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Inertia is a commercial fusion energy company.

Inertia is commercializing fusion energy using proven ignition science from LLNL with mass-produced lasers and fuel targets.

SeedClimateSan Francisco, CA

Last round

Series A

Feb 2026

Stage

Seed

Status

Active

Founders & team

Co-founder, CEO

Co-founder, CTO

Head of Engineering

Head of Sales

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Web traffic

Search interest

Social followers

Glassdoor rating

News mentions

Gov contracts

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About this data

FlareSight surfaces funding data from SEC Form D filings within hours of submission. Browse our full startup funding database to find more recently funded companies.