# Williams funding: rounds and investors

> Williams has raised $5.3B across 1 round since 2026. Investors include Blackstone Credit & Insurance, KKR and Apollo. Every round with its source.

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

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

# Who invested in *Williams*

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.

Construction Energy

Raised 3 months ago

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Funding summary Updated 5 Nov 2026

**$5.3B** raised across 1 round since 2026, from 1 source

- **Latest round:** Round, $5.3B Aug 2026
- **Led by:** Blackstone Credit & Insurance
- **Investors:** 3 (1 led)

See who backed them

## The rounds

- **Aug 2026** Round **$5.3B** [Blackstone Credit & Insurance](https://millionrounds.com/fund/blackstone-credit-and-insurance) Lead [KKR](https://millionrounds.com/fund/kkr) [Apollo](https://millionrounds.com/fund/apollo) Reported by Ventureburn SEC filing: $3.5M sold

## Founders and team

From Williams's own website: 8 on the team.

- **Debbie Pickle** Senior Vice President and Chief Human Resources Officer
- **Larry Larsen** Executive Vice President and Chief Operating Officer
- **Chad J. Zamarin** President and Chief Executive Officer
- **Robert R. Wingo** Executive Vice President of Corporate Strategic Development
- **Sayun Sukduang** Senior Vice President of Power
- **T. Lane Wilson** Senior Vice President & General Counsel
- **Thomas F. McCoy** Senior Vice President of Upstream
- **Stephen W. Bergstrom** Board of Directors

## Everyone who backed them

[Blackstone Credit & Insurance](https://millionrounds.com/fund/blackstone-credit-and-insurance) Investment firm **1** round, led 1

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

[Apollo](https://millionrounds.com/fund/apollo) Company **1** round

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

## Quick answers about Williams

### Who invested in Williams?

Williams's investors include Blackstone Credit & Insurance, KKR and Apollo. Blackstone Credit & Insurance led its latest round.

### How much has Williams raised?

Williams has raised $5.3B across 1 round since 2026.

### When did Williams last raise?

Williams's most recent round was an Undisclosed round of $5.3B in Aug 2026, led by Blackstone Credit & Insurance.

### What was Williams's biggest round?

Its most recent round, $5.3B in Aug 2026, is also its largest on record.

### Who backed Williams first?

Williams's first round on record, in Aug 2026, was backed by Blackstone Credit & Insurance, KKR and Apollo.

### What stage is Williams at?

Williams's latest named round is an Undisclosed round, in Aug 2026.

### Where is Williams based?

Williams is based in the United States.

### Who led Williams's rounds?

Blackstone Credit & Insurance led the Undisclosed round in 2026.

## Companies like Williams

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

[**Fal** $1.4B · Nov 2026](https://millionrounds.com/company/fal)[**Trajectory** $101M · Nov 2026](https://millionrounds.com/company/trajectory)[**Northwood Space** $505M · Nov 2026](https://millionrounds.com/company/northwood-space)[**OpenAI** $230B · Oct 2026](https://millionrounds.com/company/openai)[**Baseten** $4.0B · Oct 2026](https://millionrounds.com/company/baseten)[**Group14 Technologies** $632M · Oct 2026](https://millionrounds.com/company/group14-technologies)

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