United States · 
Who invested in JouleX?
JouleX's investors include Target Partners, TechOperators, Intel Capital, Flybridge and Sigma Partners.
2011
$1.7MSeries A$17MSeries BUnited States · Series B startup
Who invested in JouleX
2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$19Mraised across 2 rounds since 2010, from 2 sources
$1.7MSeries A$17MSeries B
- Latest round
- Series B, $17MJun 2011
- Step-upi
- 10×
- Investors
- 5
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series A, $1.7M Apr 2010
- Biggest round
- $17M Series B · Jun 2011
- Between rounds
- 14 months from the last two
The rounds
- Jun 2011Series B$17M3 new2 returning
Reported by cnbc.comSEC filing: $17M sold, first sale Jun 2011
- Apr 2010
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about JouleX
How much has JouleX raised?
JouleX has raised $19M across 2 rounds since 2010.
When did JouleX last raise?
JouleX's most recent round was a Series B of $17M in Jun 2011.
What was JouleX's biggest round?
Its most recent round, $17M in Jun 2011, is also its largest on record.
Who backed JouleX first?
JouleX's first round on record, in Apr 2010, was backed by Target Partners and TechOperators.
What stage is JouleX at?
JouleX's latest named round is a Series B, in Jun 2011.
Where is JouleX based?
JouleX is based in the United States.
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