# NuCube Energy funding: rounds and investors

> NuCube Energy has raised $29M across 2 rounds since 2026. Investors include Arizona Nuclear Ventures, Emission Reduction Corporation (ERC) and Jordan Rose...

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

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

# Who invested in *NuCube Energy*

2 rounds we have observed, with the 4 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy Manufacturing

Raised 4 months ago

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Funding summary Updated 5 Nov 2026

**$29M** raised across 2 rounds since 2026, from 2 sources

**$13M** Round **$16M** Venture

- **Latest round:** Venture, $16M Jul 2026
- **Step-up i:** 1.2×
- **Investors:** 4 (1 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2027

**$13M** Round

**$16M** Venture

- **First round:** Round, $13M
- **Biggest round:** $16M
- **Between rounds:** 4 months

## The rounds

- **Jul 2026** Venture **$16M** No investor was named in the report. Source recorded
- **Feb 2026** Round **$13M** *4 new* [Arizona Nuclear Ventures](https://millionrounds.com/fund/arizona-nuclear-ventures) Lead [Emission Reduction Corporation (ERC)](https://millionrounds.com/fund/emission-reduction-corporation-erc) [Jordan Rose Walton](https://millionrounds.com/fund/jordan-rose-walton) [Rob Walton](https://millionrounds.com/fund/rob-walton) Reported by Ventureburn

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2026 **Venture** 2026 [Arizona Nuclear Ventures](https://millionrounds.com/fund/arizona-nuclear-ventures) L [Emission Reduction Corporation (ERC)](https://millionrounds.com/fund/emission-reduction-corporation-erc) [Jordan Rose Walton](https://millionrounds.com/fund/jordan-rose-walton) [Rob Walton](https://millionrounds.com/fund/rob-walton)

## Everyone who backed them

[Arizona Nuclear Ventures](https://millionrounds.com/fund/arizona-nuclear-ventures) VC firm **1** round, led 1

[Emission Reduction Corporation (ERC)](https://millionrounds.com/fund/emission-reduction-corporation-erc) Investment firm **1** round

[Jordan Rose Walton](https://millionrounds.com/fund/jordan-rose-walton) Investment firm **1** round

[Rob Walton](https://millionrounds.com/fund/rob-walton) Investment firm **1** round

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

## Also claim to have backed them

These 2 firms list NuCube 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.

[Halliburton Labs](https://millionrounds.com/fund/haliburton-labs) Accelerator Per its own site

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

## Quick answers about NuCube Energy

### Who invested in NuCube Energy?

NuCube Energy's investors include Arizona Nuclear Ventures, Emission Reduction Corporation (ERC), Jordan Rose Walton and Rob Walton.

### How much has NuCube Energy raised?

NuCube Energy has raised $29M across 2 rounds since 2026.

### When did NuCube Energy last raise?

NuCube Energy's most recent round was a Venture of $16M in Jul 2026.

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

Its most recent round, $16M in Jul 2026, is also its largest on record.

### Who backed NuCube Energy first?

NuCube Energy's first round on record, in Feb 2026, was backed by Arizona Nuclear Ventures, Emission Reduction Corporation (ERC) and Jordan Rose Walton and 1 others.

### What stage is NuCube Energy at?

NuCube Energy's latest named round is a Venture, in Jul 2026.

### Where is NuCube Energy based?

NuCube Energy is based in the United States.

### Who led NuCube Energy's rounds?

Arizona Nuclear Ventures led the funding round in 2026.

## Companies like NuCube Energy

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

[**Tutor Intelligence** $109M · Nov 2026](https://millionrounds.com/company/tutor-intelligence)[**Agility Robotics** $1.3B · Oct 2026](https://millionrounds.com/company/agility-robotics)[**Group14 Technologies** $632M · Oct 2026](https://millionrounds.com/company/group14-technologies)[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Mammoth Energy Services** $58M · Oct 2026](https://millionrounds.com/company/mammoth-energy-services)[**Foundry Robotics** $106M · Oct 2026](https://millionrounds.com/company/foundry-robotics)

## Find investors like these

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