Muon Space valuation, funding and investors
Muon Space works in satellite constellation design and construction, based in Mountain View, United States. Founded in 2021, it has about 330 employees.
- Last round
- Series C · $250M · Aug 2026
- Valuation at last round
- $1.50B
- Headcount
- 330 · growing
- Grade
- A
- Founded
- 2021
Muon Space valuation today
VCMC values Muon Space at $1.6B today, with a range of $1.3B to $2.3B and a grade of A. The valuation starts from its last funding round, a Series C round in Aug 2026.
Valuation by date (75 rows)
Each point is what the model would have shown on that date, using only what was known then; before its first round, a company is valued as a startup because it later raised.
| Date | Valuation | Range | Predicted in 1 yr | Phase | Headcount | Trend | Grade | Winding-down probability |
|---|---|---|---|---|---|---|---|---|
| 1 Jan 2021 | $18.2M | $6.62M – $49.9M | $20.2M (+11%) | before first round | – | unknown | D | 0% |
| 1 Feb 2021 | $18.3M | $6.68M – $50.4M | $20.4M (+11%) | before first round | – | unknown | D | 0% |
| 1 Mar 2021 | $18.5M | $6.73M – $50.8M | $20.5M (+11%) | before first round | – | unknown | D | 0% |
| 1 Apr 2021 | $18.7M | $6.79M – $51.3M | $20.7M (+11%) | before first round | – | unknown | D | 0% |
| 1 May 2021 | $18.8M | $6.85M – $51.7M | $20.8M (+11%) | before first round | – | unknown | D | 0% |
| 1 Jun 2021 | $19.0M | $6.92M – $52.2M | $21.0M (+10%) | before first round | – | unknown | D | 0% |
| 1 Jul 2021 | $19.2M | $6.98M – $52.7M | $21.1M (+10%) | before first round | – | unknown | D | 0% |
| 1 Aug 2021 | $19.3M | $7.04M – $53.1M | $21.3M (+10%) | before first round | – | unknown | D | 0% |
| 1 Sep 2021 | $19.5M | $7.11M – $53.6M | $21.5M (+10%) | before first round | – | unknown | D | 0% |
| 1 Oct 2021 | $19.7M | $7.17M – $54.1M | $21.6M (+10%) | before first round | – | unknown | D | 0% |
| 7 Oct 2021 | $55.7M | $36.5M – $169M | $111M (+100%) | after a round | – | unknown | C | 0% |
| 1 Nov 2021 | $58.4M | $36.5M – $169M | $111M (+90%) | after a round | – | unknown | C | 0% |
| 1 Dec 2021 | $61.8M | $36.5M – $169M | $111M (+80%) | after a round | – | unknown | C | 0% |
| 1 Jan 2022 | $65.5M | $36.5M – $169M | $111M (+70%) | after a round | – | unknown | C | 0% |
| 1 Feb 2022 | $69.5M | $36.5M – $169M | $111M (+60%) | after a round | – | unknown | C | 0% |
| 1 Mar 2022 | $73.3M | $36.5M – $169M | $111M (+52%) | after a round | 24 | unknown | C | 0% |
| 1 Apr 2022 | $77.7M | $36.5M – $169M | $111M (+43%) | after a round | 24 | unknown | C | 0% |
| 1 May 2022 | $82.3M | $36.5M – $169M | $111M (+35%) | after a round | 24 | unknown | C | 0% |
| 1 Jun 2022 | $87.3M | $36.5M – $169M | $111M (+27%) | after a round | 24 | unknown | C | 0% |
| 1 Jul 2022 | $92.4M | $36.5M – $169M | $111M (+20%) | after a round | 24 | unknown | C | 0% |
| 1 Aug 2022 | $98.0M | $36.5M – $169M | $111M (+13%) | after a round | 24 | unknown | C | 0% |
| 10 Aug 2022 | $119M | $104M – $247M | $215M (+80%) | after a round | 24 | unknown | B | 0% |
| 1 Sep 2022 | $124M | $104M – $247M | $215M (+73%) | after a round | 24 | unknown | B | 0% |
| 1 Oct 2022 | $130M | $104M – $247M | $215M (+65%) | after a round | 24 | unknown | B | 0% |
| 1 Nov 2022 | $137M | $104M – $247M | $215M (+57%) | after a round | 24 | unknown | B | 0% |
| 1 Dec 2022 | $143M | $104M – $247M | $215M (+50%) | after a round | 24 | unknown | B | 0% |
| 1 Jan 2023 | $151M | $104M – $247M | $215M (+43%) | after a round | 49 | growing | B | 0% |
| 1 Feb 2023 | $158M | $104M – $247M | $215M (+36%) | after a round | 49 | growing | B | 0% |
| 1 Mar 2023 | $166M | $104M – $247M | $215M (+30%) | after a round | 49 | growing | B | 0% |
| 1 Apr 2023 | $174M | $104M – $247M | $215M (+23%) | after a round | 49 | growing | B | 0% |
| 1 May 2023 | $183M | $104M – $247M | $215M (+18%) | after a round | 49 | growing | B | 0% |
| 1 Jun 2023 | $192M | $104M – $247M | $215M (+12%) | after a round | 49 | growing | B | 0% |
| 1 Jul 2023 | $202M | $104M – $247M | $215M (+7%) | after a round | 49 | growing | B | 0% |
