Helion Energy funding history

3 disclosed rounds · sourced from the FOBI roster

Total raised

$965M

Rounds tracked

Latest valuation

$5.4B

For subscribers

Per-round date, stage, amount, lead investors, and the full valuation curve.

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Date	Stage	Amount	Valuation	Lead investors
2025-01-28	Series F	$425M	$5.4B	Lightspeed Venture Partners, SoftBank Vision Fund 2
2021-11-05	Series E	$500M	$3B	Sam Altman
2020-09-01	Series D	$40M	$1.3B	Dustin Moskovitz