Antares Industries

formerly ANTARES NUCLEAR, INC.

Factory-produced, deployable fission microreactors for strategic energy

Los Angeles, United States · Founded 2023 · $675.0M raised

Employees
51–200
Founded
2023
Business Model
B2B
Total Funding
$675.0M
Last Round
$470.0M Series CJul 2026
Rounds
5

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

About

Antares Industries (now Antares Nuclear) designs and manufactures factory-produced, deployable fission microreactors providing 100kWe–1MWe of power for 6+ years to mission-critical defense, space, and undersea applications. Its R1 microreactor uses TRISO fuel and a nitrogen Brayton cycle for high-reliability, low-maintenance power delivery in remote and austere environments.

Summary

Antares Industries is a Defense Tech company based in Los Angeles, United States, founded in 2023. It has raised $675.0M in total across 5 rounds, most recently a $470.0M Series C round in Jul 2026. Investors include Caffeinated Capital, Shine Capital and Alt Capital.

Tech & App Stack

6 technologies & apps tracked

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Funding History

Series CSeries CJul 2026
$470.0M

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

Investors

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