United States · 
Who invested in Deep Fission?
Deep Fission's investors include 8VC, Blue Owl, Mark Tompkins of Montrose Capital and Ed Eisler of EE Holdings.
United States · Funded startup
Who invested in Deep Fission
One round we have observed, with the 4 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 9 months ago
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Funding summaryUpdated 7 Nov 2026
$80Mraised across 1 round since 2026, from 1 source
- Latest round
- Round, $80MFeb 2026
- Investors
- 4
The rounds
- Feb 2026Round$80M
Reported by VentureburnSEC filing: $80M sold, first sale Feb 2026
Funding filed with regulators
Deep Fission filed one raise, $80M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Feb 2026$80MSEC Form D
Founders and team
From Deep Fission's own website: 10 on the team.
- Bryan BlackVP of Business Development
- Chloe FraderVP of Communications
- Alex SpireStrategic Solutions Manager
- Brian TreadwaySenior Project Director
- Clay HaddockExecutive Operations Manager
- Jordan DulingProject Manager
- Martin ZapataSenior Digital Systems Manager
- Megan WilliamsSenior Director of Government Relations
- Tara MaysRegional Stakeholder Engagement Manager
- Tommie MiersDirector of Recruiting
Everyone who backed them
Mark Tompkins of Montrose CapitalInvestment firm1round
Ed Eisler of EE HoldingsInvestment firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Deep Fission as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Deep Fission
How much has Deep Fission raised?
Deep Fission has raised $80M across 1 round since 2026.
When did Deep Fission last raise?
Deep Fission's most recent round was an Undisclosed round of $80M in Feb 2026.
What was Deep Fission's biggest round?
Its most recent round, $80M in Feb 2026, is also its largest on record.
Who backed Deep Fission first?
Deep Fission's first round on record, in Feb 2026, was backed by 8VC, Blue Owl and Mark Tompkins of Montrose Capital and 1 others.
What stage is Deep Fission at?
Deep Fission's latest named round is an Undisclosed round, in Feb 2026.
Where is Deep Fission based?
Deep Fission is based in the United States.
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In the same sector, and raised in the last eighteen months.
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