# Voxel Energy funding: rounds and investors

> Voxel Energy has raised across 1 round since 2026. Investors include Y Combinator, Pioneer Fund and Rebel Fund. Every round with its source.

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

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

# Who invested in *Voxel Energy*

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.

Energy

Raised 10 months ago

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Funding summary Updated 27 Oct 2026

**Undisclosed** raised across 1 round since 2026, from 1 source

- **Latest round:** Venture Jan 2026
- **Investors:** 3

See who backed them

## The rounds

- **Jan 2026** Venture **Amount undisclosed** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Rebel Fund](https://millionrounds.com/fund/rebel-fund) Source recorded

## Founders and team

From Voxel Energy's own website: 3 on the team.

- **Casey Spencer** CEO
- **Evan Schmidt** COO
- **Max Pfeiffer** CTO

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[Rebel Fund](https://millionrounds.com/fund/rebel-fund) VC firm **1** round

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

## Also claim to have backed them

These 4 firms list Voxel 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.

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

[Lobster Capital](https://millionrounds.com/fund/lobster-capital) VC firm Per its own site

[Leap Forward Ventures](https://millionrounds.com/fund/leap-forward-ventures) VC firm Per its own site

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

## Quick answers about Voxel Energy

### Who invested in Voxel Energy?

Voxel Energy's investors include Y Combinator, Pioneer Fund and Rebel Fund.

### How much has Voxel Energy raised?

Voxel Energy has raised 1 round since 2026, none with a disclosed amount.

### When did Voxel Energy last raise?

Voxel Energy's most recent round was a Venture in Jan 2026.

### Who backed Voxel Energy first?

Voxel Energy's first round on record, in Jan 2026, was backed by Y Combinator, Pioneer Fund and Rebel Fund.

### What stage is Voxel Energy at?

Voxel Energy's latest named round is a Venture, in Jan 2026.

### Where is Voxel Energy based?

Voxel Energy is based in the United States.

## Companies like Voxel 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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