# GrowthBook funding: rounds and investors

> GrowthBook has raised $23M across 1 round since 2025. Investors include Y Combinator, U.S. Venture Partners and Nexus Venture Partners.

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

United States · [Series A startup](https://millionrounds.com/companies)

# Who invested in *GrowthBook*

One round we have observed, with the 3 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.

Martech

Y Combinator: W22

Funding summary Updated 26 Oct 2026

**$23M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $23M Jul 2025
- **Investors:** 3

See who backed them

## The rounds

- **Jul 2025** Series A **$23M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Nexus Venture Partners](https://millionrounds.com/fund/nexus-venture-partners) Source recorded SEC filing: $23M sold, first sale Jun 2025

## Founders and team

From GrowthBook's own website: 3 founders, 7 on the team.

**Graham McNicoll** Co-Founder & CEO

**Jeremy Dorn** Co-Founder & CTO

**Andy Thäger** Founder of Creatistas (toom partner)

- **Ashley Stirrup** Chief Marketing Officer
- **Ryan McGurk** Chief Revenue Officer
- **August Allard** Head of Technical Support
- **Cris Dizon** Head of Customer Success
- **Jennifer Phamle** Head of Operations
- **Luke Sonnet** Head of Experimentation
- **Merritt Aho** Digital Analytics Lead at Breeze Airways

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **1** round

[Nexus Venture Partners](https://millionrounds.com/fund/nexus-venture-partners) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list GrowthBook as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Nava Ventures](https://millionrounds.com/fund/nava-ventures) VC firm Per its own site

[Data Tech Fund](https://millionrounds.com/fund/data-tech-fund) VC firm Per its own site

## Quick answers about GrowthBook

### Who invested in GrowthBook?

GrowthBook's investors include Y Combinator, U.S. Venture Partners and Nexus Venture Partners.

### How much has GrowthBook raised?

GrowthBook has raised $23M across 1 round since 2025.

### When did GrowthBook last raise?

GrowthBook's most recent round was a Series A of $23M in Jul 2025.

### What was GrowthBook's biggest round?

Its most recent round, $23M in Jul 2025, is also its largest on record.

### Who backed GrowthBook first?

GrowthBook's first round on record, in Jul 2025, was backed by Y Combinator, U.S. Venture Partners and Nexus Venture Partners.

### What stage is GrowthBook at?

GrowthBook's latest named round is a Series A, in Jul 2025.

### Where is GrowthBook based?

GrowthBook is based in the United States.

## Companies like GrowthBook

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

[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)[**Different** $48M · Oct 2026](https://millionrounds.com/company/different)[**OuterSignal** $22M · Sept 2026](https://millionrounds.com/company/outersignal)[**Pipedrive** $90M · Sept 2026](https://millionrounds.com/company/pipedrive)[**Clay** $263M · Sept 2026](https://millionrounds.com/company/clay)[**Blee** $21M · Sept 2026](https://millionrounds.com/company/blee)

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