United States · Who invested in Ausra?
Ausra's investors include Khosla Ventures, Kleiner Perkins Caufield & Byers, KERN Partners, Starfish Ventures and Vinod Khosla, and 2 more on record.
20082009
$43MSeries A$30MDebt$25MSeries C$26MSeries DUnited States · Series D startup
Who invested in Ausra
Funding summaryUpdated 26 Oct 2026
$123Mraised across 4 rounds since 2007, from 4 sources
$43MSeries A$30MDebt$25MSeries C$26MSeries D
- Latest round
- Series D, $26MApr 2009
- Biggest round
- $43MSeries A · Sept 2007
- Investors
- 7
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, $43M Sept 2007
- Biggest round
- $43M Series A · Sept 2007
- Usual gap between rounds
- 6 months the median of 3
The rounds
- Apr 2009Series D$26M2 new3 returning
Reported by solarindustrymag.comSEC filing: $8.0M sold, first sale Apr 2009
- Aug 2008Series C$25M1 new2 returning
Reported by bizjournals.com
- Feb 2008
- Sept 2007Series A$43M4 new
Reported by ausra.com
Founders and team
From the SEC filings it signed: 3 on the team.
- David MillsExecutive Officer, Directori
- Debra OlsonExecutive Officeri
- Robert E FishmanExecutive Officer, Directori
On the board, as filediBenjamin MontoyaJohannes NieuwenburgRay LaneVinod Khosla
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.
Series A2007Debt2008Series C2008Series D2009
Khosla Ventures
Kleiner Perkins Caufield & ByersKERN Partners
Starfish VenturesVinod Khosla
Generation PartnersRay Lane
Khosla VenturesKleiner Perkins Caufield & ByersKERN PartnersStarfish VenturesVinod KhoslaGeneration PartnersRay LaneThe exit
ExitBuyerPriceWhen
AcquiredAREVA IncundisclosedFeb 2010
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 Ausra
How much has Ausra raised?
Ausra has raised $123M across 4 rounds since 2007.
When did Ausra last raise?
Ausra's most recent round was a Series D of $26M in Apr 2009.
What was Ausra's biggest round?
Ausra's largest round on record is $43M (Series A), in Sept 2007.
Who backed Ausra first?
Ausra's first round on record, in Sept 2007, was backed by Khosla Ventures, Kleiner Perkins Caufield & Byers and Vinod Khosla and 1 others.
What stage is Ausra at?
Ausra's latest named round is a Series D, in Apr 2009.
Where is Ausra based?
Ausra is based in the United States.
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