Top Fusion Companies by Funding

The Fusion Report's running ranking of private fusion energy companies by total disclosed funding. Helion Energy moves to the #2 position with $1.5 billion in total funding, bringing the tracker to $11.4 billion across 24 companies. The current list includes full investor details and website links for every company. Refreshed June 5, 2026.

Premium Content – The Fusion Report Pro Members Only

This is part of our premium content library available exclusively to pro subscribers. Subscribe now to get instant access to this content and other premium resources including:

Why subscribe?
Unlock expert analysis, insider insights, and exclusive updates that keep you at the cutting edge of fusion energy. Our members support independent journalism and get full access to every report, article, and premium feature for as low as $4.99/mo.

 Already a member? Log in here.

Not a member yet? Join now to get instant access.