United States · 
Who invested in Williams?
Williams's investors include Blackstone Credit & Insurance, KKR and Apollo. Blackstone Credit & Insurance led its latest round.
United States · Funded startup
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.
Raised 3 months ago
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Funding summaryUpdated 5 Nov 2026
$5.3Braised across 1 round since 2026, from 1 source
- Latest round
- Round, $5.3BAug 2026
- Led by
- Blackstone Credit & Insurance
- Investors
- 3 (1 led)
The rounds
- Aug 2026
Founders and team
From Williams's own website: 8 on the team.
- Debbie PickleSenior Vice President and Chief Human Resources Officer
- Larry LarsenExecutive Vice President and Chief Operating Officer
- Chad J. ZamarinPresident and Chief Executive Officer
- Robert R. WingoExecutive Vice President of Corporate Strategic Development
- Sayun SukduangSenior Vice President of Power
- T. Lane WilsonSenior Vice President & General Counsel
- Thomas F. McCoySenior Vice President of Upstream
- Stephen W. BergstromBoard of Directors
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Williams
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.
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In the same sector, and raised in the last eighteen months.
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