Muon Space

Muon Space designs, builds, and operates satellite constellations.

Latest funding

$250M Series B+ · August 20, 2026

Led by Eclipse Capital · Source: siliconangle.com

Total raised: $386.2M across 5 sourced rounds

All 5 rounds ↓

Website: muonspace.com.

X: @MuonSpace · 1,688 followers.

LinkedIn: linkedin.com.

Categories: Robotics and hardware Defense and security Cybersecurity.

Sectors: Aerospace, Analytics, Manufacturing, Satellite Communication.

Stage: Series B+.

Based in: Mountain View, United States.

Founded: 2021.

Total raised: $386.2M in 5 sourced rounds.

Last round: Aug 20, 2026 · 87 days ago.

Headcount: 251–500 employees.

On Recent Funding since: Sep 29, 2026.

Signals

X account@MuonSpace · created Jul 30, 2021 (5 years old) · 1,688 followers

Website registeredSep 19, 2020 (6 years old)

About Muon Space

It provides services including mission design, spacecraft platforms, payloads and data products, orbital AI, constellation production, and managed orbital services. Its customers are organizations in national security, commercial, and civil sectors. Muon Space sells its Mission Foundry services under a single contract.

TIMELINE · MONEY RAISED

Muon Space | 382 days from website to first raise on record

@MuonSpace·Raised $386M in 5 sourced rounds·2 signals before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

Date	Round	Amount	Lead	Source
Aug 20, 2026	Series B+	$250M	EEclipse Capital	siliconangle.com
Jun 12, 2025	Series B+	$44.5M	CCongruent Ventures	payloadspace.com
Aug 5, 2024	Series B+	$56.7M	AActivate Capital	spacenews.com
Aug 9, 2022	Series A	$25M	RRadical Ventures	techcrunch.com
Oct 6, 2021	Seed	$10M	CCostanoa Ventures	siliconangle.com

Timeline

July 30, 2021
X account created
September 19, 2020
Website created

Founders and team

JD
Jonathan Dyer CEO & Co-Founder

@jonnydyer · LinkedIn · source: muonspace.com
PS
Pascal Stang CTO & Co-Founder

LinkedIn · source: muonspace.com
DM
Dan McCleese Founder

LinkedIn
PD
Paul Day VP Production & Co-Founder

LinkedIn · source: muonspace.com
RR
Reuben Rohrschneider Chief Mission Architect & Co-Founder

source: muonspace.com
GB
Gautier Brunet Vice President of Product
GS
Gregory Smirin President
RG
Ryan Gray Chief Financial Officer

Acquisitions

Acquired company	Price	Announced
SStarlight Engines	Not disclosed publicly	Date not given

Investors

Companies like Muon Space

LLoft Orbital$170M Series B+ · Jan 2025
AAerospacelab$110M Series B+ · Sep 2025
KK2 Space$500M Series B+ · Jul 2026
AAalyria$100M Series B+ · Feb 2026
AAstranis$300M Series B+ · May 2026
MMP Space$16.16M Seed · Oct 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/muon-space (get a free API key).