Alternative Energy Equipment · Everett, WA · Founded 2013 · Privately Held (backing)
Developer of a fusion energy technology designed to generate clean electricity through controlled nuclear fusion. Helion is based in Everett, WA and was founded in 2013. It was valued at $15 billion at its Series E in Nov 2021, the last priced event on record. It has raised $1 billion across 2 recorded rounds; the latest was a $500 million Series E in Nov 2021.
PMV mark · valuation
$15.0B
Oct 2026
Priced at
its Series E
Nov 2021
Total raised
$1.0B
Last round
Later Stage VC (Series E)
Nov 2021
Team — not yet on record
No current team members for Helion are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 25 names
·Watch Helion: the Monday email on marks, rounds and moves
