# Ridge AI funding: rounds and investors

> Ridge AI has raised $2.6M across 1 round since 2026. Investors include Madrona Venture Group. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Ridge AI*

One round we have observed, with the one investor 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.

Big Data & Analytics

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$2.6M** raised across 1 round since 2026, from 1 source

- **Latest round:** Pre-seed, $2.6M Apr 2026
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2026** Pre-seed **$2.6M** [Madrona Venture Group](https://millionrounds.com/fund/madrona) Source recorded

## Founders and team

From Ridge AI's own website: 9 founders, 1 on the team.

**Ellie Fields** CEO and Co-Founder

**Chris Stolte** CTO and Co-Founder of Tableau

**Jeff Heer** Chief Scientist and Co-Founder

**Sean Kandel** Trifacta CTO and co-founder

**Luis Ceze** OctoAI founder, now VP at Nvidia

**Adrien Treuille** Founder of Streamlit

**Diego Oppenheimer** Co-founder of Algorithmia

**Frank Dale** Founder of Costello

**Fritz Lekschas** Founding Research Engineer

- **Elias Mahfoud** Staff Software Engineer

## Everyone who backed them

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

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

## Quick answers about Ridge AI

### Who invested in Ridge AI?

Ridge AI's investors include Madrona Venture Group.

### How much has Ridge AI raised?

Ridge AI has raised $2.6M across 1 round since 2026.

### When did Ridge AI last raise?

Ridge AI's most recent round was a Pre-seed of $2.6M in Apr 2026.

### What was Ridge AI's biggest round?

Its most recent round, $2.6M in Apr 2026, is also its largest on record.

### Who backed Ridge AI first?

Ridge AI's first round on record, in Apr 2026, was backed by Madrona Venture Group.

### What stage is Ridge AI at?

Ridge AI's latest named round is a Pre-seed, in Apr 2026.

### Where is Ridge AI based?

Ridge AI is based in the United States.

## Companies like Ridge AI

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**STRIVE** $1.3B · Oct 2026](https://millionrounds.com/company/strive)[**Xona** $512M · Oct 2026](https://millionrounds.com/company/xona)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Prism Data** $25M · Oct 2026](https://millionrounds.com/company/prism-data)[**Homa** $5.0M · Oct 2026](https://millionrounds.com/company/homa)

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