Seed

Nov 24, 2025

Total Funding Raised

$5M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Maritime Fusion is an alternative energy equipment company that develops compact, ship-based fusion reactors using high-temperature superconducting tokamak technology to provide emission-free power for the commercial shipping and defense sectors.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Maritime & Shipping, Defense Tech, Clean Transportation

Business Model

B2B

Customer Profile

Data as a Service, Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

fusion energytokamak reactorhigh-temperature superconductingHTSmarine propulsioncompact fusionclean techshipping decarbonizationHTS cableoff-grid powerdefense technologydeep techfusion startuphard techzero-emission shipping

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Caplight Momentum Score

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Maritime Fusion Comparables

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Maritime Fusion comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
SEATOM Technologies
78%
CORE POWER
76%
Emerald Nuclear Inc.
76%

Maritime Fusion Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedNov 24, 2025
Pre SeedMar 13, 2025

Maritime Fusion Investors

Notable investors and investment history

Maritime Fusion investors
InvestorRounds
Y CombinatorPre Seed, Seed
Coughdrop CapitalPre Seed
Aera VCSeed
Trucks Venture CapitalSeed
Alumni VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Nov 24, 2025

    $5M raised in Seed round.

Maritime Fusion Filings

SEC and related filings with document metadata.

Data table
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Maritime Fusion Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSan Francisco, California
Employee Range4
Year Founded2024
Last FundingNov 24, 2025

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