Antares Industries
Factory-produced, deployable fission microreactors for strategic energy
Los Angeles, United States · Founded 2023 · $109.0M raised
- Headquarters
- Los Angeles, California
- Employees
- 51–200
- Founded
- 2023
- Business Model
- B2B
- Website
- antaresindustries.com
- Total Funding
- $109.0M
- Last Round
- $71.0M Series BDec 2025
- Rounds
- 3
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 $109.0M in total across 3 rounds, most recently a $71.0M Series B round in Dec 2025.
Tech & App Stack
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Funding History
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Dec 2025
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Seed through Series B — per-round amounts, valuations, and who invested in each round.
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