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

Helion Energy is based in Everett, Washington. It has raised $1B in total funding. Latest round: Series G.

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.

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Company funding database · Investor directory · Founder database · Mega-rounds 2026