Startup profile · funding coverage
Muon Space funding, valuation and investors
Mission Foundry for high-performance satellite constellations — design, build, operate, and deliver data for commercial and government customers.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Series C
$250M · August 2026
Latest known valuation
~$1.5B (source-cited)
Series C · August 2026
Total disclosed equity funding
$250M
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
growth · Mountain View, California
Investors in latest funding
Lead: Eclipse Capital
Other: Google , Salesforce Ventures
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
Funding history (newest first)
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.
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Apex Space direct
California sat manufacturer scaling larger platforms.
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K2 Space direct
Large spacecraft focus; different product architecture.
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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
Market / IPO context
Editorial / static context — not a live quote.
Related funding articles
Venture Capital Tracker pieces that cover Muon Space's financing or category context.
FAQs about Muon Space
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Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.