# Deep Fission, Inc. funding: rounds and investors

> Deep Fission, Inc. has raised $80M across 1 round since 2025. Investors include Blue Owl Capital. Every round with its source.

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

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

# Who invested in *Deep Fission, Inc.*

One round we have observed, with the one investor 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.

AI Cleantech Energy

Funding summary Updated 26 Oct 2026

**$80M** raised across 1 round since 2025, from 1 source

- **Latest round:** Round, $80M Feb 2025
- **Investors:** 1

See who backed them

## The rounds

- **Feb 2025** Round **$80M** [Blue Owl Capital](https://millionrounds.com/fund/blue-owl-capital) Reported by Firms' own news pages

## Everyone who backed them

[Blue Owl Capital](https://millionrounds.com/fund/blue-owl-capital) Private equity **1** round

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

## Quick answers about Deep Fission, Inc.

### Who invested in Deep Fission, Inc.?

Deep Fission, Inc.'s investors include Blue Owl Capital.

### How much has Deep Fission, Inc. raised?

Deep Fission, Inc. has raised $80M across 1 round since 2025.

### When did Deep Fission, Inc. last raise?

Deep Fission, Inc.'s most recent round was an Undisclosed round of $80M in Feb 2025.

### What was Deep Fission, Inc.'s biggest round?

Its most recent round, $80M in Feb 2025, is also its largest on record.

### Who backed Deep Fission, Inc. first?

Deep Fission, Inc.'s first round on record, in Feb 2025, was backed by Blue Owl Capital.

### What stage is Deep Fission, Inc. at?

Deep Fission, Inc.'s latest named round is an Undisclosed round, in Feb 2025.

### Where is Deep Fission, Inc. based?

Deep Fission, Inc. is based in the United States.

## Companies like Deep Fission, Inc.

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

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