# Common Room funding: rounds and investors

> Common Room has raised $32M across 1 round since 2021. Investors include Index Ventures, Greylock and Madrona Venture Group. Every round with its source.

Source: https://millionrounds.com/company/common-room (Millionrounds; every figure on the page links to its filing or article)

[Series B startup](https://millionrounds.com/companies)

# 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 summary Updated 26 Oct 2026

**$32M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series B, $32M Apr 2021
- **Investors:** 4

See who backed them

[**Common Room** Artificial intelligence (AI) 1 / 12 Their pitch deck **Common Room's pitch deck, 12 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/commonroom)

## The rounds

- **Apr 2021** Series B **$32M** [Index Ventures](https://millionrounds.com/fund/index-ventures) [Greylock](https://millionrounds.com/fund/greylock-partners) [Madrona Venture Group](https://millionrounds.com/fund/madrona) [Play Ventures](https://millionrounds.com/fund/play-ventures) Source recorded

## Everyone who backed them

[Index Ventures](https://millionrounds.com/fund/index-ventures) VC firm **1** round

[Greylock](https://millionrounds.com/fund/greylock-partners) VC firm **1** round

[Madrona Venture Group](https://millionrounds.com/fund/madrona) VC firm **1** round

[Play Ventures](https://millionrounds.com/fund/play-ventures) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=common-room).

## 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 Ventures](https://millionrounds.com/fund/next-play-ventures) VC firm Per 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.

[**Nirva** $25M · Oct 2026](https://millionrounds.com/company/nirva)[**Lovi** $15M · Oct 2026](https://millionrounds.com/company/lovi)[**Palma.ai** $1.8M · Sept 2026](https://millionrounds.com/company/palma-ai)[**Hang Ten Systems** $53M · Sept 2026](https://millionrounds.com/company/hang-ten-systems)[**OriginalVoices** $1.3M · Sept 2026](https://millionrounds.com/company/originalvoices)[**Positron AI** $875M · Sept 2026](https://millionrounds.com/company/positron-ai)

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