Fusion Energy Startup Helion Raises $465 Million, Nearly Tripling Valuation to $15.5 Billion

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Helion, a fusion energy startup, raised $465 million in a Series G round led by Thrive Capital, valuing the company at $15.5 billion.

The new financing nearly triples Helion's valuation from its January 2025 raise, marking a sharp increase since the company's last funding round.

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@techmeme

Fusion energy startup Helion raised a $465M Series G led by Thrive Capital, at a $15.5B valuation, nearly tripling the valuation from its January 2025 raise (@tdechant / TechCrunch) (Visit Techmeme dot com for the link and full context!)

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