# Fourier funding: rounds and investors

> Fourier has raised $19M across 1 round since 2025. Investors include General Catalyst and MCJ. Every round with its source.

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

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

# Who invested in *Fourier*

One round we have observed, with the 2 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.

Energy

Funding summary Updated 26 Oct 2026

**$19M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $19M Apr 2025
- **Investors:** 2

See who backed them

## The rounds

- **Apr 2025** Series A **$19M** [General Catalyst](https://millionrounds.com/fund/general-catalyst) [MCJ](https://millionrounds.com/fund/mcj) Source recorded

## Founders and team

From Fourier's own website: 3 founders, 1 on the team.

**Jason Hoffman-Bice** Founder and CEO

**Randall Erb** Co-Founder and

**Scientific Advisor** Co-Founder and

- **Madison Morey** R&D Materials Engineer

## Everyone who backed them

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

[MCJ](https://millionrounds.com/fund/mcj) VC firm **1** round

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

## Also claim to have backed them

This firm lists Fourier 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.

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

## Quick answers about Fourier

### Who invested in Fourier?

Fourier's investors include General Catalyst and MCJ.

### How much has Fourier raised?

Fourier has raised $19M across 1 round since 2025.

### When did Fourier last raise?

Fourier's most recent round was a Series A of $19M in Apr 2025.

### What was Fourier's biggest round?

Its most recent round, $19M in Apr 2025, is also its largest on record.

### Who backed Fourier first?

Fourier's first round on record, in Apr 2025, was backed by General Catalyst and MCJ.

### What stage is Fourier at?

Fourier's latest named round is a Series A, in Apr 2025.

### Where is Fourier based?

Fourier is based in the United States.

## Companies like Fourier

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

## Find investors like these

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