Fusion startups have pulled in $7.1 billion total, but the money is not spread evenly. A small cluster of companies has absorbed the bulk of that capital, while dozens of others compete for scraps. Commonwealth Fusion Systems leads the pack, having raised over $2 billion on the strength of its high-temperature superconducting magnet approach.
The list of companies crossing the $100 million threshold reveals a clear split in strategy. Some, like TAE Technologies and Helion Energy, are betting on alternative confinement methods far outside the tokamak mainstream. Helion, backed by $2.2 billion including a landmark power purchase agreement with Microsoft, is the one name here with a signed customer. That detail alone changes the conversation from science project to energy business.
The full piece is worth reading for the funding timelines, not just the totals. When each company raised, from whom, and at what stage tells you more about investor conviction than the headline numbers do. The next 36 months will determine whether this capital produced reactors or just presentations.
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