Muon Space
PrivateLast Round
Series C
Aug 20, 2026
Est. Valuation
$1.5B
Total Funding Raised
$386.7M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Muon Space operates in Frontier & Industrial Tech and is based in Mountain View, California. Its latest recorded funding round was a Series C round in August 2026.
Muon Space is an aerospace company that designs, builds, and operates low Earth orbit satellite constellations to provide mission-critical Earth intelligence and climate monitoring data.
Sector
Frontier & Industrial Tech
Verticals
Space Technology, Defense Tech, Environmental Monitoring, Satellite Communications, Sensors
Business Model
B2G
Customer Profile
Government Contracts, Data as a Service, Hardware Sales
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Muon Space Comparables
Compare Muon Space with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Loft Orbital | 85% | |
| Apex | 83% | |
| Umbra | 83% |
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Muon Space Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Aug 20, 2026 | ||||
| Debt | Jun 12, 2025 | ||||
| Series B | Aug 5, 2024 | ||||
| Series A | Aug 9, 2022 | ||||
| Seed | Oct 6, 2021 |
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Key People
Founding team and executive leadership
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Muon Space Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| South Park Commons | Seed |
| Salesforce Ventures | Series C |
| Woven Capital | Series C |
| Eclipse Ventures | Series C |
| Galvanize Climate Solutions | Series C |
| Climactic | Seed |
| Congruent Ventures | Seed, Series A, Series B, Series C, Debt |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 30, 2026
National Oceanic and Atmospheric Administration (NOAA) is now a customer.
- Sep 30, 2026
U.S. Space Force secured as a customer for defense programs.
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Recent news
Latest coverage and updates
- hiresOct 9, 2026
Muon Space, Inc. hires Jody Kelman as Chief Product Officer to lead its product organization as it scales satellite constellation programs in California on Oct 8th '26.
- hiresOct 9, 2026
Muon Space, Inc. appoints Emelia Probasco as Head of Strategy and Communications on Oct 8th '26 in California, expanding its leadership team as it scales constellation programs.
- is_developingAug 21, 2026
Muon Space, Inc. receives a $44.6 million Small Business Innovation Research Phase III other transaction agreement from Space Systems Command to build the three-satellite prototype for the Department of War.
- has_valuationAug 21, 2026
Muon Space, Inc. has a $1.5B valuation as of Aug 20th '26.
- receives_financingAug 21, 2026
Muon Space, Inc. raises $250M in a Series C round led by Eclipse Capital, with participation from Google, Salesforce Ventures and Wellington Management, to build more satellites and scale space infrastructure on Aug 20th '26.
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Muon Space Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Muon Space's valuation, stock price, and market status.
Is Muon Space a public or private company?
Muon Space is a private company.
What is the current stock price of Muon Space?
Muon Space is a private company, so its shares have no public market price. Caplight tracks Muon Space's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Muon Space worth (valuation)?
Muon Space's valuation is estimated at $1.5B based on funding round data.
Can I buy Muon Space stock?
Muon Space shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Muon Space's last funding round?
Muon Space's most recent funding round was Series C on August 20, 2026.
Who are the main investors in Muon Space?
Key investors in Muon Space include Eclipse Ventures, Congruent Ventures, Costanoa Ventures, Activate Capital, Activate Capital Partners.
Will Muon Space IPO soon?
No public IPO plans have been announced for Muon Space.
How can I track Muon Space secondary market activity?
Caplight tracks bids, offers, and trades in Muon Space's shares on secondary markets.