Antares

About Antares

Antares is focused on providing abundant energy from Earth to the asteroid belt through fission microreactors, enabling strategic energy for critical mission capabilities on Earth, in space, and underwater.

Products & Services

R1 Microreactor:A purpose-designed modular power solution for defense-critical assets, offering 100kWe to 1MWe for 4-6 years. Features include integrated shielding, reactivity controls, TRISO coated particle fuel, sodium heat pipes, nitrogen Brayton cycle, and power management for microgrid integration.

Special Purpose Reactors:Modular, transportable reactors designed and manufactured for strategic energy applications on Earth and in space.

Heat Pipes & Thermal Management:High-temperature heat pipes and radiators for compact thermal management.

Control Systems:Automated control systems with hardware-in-the-loop digital twins for design, build, and testing.

Graphite Machining:Precision machining of nuclear-grade graphite in-house to accelerate design iteration.

Specialties

Fission Microreactors Strategic Energy Solutions Special Purpose Reactors High-Temperature Heat Pipes Thermal Management Automated Control Systems Nuclear-Grade Graphite Machining

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Series B T: - FT: Series B	A: 96000000 MR: - FA: $96 million FAN: 96000000	D: 2025-12-02 FD: 2025-12-02	5 investors

Series B Latest

2025-12-02

$96.0M

5 investors (Pro only)

Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

View 3 more growth metrics with Pro

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Mock Up

Team & Leadership

No team data available

Team information is not yet available for this company

Recent News

Antares Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised