Series B Funding Will Accelerate Nuclear Microreactor Development

Antares Working with NASA, Department of War

Dec 09, 2025

∙ Paid

Advanced nuclear energy startup Antares has closed a $96 million Series B funding round. The round was led by Shine Capital, with participation from Alt Capital, Caffeinated, FiftyThree Stations, Industrious, and other investors. The round consists of $71M in new equity capital and $25M in debt for equipment, factory build-out, and uranium procurement.

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