United States · Series B startup

Who invested in Buzzwire

2 rounds we have observed, with the 3 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

$12Mraised across 2 rounds since 2007, from 2 sources

$4.0MSeries A$8.0MSeries B
Latest round
Series B, $8.0MDec 2007
Step-upi
2×
Investors
3
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.

2008
$4.0MSeries A$8.0MSeries B
First round
Series A, $4.0M
Jul 2007
Biggest round
$8.0M
Series B · Dec 2007
Between rounds
5 months
from the last two

The rounds

  1. Dec 2007
  2. Jul 2007
    Series A$4.0M2 new

    Reported by moconews.net

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

Spark CapitalVC firm2rounds
Matrix PartnersVC firm2rounds

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

Quick answers about Buzzwire

Who invested in Buzzwire?

Buzzwire's investors include Spark Capital, Matrix Partners and Sequel Venture Partners.

How much has Buzzwire raised?

Buzzwire has raised $12M across 2 rounds since 2007.

When did Buzzwire last raise?

Buzzwire's most recent round was a Series B of $8.0M in Dec 2007.

What was Buzzwire's biggest round?

Its most recent round, $8.0M in Dec 2007, is also its largest on record.

Who backed Buzzwire first?

Buzzwire's first round on record, in Jul 2007, was backed by Spark Capital and Matrix Partners.

What stage is Buzzwire at?

Buzzwire's latest named round is a Series B, in Dec 2007.

Where is Buzzwire based?

Buzzwire is based in the United States.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.