United States · Venture startup

Who invested in Alphion

3 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.

Telecoms

Funding summaryUpdated 26 Oct 2026

$35Mraised across 3 rounds since 2005, from 3 sources

$12MSeries C$13MSeries E$10MVenture
Latest round
Venture, $10MJan 2010
Biggest round
$13MSeries E · Jun 2008
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.

20062007200820092010
$12MSeries C$13MSeries E$10MVenture
First round
Series C, $12M
Sept 2005
Biggest round
$13M
Series E · Jun 2008
Usual gap between rounds
2.8 years
the median of 2

The rounds

  1. Jan 2010
    Venture$10M

    No investor was named in the report.

    Reported by sec.govSEC filing: $10M sold, first sale Dec 2009

  2. Jun 2008
    Series E$13M1 returning

    From a historical funding record

  3. Sept 2005

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

Tallwood Venture CapitalGrowth equity2rounds
Goldman SachsPrivate equity1round
Axiom VenturesGrowth equity1round

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

Quick answers about Alphion

Who invested in Alphion?

Alphion's investors include Tallwood Venture Capital, Goldman Sachs, Axiom Ventures, ICCP Venture Partners and Narra Venture Capital.

How much has Alphion raised?

Alphion has raised $35M across 3 rounds since 2005.

When did Alphion last raise?

Alphion's most recent round was a Venture of $10M in Jan 2010.

What was Alphion's biggest round?

Alphion's largest round on record is $13M (Series E), in Jun 2008.

Who backed Alphion first?

Alphion's first round on record, in Sept 2005, was backed by Goldman Sachs, Tallwood Venture Capital and Axiom Ventures and 2 others.

What stage is Alphion at?

Alphion's latest named round is a Venture, in Jan 2010.

Where is Alphion based?

Alphion is based in the United States.

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