Valar Atomics

The New Atomic Age

El Segundo, United States · Founded 2023 · $729.0M raised

Employees
11–50
Founded
2023
Business Model
B2B
Total Funding
$729.0M
Last Round
$130.0M Series AMay 2026
Rounds
4

About

Valar Atomics is a nuclear energy startup founded in 2023 by Isaiah Taylor, building hundreds of reactors at one Gigasite for heavy industrial power and clean fuel production. The company became the first startup in history to achieve nuclear criticality with its Nova Core in November 2025, and is pursuing power operations by July 4, 2026 with its Ward250 reactor — a Gen IV design approved by the DOE. Valar Atomics vertically integrates the design, construction, and operation of nuclear reactors with the goal of creating abundant, cheap energy from atomic power for industry and clean fuel synthesis.

Summary

Valar Atomics is a Climate Tech company based in El Segundo, United States, founded in 2023. It has raised $729.0M in total across 4 rounds, most recently a $130.0M Series A round in May 2026. Investors include Day One Ventures, Riot Ventures and Multiple investors.

Tech & App Stack

2 technologies & apps tracked

Create a free account — 10 credits a month to unlock the full tech & app stack, funding history, and valuations.

Sign up to view the funding chart

Create a free account — you'll get 10 credits a month to unlock funding history, valuations, and tech stacks.

Funding History

Series ASeries AMay 2026
$130.0M

Sign up to see all 4 rounds

Full funding history, per-round amounts, and investor participation.

Investors

Similar Companies