Muon Space completes $146 million Series B funding to scale satellite constellations for defense and commercial missions, led by Congruent Ventures.

Jun 12, 2025•6 months ago

Amount Raised

$146 Million

Round Type

series b

Mountain ViewInformation TechnologyAnalytics

Investors

Arc Tern VenturesRadical VenturesCostanoa VenturesAcme CapitalActivate CapitalCongruent Ventures

Description

Muon Space announced the close of its oversubscribed $89.5 million Series B1 round, bringing total Series B funding to $146 million. The B1 round was led by Congruent Ventures and included existing investors. New capital will support expanded satellite production and key infrastructure development. The company has also grown its team by 50% since December.

Company Information

Company

Muon Space

Location

2250 Charleston Rd

Mountain View, California, United States

About

Muon Space, founded in 2021, is an end-to-end space systems company that designs, builds, and operates mission-optimized satellite constellations to deliver critical data and enable real-time compute and decision-making in space. Its proprietary technology stack, Halo™, combines advanced spacecraft platforms, robust payload integration and management, and a powerful software-defined orchestration layer—enabling high-performance capabilities at unprecedented speed, from concept to orbit. With state-of-the-art production facilities in Silicon Valley and a growing roster of commercial and national security customers, Muon Space is redefining how critical Earth intelligence is delivered from space.

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