United States · Venture startup

Who invested in Fortinet

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

$80Mraised across 2 rounds since 2003, from 2 sources

$30MSeries D$50MVenture
Latest round
Venture, $50MMar 2004
Step-upi
1.7×
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.

2004
$30MSeries D$50MVenture
First round
Series D, $30M
Aug 2003
Biggest round
$50M
Venture · Mar 2004
Between rounds
6 months
from the last two

The rounds

  1. Mar 2004
    Venture$50M2 new2 returning

    From a historical funding record

  2. Aug 2003
    Series D$30M2 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.

The exit

ExitListingPriceWhen
IPONASDAQ:FTNT$156MNov 2009

From historical deal records. Wrong? Tell us.

Everyone who backed them

RedpointVC firm2rounds
DEFTA PartnersVC firm1round
Acorn CampusGrowth equity1round

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

Also claim to have backed them

These 2 firms list Fortinet as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Rembrandt Venture PartnersVC firmPer its own site
360networksGrowth equityPer its own site

Quick answers about Fortinet

Who invested in Fortinet?

Fortinet's investors include Redpoint, Meritech Capital Partners, DEFTA Partners and Acorn Campus.

How much has Fortinet raised?

Fortinet has raised $80M across 2 rounds since 2003.

When did Fortinet last raise?

Fortinet's most recent round was a Venture of $50M in Mar 2004.

What was Fortinet's biggest round?

Its most recent round, $50M in Mar 2004, is also its largest on record.

Who backed Fortinet first?

Fortinet's first round on record, in Aug 2003, was backed by Redpoint and Meritech Capital Partners.

What stage is Fortinet at?

Fortinet's latest named round is a Venture, in Mar 2004.

Where is Fortinet based?

Fortinet is based in the United States.

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