United States · Series B startup

Who invested in ColdWatt

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 7 Nov 2026

$32Mraised across 2 rounds since 2005, from 2 sources

$16MSeries A$16MSeries B
Latest round
Series B, $16MJan 2006
Investors
5
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.

2006
$16MSeries A$16MSeries B
First round
Series A, $16M
Mar 2005
Biggest round
$16M
Series B · Jan 2006
Between rounds
10 months
from the last two

The rounds

  1. Jan 2006
  2. Mar 2005
    Series A$16M3 new

    From a historical funding record

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

Matrix PartnersVC firm2rounds
Austin VenturesVC firm2rounds
GTI Capital GroupVC firm2rounds
RRE VenturesVC firm1round

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

Quick answers about ColdWatt

Who invested in ColdWatt?

ColdWatt's investors include Matrix Partners, Austin Ventures, GTI Capital Group, RRE Ventures and Global Technology Investments.

How much has ColdWatt raised?

ColdWatt has raised $32M across 2 rounds since 2005.

When did ColdWatt last raise?

ColdWatt's most recent round was a Series B of $16M in Jan 2006.

What was ColdWatt's biggest round?

Its most recent round, $16M in Jan 2006, is also its largest on record.

Who backed ColdWatt first?

ColdWatt's first round on record, in Mar 2005, was backed by Matrix Partners, Austin Ventures and GTI Capital Group.

What stage is ColdWatt at?

ColdWatt's latest named round is a Series B, in Jan 2006.

Where is ColdWatt based?

ColdWatt is based in the United States.

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