United States · Growth startup

Who invested in Stion

4 rounds we have observed, with the 7 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.

ManufacturingCleantech

Funding summaryUpdated 31 Oct 2026

$220Mraised across 4 rounds since 2007, from 4 sources

$15MSeries B$50MGrowth$130MGrowth$25MGrowth
Latest round
Growth, $25MDec 2012
Biggest round
$130MGrowth · Dec 2011
Investors
7
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20082009201020112012
$15MSeries B$50MGrowth$130MGrowth$25MGrowth
First round
Series B, $15M
Jun 2007
Biggest round
$130M
Growth · Dec 2011
Usual gap between rounds
18 months
the median of 3

The rounds

  1. Dec 2012
    Growth$25M3 returning

    Reported by bizjournals.comSEC filing: $25M sold, first sale Oct 2012

  2. Dec 2011
    Growth$130M2 new4 returning

    Reported by finsmes.comSEC filing: $100M sold, first sale Dec 2011

  3. Jun 2010
    Growth$50M1 new
    • TSMC

    Reported by earth2tech.com

  4. Jun 2007

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

Khosla VenturesVC firm3rounds
General CatalystVC firm2rounds
VentureTech AllianceGrowth equity1round
AVACOGrowth equity1round
TSMCno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Stion

Who invested in Stion?

Stion's investors include Lightspeed Venture Partners, Khosla Ventures, Braemar Energy Ventures, General Catalyst and VentureTech Alliance, and 2 more on record.

How much has Stion raised?

Stion has raised $220M across 4 rounds since 2007.

When did Stion last raise?

Stion's most recent round was a Growth of $25M in Dec 2012.

What was Stion's biggest round?

Stion's largest round on record is $130M (Growth), in Dec 2011.

Who backed Stion first?

Stion's first round on record, in Jun 2007, was backed by General Catalyst, Lightspeed Venture Partners and Khosla Ventures and 1 others.

What stage is Stion at?

Stion's latest named round is a Growth, in Dec 2012.

Where is Stion based?

Stion is based in the United States.

Companies like Stion

In the same sector, and raised in the last eighteen months.

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