# Nuclearn funding: rounds and investors

> Nuclearn has raised $11M across 1 round since 2025. Investors include SJF Ventures and Blue Bear Capital. Every round with its source.

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

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

# Who invested in *Nuclearn*

One round we have observed, with the 2 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.

AI

Funding summary Updated 26 Oct 2026

**$11M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $11M Sept 2025
- **Investors:** 2

See who backed them

## The rounds

- **Sept 2025** Series A **$11M** [SJF Ventures](https://millionrounds.com/fund/sjf-ventures) [Blue Bear Capital](https://millionrounds.com/fund/blue-bear-capital) Source recorded SEC filing: $11M sold, first sale Jul 2025

## Founders and team

From Nuclearn's own website: 2 founders, 4 on the team.

**Bradley Fox** CEO, Co-Founder

**Jerrold Vincent** CFO, Co-Founder

- **Brian Critchfield** Vice President, Marketing
- **Jeff Karau** Vice President, Engineering
- **Lorenzo Slay** Vice President, Product
- **Phil Zeringue** Chief Revenue Officer

## Everyone who backed them

[SJF Ventures](https://millionrounds.com/fund/sjf-ventures) VC firm **1** round

[Blue Bear Capital](https://millionrounds.com/fund/blue-bear-capital) VC firm **1** round

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

## Quick answers about Nuclearn

### Who invested in Nuclearn?

Nuclearn's investors include SJF Ventures and Blue Bear Capital.

### How much has Nuclearn raised?

Nuclearn has raised $11M across 1 round since 2025.

### When did Nuclearn last raise?

Nuclearn's most recent round was a Series A of $11M in Sept 2025.

### What was Nuclearn's biggest round?

Its most recent round, $11M in Sept 2025, is also its largest on record.

### Who backed Nuclearn first?

Nuclearn's first round on record, in Sept 2025, was backed by SJF Ventures and Blue Bear Capital.

### What stage is Nuclearn at?

Nuclearn's latest named round is a Series A, in Sept 2025.

### Where is Nuclearn based?

Nuclearn is based in the United States.

## Companies like Nuclearn

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app