# Optigon funding: rounds and investors

> Optigon has raised $100K across 1 round since 2025. Investors include US Department of Energy, MassVentures and Massachusetts Clean Energy Center.

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

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

# Who invested in *Optigon*

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.

Cleantech

Funding summary Updated 26 Oct 2026

**$100K** raised across 1 round since 2025, from 1 source

- **Latest round:** Grant, $100K May 2025
- **Investors:** 3

See who backed them

## The rounds

- **May 2025** Grant **$100K** [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [MassVentures](https://millionrounds.com/fund/massventures) [Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) Source recorded

## Everyone who backed them

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

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

[Massachusetts Clean Energy Center](https://millionrounds.com/fund/massachusetts-clean-energy-center) VC firm **1** round

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

## Quick answers about Optigon

### Who invested in Optigon?

Optigon's investors include US Department of Energy, MassVentures and Massachusetts Clean Energy Center.

### How much has Optigon raised?

Optigon has raised $100K across 1 round since 2025.

### When did Optigon last raise?

Optigon's most recent round was a Grant of $100K in May 2025.

### What was Optigon's biggest round?

Its most recent round, $100K in May 2025, is also its largest on record.

### Who backed Optigon first?

Optigon's first round on record, in May 2025, was backed by US Department of Energy, MassVentures and Massachusetts Clean Energy Center.

### What stage is Optigon at?

Optigon's latest named round is a Grant, in May 2025.

### Where is Optigon based?

Optigon is based in the United States.

## Companies like Optigon

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)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)

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