Series B startup

Who invested in Common Room

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI

Funding summaryUpdated 26 Oct 2026

$32Mraised across 1 round since 2021, from 1 source

Latest round
Series B, $32MApr 2021
Investors
4
See who backed them
Common RoomArtificial intelligence (AI)1 / 12Their pitch deckCommon Room's pitch deck, 12 slidesEach slide read for what it argues, against the decks that raised at the same stage.

The rounds

  1. Apr 2021

Everyone who backed them

Index VenturesVC firm1round
GreylockVC firm1round
Play VenturesVC firm1round

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

Also claim to have backed them

This firm lists Common Room 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.

Next Play VenturesVC firmPer its own site

Quick answers about Common Room

Who invested in Common Room?

Common Room's investors include Index Ventures, Greylock, Madrona Venture Group and Play Ventures.

How much has Common Room raised?

Common Room has raised $32M across 1 round since 2021.

When did Common Room last raise?

Common Room's most recent round was a Series B of $32M in Apr 2021.

What was Common Room's biggest round?

Its most recent round, $32M in Apr 2021, is also its largest on record.

Who backed Common Room first?

Common Room's first round on record, in Apr 2021, was backed by Index Ventures, Greylock and Madrona Venture Group and 1 others.

What stage is Common Room at?

Common Room's latest named round is a Series B, in Apr 2021.

Companies like Common Room

In the same sector, and raised in the last eighteen months.

Find investors like these

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