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Muon Space startup funding profile

Mission Foundry for high-performance satellite constellations — design, build, operate, and deliver data for commercial and government customers.

Stage

growth

Status

private

Coverage

full

Overview

Muon Space designs, builds, and operates satellite constellations for national security, civil, and commercial missions under an integrated Mission Foundry model. On August 20, 2026 it closed a $250 million Series C led by Eclipse Capital, bringing total equity funding to more than $386 million. A source cited roughly $1.5 billion valuation (not company-confirmed). The company has deployed 11 satellites, opened a San Jose factory aimed at 500 satellites annually by 2027, and is preparing larger MuSat XL and Condor-Ultra platforms.

Why Muon Space is interesting

August 2026 Series C ($250M; source-cited ~$1.5B valuation) led by Eclipse with Google and Salesforce Ventures participating — scaling San Jose production toward 500 sats/year and larger MuSat XL / Condor-Ultra platforms.

Product & use cases

End-to-end satellite constellation Mission Foundry spanning spacecraft, payloads, software, operations, and data.

Earth observation and wildfire monitoring constellations
National security and civil space missions
Larger power platforms for connectivity and orbital compute payloads

Key facts

Series C (Aug 20, 2026): $250M led by Eclipse; >$386M total equity (company)
Source-cited ~$1.5B valuation (SpaceNews/Reuters) — not company-confirmed
11 satellites deployed; San Jose factory targeting 500/year by 2027
Partners/programs: FireSat with Earth Fire Alliance / Google.org; MuSat XL for Hubble Network

Fundraising history

Series C

2026-08 $250M Valuation: ~$1.5B (source-cited)

Eclipse Capital (lead)
Google (participant)
Salesforce Ventures (participant)

Source: https://spacenews.com/muon-space-raises-250-million-to-ramp-up-satellite-production/

Competitive landscape

Edge: Integrated mission stack with high claimed in-house production share and a path to larger XL/Condor platforms.

Muon competes on mission integration and factory scale. Valuation is source-cited only; underwrite on booked launches and customer concentration.

Apex Space direct

California sat manufacturer scaling larger platforms.
K2 Space direct

Large spacecraft focus; different product architecture.
Traditional aerospace primes incumbent

Higher cost and slower iteration for new constellations.

Notable stories

Muon plans its first ~500 kg MuSat XL next year for Hubble Network’s Bluetooth-from-space constellation (SpaceNews, Aug 2026).

Industries

Space Tech Deep Tech Climate Tech

FAQs about Muon Space

Practical answers founders, operators, and investors typically search for.

Muon Space is a Mission Foundry that designs, builds, and operates high-performance satellite constellations for commercial and government customers.

Eclipse Capital led the $250M Series C (Aug 2026). Participants include Google, Salesforce Ventures, Wellington, Galvanize, and returning investors such as Radical Ventures. Eclipse is not yet a VCT fund profile.

Growth-stage private company after Series C August 2026.

Commercial constellation operators and government programs; named/partner examples include FireSat and Hubble Network’s upcoming MuSat XL mission.

Muon markets a mission-first Foundry versus fitting missions onto a fixed standardized bus.

Private as of August 2026; CEO has discussed IPO optionality after more revenue visibility.

Mountain View, California, with a San Jose manufacturing facility.

Not publicly disclosed.

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Last updated: 2026-08-25