Who invested in EnergyWindow?
EnergyWindow's investors include Altira Group.
Who invested in EnergyWindow
One round we have observed, with the one investor 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 31 Oct 2026
$600Kraised across 1 round since 2003, from 1 source
- Latest round
- Series A, $600KAug 2003
- Investors
- 1
The rounds
- Aug 2003
The exit
ExitBuyerPriceWhen
AcquiredE SourceundisclosedJul 2008
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Everyone who backed them
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Quick answers about EnergyWindow
How much has EnergyWindow raised?
EnergyWindow has raised $600K across 1 round since 2003.
When did EnergyWindow last raise?
EnergyWindow's most recent round was a Series A of $600K in Aug 2003.
What was EnergyWindow's biggest round?
Its most recent round, $600K in Aug 2003, is also its largest on record.
Who backed EnergyWindow first?
EnergyWindow's first round on record, in Aug 2003, was backed by Altira Group.
What stage is EnergyWindow at?
EnergyWindow's latest named round is a Series A, in Aug 2003.
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