United States · Series C startup

Who invested in AltoWeb

2 rounds we have observed, with the 4 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

$31Mraised across 2 rounds since 2000, from 2 sources

$15MSeries B$16MSeries C
Latest round
Series C, $16MFeb 2002
Investors
4
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.

200020012002
$15MSeries B$16MSeries C
First round
Series B, $15M
Jan 2000
Biggest round
$16M
Series C · Feb 2002
Between rounds
2.2 years
from the last two

The rounds

  1. Feb 2002
  2. Jan 2000
    Series B$15M

    No investor was named in the report.

    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

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

Quick answers about AltoWeb

Who invested in AltoWeb?

AltoWeb's investors include Norwest Venture Partners, Frank Caufield, Regis Management Company and Accenture Technology Ventures.

How much has AltoWeb raised?

AltoWeb has raised $31M across 2 rounds since 2000.

When did AltoWeb last raise?

AltoWeb's most recent round was a Series C of $16M in Feb 2002.

What was AltoWeb's biggest round?

Its most recent round, $16M in Feb 2002, is also its largest on record.

Who backed AltoWeb first?

AltoWeb's first round on record, in Feb 2002, was backed by Norwest Venture Partners, Frank Caufield and Regis Management Company and 1 others.

What stage is AltoWeb at?

AltoWeb's latest named round is a Series C, in Feb 2002.

Where is AltoWeb based?

AltoWeb is based in the United States.

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