United States · 
How much has Sion Power raised?
Sion Power has raised $50M across 1 round since 2011.
United States · Venture startup
Who invested in Sion Power
One round we have observed, with the 0 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 5 Nov 2026
$50Mraised across 1 round since 2011, from 1 source
- Latest round
- Venture, $50MDec 2011
- Investors
- 0
The rounds
- Dec 2011Venture$50M
No investor was named in the report.
Reported by greentechmedia.comSEC filing: $50M sold, first sale Dec 2011
Also claim to have backed them
This firm lists Sion Power as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Sion Power
When did Sion Power last raise?
Sion Power's most recent round was a Venture of $50M in Dec 2011.
What was Sion Power's biggest round?
Its most recent round, $50M in Dec 2011, is also its largest on record.
What stage is Sion Power at?
Sion Power's latest named round is a Venture, in Dec 2011.
Where is Sion Power based?
Sion Power is based in the United States.
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