| 1 Aug 2023 | $212M | $104M – $247M | $215M (+1%) | after a round | 49 | growing | B | 0% |
| 1 Sep 2023 | $215M | $105M – $247M | $215M (0%) | after a round | 49 | growing | B | 0% |
| 1 Oct 2023 | $233M | $108M – $268M | $233M (0%) | after a round | 71 | growing | B | 0% |
| 1 Nov 2023 | $233M | $110M – $268M | $233M (0%) | after a round | 71 | growing | B | 0% |
| 1 Dec 2023 | $233M | $112M – $268M | $233M (0%) | after a round | 71 | growing | B | 0% |
| 1 Jan 2024 | $233M | $115M – $268M | $233M (0%) | after a round | 71 | growing | B | 0% |
| 1 Feb 2024 | $234M | $117M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 Mar 2024 | $234M | $120M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 Apr 2024 | $234M | $122M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 May 2024 | $234M | $125M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 Jun 2024 | $234M | $127M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 Jul 2024 | $234M | $130M – $269M | $234M (0%) | after a round | 72 | growing | B | 0% |
| 1 Aug 2024 | $247M | $107M – $284M | $247M (0%) | after a round | 92 | up | B | 0% |
| 1 Sep 2024 | $247M | $81.1M – $284M | $246M (0%) | after a round | 92 | up | C | 0% |
| 1 Oct 2024 | $247M | $78.7M – $284M | $246M (0%) | after a round | 92 | up | C | 0% |
| 1 Nov 2024 | $261M | $130M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Dec 2024 | $261M | $130M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Jan 2025 | $261M | $130M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Feb 2025 | $261M | $130M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Mar 2025 | $261M | $130M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Apr 2025 | $261M | $131M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 May 2025 | $261M | $131M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 1 Jun 2025 | $261M | $131M – $301M | $261M (0%) | after a round | 120 | growing | B | 0% |
| 13 Jun 2025 | $1.0B | $709M – $2.1B | $1.5B (+50%) | after a round | 120 | growing | B | 0% |
| 1 Jul 2025 | $1.0B | $709M – $2.1B | $1.5B (+47%) | after a round | 169 | growing | B | 0% |
| 1 Aug 2025 | $1.1B | $716M – $2.2B | $1.5B (+43%) | after a round | 177 | growing | B | 0% |
| 1 Sep 2025 | $1.1B | $716M – $2.2B | $1.5B (+38%) | after a round | 177 | growing | B | 0% |
| 1 Oct 2025 | $1.1B | $722M – $2.2B | $1.5B (+34%) | after a round | 184 | growing | B | 0% |
| 1 Nov 2025 | $1.2B | $725M – $2.2B | $1.5B (+30%) | after a round | 187 | growing | B | 0% |
| 1 Dec 2025 | $1.2B | $725M – $2.2B | $1.5B (+25%) | after a round | 187 | growing | B | 0% |
| 1 Jan 2026 | $1.3B | $725M – $2.2B | $1.5B (+21%) | after a round | 187 | growing | B | 0% |
| 1 Feb 2026 | $1.4B | $758M – $2.3B | $1.6B (+19%) | after a round | 230 | growing | B | 0% |
| 1 Mar 2026 | $1.4B | $758M – $2.3B | $1.6B (+14%) | after a round | 230 | growing | B | 0% |
| 1 Apr 2026 | $1.5B | $758M – $2.3B | $1.6B (+10%) | after a round | 230 | growing | B | 0% |
| 1 May 2026 | $1.6B | $772M – $2.3B | $1.6B (+6%) | after a round | 250 | growing | B | 0% |
| 1 Jun 2026 | $1.6B | $772M – $2.3B | $1.6B (+2%) | after a round | 250 | growing | B | 0% |
| 1 Jul 2026 | $1.6B | $778M – $2.3B | $1.6B (0%) | after a round | 250 | growing | B | 0% |
| 1 Aug 2026 | $1.6B | $787M – $2.3B | $1.6B (0%) | after a round | 250 | growing | B | 0% |
| 21 Aug 2026 | $1.5B | $1.3B – $2.2B | $2.0B (+30%) | after a round | 250 | growing | A | 0% |
| 1 Sep 2026 | $1.5B | $1.3B – $2.2B | $2.0B (+29%) | after a round | 250 | growing | A | 0% |
| 1 Oct 2026 | $1.5B | $1.3B – $2.2B | $2.0B (+26%) | after a round | 304 | growing | A | 0% |
| 24 Oct 2026 | $1.6B | $1.3B – $2.3B | $2.0B (+26%) | after a round | 330 | growing | A | 0% |
Key facts about Muon Space
- Founded
- 2021
- Headquarters
- Mountain View, United States
- Employees
- about 330 +79% in a year
- Total raised
- $431M
- Funding rounds
- 4
- Last round
- Series C Aug 2026
Muon Space was founded in 2021 by Dan McCleese, Jonny Dyer, Pascal Stang, Paul Day and Reuben Rohrschneider.
