United States · 
Who invested in TerraPower?
TerraPower's investors include Bill Gates, NVIDIA, NVentures, Gates and HD Hyundai, and 1 more on record.
200820112014201720202023
?Round$650MRound
United States · Funded startup
Who invested in TerraPower
2 rounds we have observed, with the 6 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.
Valuation: $1.0B, Oct 2024
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Funding summaryUpdated 5 Nov 2026
$650Mraised across 2 rounds since 2008, from 3 sources
- Latest round
- Round, $650MJun 2025
- Investors
- 6
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round Jan 2008
- Biggest round
- $650M Round · Jun 2025
- Between rounds
- 17.5 years from the last two
The rounds
- Jun 2025Round$650M4 new1 returning
Reported by Crunchbase News and 1 other
- Jan 2008RoundAmount undisclosed2 new
Bill Gates- Intellectual Ventures Management
From a historical funding record
Founders and team
From TerraPower's own website: 11 on the team.
- Steven HellmanExecutive Vice President and Chief Financial Officer
- Andrew RichardsVice President of Government Affairs
- Craighton GoeppeleExecutive Vice President And General Counsel
- Irene HsiehSenior Vice President, Finance And Accounting
- Jeffrey MillerSenior Vice President, Business Development
- Monica TarquenoVice President, Operations
- Pat YoungSenior Vice President, Natrium Project Director
- Jessica HarrisChief Human Resources Officer
- Bill GatesChairman of the Board
- Chris LevesqueVice Chairman of the Board
- Sarah YoungDirector of Communications and Marketing
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.
Everyone who backed them
NVIDIACompany1round
Intellectual Ventures Managementno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about TerraPower
How much has TerraPower raised?
TerraPower has raised $650M across 2 rounds since 2008. One round did not disclose an amount, so the total is a floor.
When did TerraPower last raise?
TerraPower's most recent round was an Undisclosed round of $650M in Jun 2025.
What was TerraPower's biggest round?
Its most recent round, $650M in Jun 2025, is also its largest on record.
Who backed TerraPower first?
TerraPower's first round on record, in Jan 2008, was backed by Bill Gates and Intellectual Ventures Management.
What stage is TerraPower at?
TerraPower's latest named round is an Undisclosed round, in Jun 2025.
Where is TerraPower based?
TerraPower is based in the United States.
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