# SB Energy funding: rounds and investors

> SB Energy has raised $1.0B across 1 round since 2026. Investors include Mizuho Capital, Bank of America and CIBC. Every round with its source.

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

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

# Who invested in *SB Energy*

One round we have observed, with the 5 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

Raised 10 months ago

Funding summary Updated 26 Oct 2026

**$1.0B** raised across 1 round since 2026, from 1 source

- **Latest round:** Venture, $1.0B Jan 2026
- **Investors:** 5

See who backed them

## The rounds

- **Jan 2026** Venture **$1.0B** [Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) [Bank of America](https://millionrounds.com/fund/bank-of-america) [CIBC](https://millionrounds.com/fund/cibc) [Societe Generale](https://millionrounds.com/fund/societe-generale-2) [Ares Management](https://millionrounds.com/fund/ares-management) Source recorded

## Founders and team

From SB Energy's own website: 2 on the team.

- **Matt Gillham** Project Manager
- **Matt Sieving** Project Manager

## Everyone who backed them

[Mizuho Capital](https://millionrounds.com/fund/mizuho-capital) VC firm **1** round

[Bank of America](https://millionrounds.com/fund/bank-of-america) Company **1** round

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

[Societe Generale](https://millionrounds.com/fund/societe-generale-2) Corporate VC **1** round

[Ares Management](https://millionrounds.com/fund/ares-management) Growth equity **1** round

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

## Quick answers about SB Energy

### Who invested in SB Energy?

SB Energy's investors include Mizuho Capital, Bank of America, CIBC, Societe Generale and Ares Management.

### How much has SB Energy raised?

SB Energy has raised $1.0B across 1 round since 2026.

### When did SB Energy last raise?

SB Energy's most recent round was a Venture of $1.0B in Jan 2026.

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

Its most recent round, $1.0B in Jan 2026, is also its largest on record.

### Who backed SB Energy first?

SB Energy's first round on record, in Jan 2026, was backed by Mizuho Capital, Bank of America and CIBC and 2 others.

### What stage is SB Energy at?

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

### Where is SB Energy based?

SB Energy is based in the United States.

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

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