Muon Space funding history
Muon Space has 4 funding rounds on record, from Oct 2021 to Aug 2026, $431M in total. The latest disclosed valuation is $1.50B post-money (Series C, Aug 2026).
Series C 20 Aug 2026
Led by Eclipse; with Galvanize, GV, Salesforce Ventures, Wellington Management, I Squared, Woven Capital, Radical Ventures, Congruent Ventures, Costanoa, Activate Capital, ACME Capital, ArcTern Ventures, Overlap Holdings.
Sources: muonspace.com, payloadspace.com, satellitetoday.com and 4 more
$250M
$1.50B post-money
Series B 12 Jun 2025
Led by Congruent Ventures; with Activate Capital, ACME Capital, Costanoa, Radical Ventures, ArcTern Ventures.
Sources: prnewswire.com
$146M
Series A 9 Aug 2022
Led by Radical Ventures; with Costanoa, Congruent Ventures, Space Capital, Ubiquity Ventures.
$25M
$119M post-money
Seed 6 Oct 2021
Led by Costanoa; with Space Capital, Congruent Ventures, Ubiquity Ventures, South Park Commons, Climactic.
Sources: ctvc.co, spacenews.com, satellitetoday.com and 1 more
$10M
Muon Space investors
18 investors have backed Muon Space; Congruent Ventures, Costanoa and Radical Ventures and 1 more led at least one round.
- Eclipse lead
- GV
- Salesforce Ventures
- Wellington Management
What Muon Space does
Muon Space works in aerospace and defence, with 15 recorded offerings and customers in aerospace, government, environmental and security.
Muon Space, Inc. is an American aerospace company engaged in the design, development, and operation of satellite constellations for Earth monitoring and mission-critical applications. The company provides satellite constellation solutions for government agencies, private organizations, and global entities, with a focus on weather data, geospatial intelligence, and natural resource management. Muon Space also operates as a provider of Earth intelligence services, utilizing proprietary technology for spacecraft platforms, payload integration, and software-defined orchestration. The company maintains production facilities in Silicon Valley, California, and serves clients in the defense, civil, commercial, and national security sectors.
Description from Veridion's company data.
Products and services
- Satellite Constellation Design and Construction
- Satellite Platform Manufacturing
- Payload Integration and Management
- Digital Engineering Simulation Services
- Data-Centric Middleware Development
- Software-Defined Satellite Orchestration Solutions
- Earth Monitoring Data Delivery
- Geospatial Intelligence Data Delivery
- Natural Resource Management Data Delivery
- Climate Monitoring Data Delivery
- Environmental Security Data Delivery
- Real-Time Space Compute Enablement
- Modular Satellite Hardware Manufacturing
- Satellite Constellation Operation and Maintenance
- Mission-Specific Satellite System Customization
Markets
- Aerospace
- Government
- Environmental
- Security
Technology
- Software-Defined Satellites
- Digital Engineering and Simulation Platform
- Data-Centric Middleware Architecture
- Robust Payload Integration and Management
Business model
- Business-to-Business
- Manufacturing
- Software-as-a-Service
- Enterprise
Industry codes (NAICS)
- 336414 Guided Missile and Space Vehicle Manufacturing 70% match
- 541511 Custom Computer Programming Services 30% match
Questions about Muon Space
What is Muon Space worth?
Valuation $1.6B (range $1.3B to $2.3B), as of 24 Oct 2026. The last disclosed valuation was $1.50B (Series C, Aug 2026).
Has Muon Space raised money?
Muon Space has 4 funding rounds on record, from Oct 2021 to Aug 2026, $431M in total. The latest disclosed valuation is $1.50B post-money (Series C, Aug 2026).
Who has invested in Muon Space?
Congruent Ventures, Costanoa, Radical Ventures, Eclipse, ACME Capital and Activate Capital, and 12 more. Lead investors include Congruent Ventures, Costanoa, Radical Ventures and Eclipse.
How many people work at Muon Space?
About 330, up 79% over the last year. Headcount grew from 24 in Mar 2022 to 330 in Oct 2026.
What does Muon Space do?
Muon Space works in aerospace and defence, with 15 recorded offerings and customers in aerospace, government, environmental and security. Its main offerings are satellite constellation design and construction, satellite platform manufacturing and payload integration and management.
When was Muon Space founded, and where is it based?
Muon Space was founded in 2021 and is based in Mountain View, United States. It has about 330 employees, up 79% over the last year.