# EtaGen funding: rounds and investors

> EtaGen has raised $83M across 1 round since 2018. Investors include Khosla Ventures, Declaration Partners and Bill Gates. Every round with its source.

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

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

# Who invested in *EtaGen*

One round we have observed, with the 7 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.

Manufacturing

Funding summary Updated 26 Oct 2026

**$83M** raised across 1 round since 2018, from 1 source

- **Latest round:** Series C, $83M Jan 2018
- **Investors:** 7

See who backed them

## The rounds

- **Jan 2018** Series C **$83M** [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [Declaration Partners](https://millionrounds.com/fund/declaration-partners) [Bill Gates](https://millionrounds.com/fund/bill-gates) [American Electric Power](https://millionrounds.com/fund/american-electric-power) [Centrica Innovations](https://millionrounds.com/fund/centrica-innovations) [Louis M. Bacon](https://millionrounds.com/fund/louis-m-bacon) Statoil Energy Reported by FinSMEs SEC filing: $83M sold, first sale Aug 2017

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Adam Simpson** Executive Officer, Director i
- **Shannon Miller** Executive Officer, Director i

On the board, as filed i *Alexander Weiss* *Jagdeep Singh* *Nael Kassar* *Samir Kaul*

## Everyone who backed them

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

[Declaration Partners](https://millionrounds.com/fund/declaration-partners) Family office **1** round

[Bill Gates](https://millionrounds.com/fund/bill-gates) VC firm **1** round

[American Electric Power](https://millionrounds.com/fund/american-electric-power) Growth equity **1** round

[Centrica Innovations](https://millionrounds.com/fund/centrica-innovations) Corporate VC **1** round

[Louis M. Bacon](https://millionrounds.com/fund/louis-m-bacon) Growth equity **1** round

Statoil Energy no record of our own yet **1** round

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

## Quick answers about EtaGen

### Who invested in EtaGen?

EtaGen's investors include Khosla Ventures, Declaration Partners, Bill Gates, American Electric Power and Centrica Innovations, and 2 more on record.

### How much has EtaGen raised?

EtaGen has raised $83M across 1 round since 2018.

### When did EtaGen last raise?

EtaGen's most recent round was a Series C of $83M in Jan 2018.

### What was EtaGen's biggest round?

Its most recent round, $83M in Jan 2018, is also its largest on record.

### Who backed EtaGen first?

EtaGen's first round on record, in Jan 2018, was backed by Khosla Ventures, Declaration Partners and Bill Gates and 4 others.

### What stage is EtaGen at?

EtaGen's latest named round is a Series C, in Jan 2018.

### Where is EtaGen based?

EtaGen is based in the United States.

## Companies like EtaGen

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

[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Origin** $121M · Oct 2026](https://millionrounds.com/company/origin)[**Jeevy Fabrication** Oct 2026](https://millionrounds.com/company/jeevy-fabrication)

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