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Inertia Enterprises

Inertia Enterprises

Private
Livermore, CaliforniaEnergy & Sustainabilityhttps://inertia.com/

Last Round

Series A

Feb 11, 2026

Total Funding Raised

$450M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Inertia Enterprises is a fusion energy company commercializing laser-based inertial confinement fusion technology to deliver grid-scale clean energy.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Clean Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

fusion energyinertial confinement fusionfusion power plantclean energylaser fusionfusion fuel targetsbaseload powerdeep techfusion startupgrid-scale energyhigh-power laserclean techenergy infrastructureclimate tech

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Caplight Momentum Score

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Inertia Enterprises Comparables

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Inertia Enterprises comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Longview Fusion Energy Systems
91%
Blue Laser Fusion
87%
Xcimer Energy Corporation
86%

Inertia Enterprises Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AFeb 11, 2026

Key People

Founding team and executive leadership

Mike Dunne

Co-Founder, CTO, And SVP (Fusion Power)

Founding Team

Inertia Enterprises Investors

Notable investors and investment history

Inertia Enterprises investors
InvestorRounds
Uncork CapitalSeries A
NeoSeries A
Threshold VenturesSeries A
GVSeries A
Modern CapitalSeries A
Long Journey VenturesSeries A
WndrCoSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 13, 2026

    Open roles increased to 39, 91% of headcount.

  • Jun 15, 2026

    Open roles increased from 0 to 16, representing 123% of headcount.

Inertia Enterprises Filings

SEC and related filings with document metadata.

Data table
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Inertia Enterprises Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersLivermore, California
Employee Range43
Year Founded2024
Last FundingFeb 11, 2026

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