# Factorial Energy funding: rounds and investors

> Factorial Energy has raised $100M across 1 round since 2026. Investors include In-Q-Tel. Every round with its source.

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

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

# Who invested in *Factorial Energy*

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.

Energy

Raised 5 months ago

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Funding summary Updated 27 Oct 2026

**$100M** raised across 1 round since 2026, from 1 source

- **Latest round:** Round, $100M Jun 2026
- **Investors:** 1

See who backed them

## The rounds

- **Jun 2026** Round **$100M** [In-Q-Tel](https://millionrounds.com/fund/iqt) Source recorded

## Founders and team

From Factorial Energy's own website: 2 founders, 6 on the team.

**Siyu Huang** Founder and CEO

**Alex Yu** Founder and CTO

- **Carlos Tavares** CEO
- **Markus Schäfer** COO and Board of Management member
- **Henry Chung** SVP and Head of CRADLE Silicon Valley
- **Joe Taylor** Executive Chairman of the Board
- **Jon K. Nelson** Board Director
- **Uwe Keller** Board Director

Advisers *Dieter Zetsche* *Héctor D. Abruña*

## Everyone who backed them

[In-Q-Tel](https://millionrounds.com/fund/iqt) Accelerator **1** round

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

## Also claim to have backed them

These 3 firms list Factorial Energy 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.

[WAVE Equity Partners](https://millionrounds.com/fund/wave-equity-partners) Private equity Per its own site

[Helios Climate Ventures](https://millionrounds.com/fund/helios-climate-ventures) VC firm Per its own site

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

## Quick answers about Factorial Energy

### Who invested in Factorial Energy?

Factorial Energy's investors include In-Q-Tel.

### How much has Factorial Energy raised?

Factorial Energy has raised $100M across 1 round since 2026.

### When did Factorial Energy last raise?

Factorial Energy's most recent round was an Undisclosed round of $100M in Jun 2026.

### What was Factorial Energy's biggest round?

Its most recent round, $100M in Jun 2026, is also its largest on record.

### Who backed Factorial Energy first?

Factorial Energy's first round on record, in Jun 2026, was backed by In-Q-Tel.

### What stage is Factorial Energy at?

Factorial Energy's latest named round is an Undisclosed round, in Jun 2026.

### Where is Factorial Energy based?

Factorial Energy is based in the United States.

## Companies like Factorial Energy

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)

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