United States · 
Who invested in Mozilla?
Mozilla's investors include Mitch Kapor and AOL.
20042005
$2.0MVenture$300KSeedUnited States · Seed startup
Who invested in Mozilla
2 rounds we have observed, with the 2 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
$2.3Mraised across 2 rounds since 2003, from 2 sources
$2.0MVenture$300KSeed
- Latest round
- Seed, $300KJan 2005
- Biggest round
- $2.0MVenture · Jul 2003
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $2.0M Jul 2003
- Biggest round
- $2.0M Venture · Jul 2003
- Between rounds
- 18 months from the last two
The rounds
- Jan 2005
- Jul 2003
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
Mitch KaporAngel1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 10 firms list Mozilla 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.
Quick answers about Mozilla
How much has Mozilla raised?
Mozilla has raised $2.3M across 2 rounds since 2003.
When did Mozilla last raise?
Mozilla's most recent round was a Seed of $300K in Jan 2005.
What was Mozilla's biggest round?
Mozilla's largest round on record is $2.0M (Venture), in Jul 2003.
Who backed Mozilla first?
Mozilla's first round on record, in Jul 2003, was backed by AOL.
What stage is Mozilla at?
Mozilla's latest named round is a Seed, in Jan 2005.
Where is Mozilla based?
Mozilla is based in the United States.
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