Valar Atomics

The New Atomic Age

El Segundo, United States · Founded 2023 · $1.7B raised

Employees
11–50
Founded
2023
Business Model
B2B
Total Funding
$1.7B
Last Round
$1.0B Series BAug 2026
Rounds
5

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

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 $1.7B in total across 5 rounds, most recently a $1.0B Series B round in Aug 2026. Investors include Day One Ventures, Riot Ventures and Sequoia Capital.

Tech & App Stack

2 technologies & apps tracked

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Funding History

Series BSeries BAug 2026
$1.0B

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Funding: Seed through Series B. Amounts, valuations, and investors where available.

Investors

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