United States · 
Who invested in SustainX?
SustainX's investors include General Catalyst and GE Energy Financial Services.
20102011
$4.0MVenture$14MVenture$5.6MVentureUnited States · Venture startup
Who invested in SustainX
3 rounds we have observed, with the 2 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
$24Mraised across 3 rounds since 2009, from 3 sources
$4.0MVenture$14MVenture$5.6MVenture
- Latest round
- Venture, $5.6MMay 2011
- Biggest round
- $14MVenture · Mar 2011
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $4.0M Aug 2009
- Biggest round
- $14M Venture · Mar 2011
- Usual gap between rounds
- 19 months the median of 2
The rounds
- May 2011
- Mar 2011Venture$14M1 new
Reported by gigaom.comSEC filing: $14M sold, first sale Mar 2011
- Aug 2009Venture$4.0M
No investor was named in the report.
Reported by masshightech.comSEC filing: $4.0M sold, first sale Aug 2009
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.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about SustainX
How much has SustainX raised?
SustainX has raised $24M across 3 rounds since 2009.
When did SustainX last raise?
SustainX's most recent round was a Venture of $5.6M in May 2011.
What was SustainX's biggest round?
SustainX's largest round on record is $14M (Venture), in Mar 2011.
Who backed SustainX first?
SustainX's first round on record, in Mar 2011, was backed by GE Energy Financial Services.
What stage is SustainX at?
SustainX's latest named round is a Venture, in May 2011.
Where is SustainX based?
SustainX is based in the United States.
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