United States · Growth startup
Funding summaryUpdated 26 Oct 2026
$253Mraised across 6 rounds since 2005, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
Reported by bizjournals.comSEC filing: $19M sold, first sale Jun 2013
Reported by bizjournals.comSEC filing: $85M sold, first sale Sept 2011
No investor was named in the report.
Reported by gigaom.comSEC filing: $8.5M sold, first sale Jan 2011
No investor was named in the report.
Reported by earth2tech.comSEC filing: $32M sold, first sale Feb 2009
From the SEC filings it signed: 2 on the team.
On the board, as filediArno J. PenziasDong S. KimHenri Soo ArifJune Soo LeePerry Soo HaTim Soo Costello
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
New Enterprise Associates
Morgan Stanley Investment Management
Paladin Capital GroupSequel Venture Partners
Passport Capital
NoventiMasdar Clean Tech Fund
SK Holdings
Abengoa SolarMissing a round, or an investor who was in one? Tell us.
HelioVolt's investors include New Enterprise Associates, Morgan Stanley Investment Management, Paladin Capital Group, Sequel Venture Partners and Passport Capital, and 4 more on record.
HelioVolt has raised $253M across 6 rounds since 2005.
HelioVolt's most recent round was a Growth of $19M in Aug 2013.
HelioVolt's largest round on record is $101M (Series B), in Aug 2007.
HelioVolt's first round on record, in Jun 2005, was backed by New Enterprise Associates.
HelioVolt's latest named round is a Growth, in Aug 2013.
HelioVolt is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
