United States · Venture startup

Who invested in Attune

4 rounds we have observed, with the 13 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.

Developer Tools

Funding summaryUpdated 26 Oct 2026

$4.3Mraised across 4 rounds since 2014, from 4 sources

$2.0MSeed$150KSeed$2.2MSeed
Latest round
VentureJun 2025
Biggest round
$2.2MSeed · Jan 2024
Investors
13
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.

201420162018202020222024
$2.0MSeed$150KSeed$2.2MSeed?Venture
First round
Seed, $2.0M
Feb 2014
Biggest round
$2.2M
Seed · Jan 2024
Usual gap between rounds
4.6 years
the median of 3

The rounds

  1. Jun 2025
    VentureAmount undisclosed1 new

    Source recorded

  2. Jan 2024
    Seed$2.2M

    No investor was named in the report.

    Source recorded

  3. Jun 2019
  4. Feb 2014

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

Y CombinatorAccelerator1round
Google VenturesCorporate VC1round
Partech VenturesVC firm1round
Forum VenturesVC firm1round
Naval RavikantVC firm1round
Harrison MetalVC firm1round
Blu VenturesVC firm1round
Tekton VenturesVC firm1round
AAF Management Ltd.VC firm1round
Sandy Cassno record of our own yet1round

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

Also claim to have backed them

This firm lists Attune as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Genoa VenturesVC firmPer its own site

Quick answers about Attune

Who invested in Attune?

Attune's investors include Y Combinator, Google Ventures, Partech Ventures, Western Technology Investment and Forum Ventures, and 8 more on record.

How much has Attune raised?

Attune has raised $4.3M across 4 rounds since 2014. One round did not disclose an amount, so the total is a floor.

When did Attune last raise?

Attune's most recent round was a Venture in Jun 2025.

What was Attune's biggest round?

Attune's largest round on record is $2.2M (Seed), in Jan 2024.

Who backed Attune first?

Attune's first round on record, in Feb 2014, was backed by Google Ventures, Partech Ventures and Western Technology Investment and 5 others.

What stage is Attune at?

Attune's latest named round is a Venture, in Jun 2025.

Where is Attune based?

Attune is based in the United States.

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