Who has invested in Helion Energy?

Thrive Capital, SoftBank Vision Fund 2, Light Speed Venture Partners, Mithril Capital are named among the investors backing Helion Energy.

Helion Energy Funding: $1B Raised, Series G (2026)

Helion Energy funding overview

Helion Energy is based in Everett, Washington. Helion Energy has raised $1B in total disclosed funding. That places its disclosed total in over $1B. Its most recent disclosed round is a Series G announced in June 2026. The round record for Helion Energy runs through 2026; nothing later has been disclosed. Investors on record include Thrive Capital, SoftBank Vision Fund 2, Light Speed Venture Partners, Mithril Capital. 4 distinct backers are named across the disclosed rounds.

Helion Energy at a glance

Total raised: $1B
Latest round: Series G
Latest round date: June 2026
Headquarters: Everett, Washington
Notable investors: Thrive Capital, SoftBank Vision Fund 2, Light Speed Venture Partners, Mithril Capital

Frequently asked about Helion Energy funding

How much has Helion Energy raised?: Helion Energy has raised $1B in total disclosed funding across the rounds on record.
Who has invested in Helion Energy?: Thrive Capital, SoftBank Vision Fund 2, Light Speed Venture Partners, Mithril Capital are named among the investors backing Helion Energy.
What was the latest Helion Energy funding round?: The most recent disclosed round is a Series G, announced in June 2026.
Where is Helion Energy based?: Helion Energy is based in Everett, Washington.
When did Helion Energy last raise?: The last disclosed Helion Energy round closed in June 2026 at Series G.

We update the Helion Energy record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in Everett and their backers are listed below.

Helion Energy Funding: $1B Raised, Series G (2026)

Helion Energy funding overview

Helion Energy at a glance

Frequently asked about Helion Energy funding

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