entity Updated 2026-07-23 Tags: Company, Investment, Hard-Tech, Climate

Capricorn Investment Group

Capricorn Investment Group appears in David Kirtley, Founder & CEO of Helion Energy as the lead investor for Helion’s Series B. David Kirtley uses the investor story to explain why long-term investor fit matters when a company is building Commercial Fusion Power instead of chasing faster side revenue.

The source links Capricorn to Deep-Tech Product Focus because Kirtley says supportive long-term investors give him room to reject tempting markets such as helium-3 sales when those markets do not solve Helion’s core electricity mission.

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