United States · Venture startup

Who invested in Attune Systems

2 rounds we have observed, with the 8 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

$18Mraised across 2 rounds since 2006, from 2 sources

$4.0MSeries B$14MVenture
Latest round
Venture, $14MNov 2006
Step-upi
3.5×
Investors
8
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.

2007
$4.0MSeries B$14MVenture
First round
Series B, $4.0M
Jun 2006
Biggest round
$14M
Venture · Nov 2006
Between rounds
5 months
from the last two

The rounds

  1. Nov 2006
  2. Jun 2006
    Series B$4.0M4 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.

Everyone who backed them

Alloy VenturesVC firm2rounds
Rock Creek CapitalPrivate equity2rounds
Allegis CapitalVC firm1round
Shea VenturesVC firm1round
RWI VenturesVC firm1round
GF Private Equity GroupInstitutional LP1round
QTV CapitalVC firm1round
Quicksilver VenturesGrowth equity1round

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

Quick answers about Attune Systems

Who invested in Attune Systems?

Attune Systems's investors include Alloy Ventures, Rock Creek Capital, Allegis Capital, Shea Ventures and RWI Ventures, and 3 more on record.

How much has Attune Systems raised?

Attune Systems has raised $18M across 2 rounds since 2006.

When did Attune Systems last raise?

Attune Systems's most recent round was a Venture of $14M in Nov 2006.

What was Attune Systems's biggest round?

Its most recent round, $14M in Nov 2006, is also its largest on record.

Who backed Attune Systems first?

Attune Systems's first round on record, in Jun 2006, was backed by Alloy Ventures, Allegis Capital and Rock Creek Capital and 1 others.

What stage is Attune Systems at?

Attune Systems's latest named round is a Venture, in Nov 2006.

Where is Attune Systems based?

Attune Systems is based in the United States.

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