No. Muon Space is private and has not filed to go public. There is no S-1 on file.
What is Muon Space's valuation in 2026?
Muon Space is valued at $1.5B as of 08/20/2026, set by its Series C ($250M, Aug 2026). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Muon Space filed an S-1?
No public S-1 is on file for Muon Space.
Who are Muon Space's investors?
Muon Space's investors include Eclipse Capital, Galvanize, Google, Salesforce Ventures, Wellington Management, I Squared Capital and 1 more.
Is Muon Space publicly traded — can you buy Muon Space stock?
No. Muon Space is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Muon Space on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
HQ
Mountain View, CA
Last Round
Series C — $250M (Aug 2026) · Lead: Eclipse Capital
Fundraising Status
Series C · $250M · 2 mo ago
1 disclosed rounds
Series C Impact
Round Size
$250M
Primary financing announced
Post-Money Valuation
$1.5B
Company-announced mark
Round / Post-Money
16.7%
New capital ÷ post-money
Step-up compares disclosed post-money valuations. Round / post-money is a financing-size ratio, not an ownership or dilution estimate.
Funding History
Round
Amount
Date
Lead Investor
Post-Money
Series C
$250M
Aug 2026
Eclipse Capital
$1.5B
Vertical Intelligence — Defense / Aerospace
Federal awards
10
prime contracts, last 36 months
Obligated
$12.91M
top: Department of Defense
Largest award
$3.19M
National Aeronautics and Space Administration
Latest award
2026-09-29
Largest award: THE PURPOSE OF THIS TO IS PROCURE DATA FROM MUON FOR EVALUATION BY CSDA. (80HQTR26F0018)
Name-verified against recipient "MUON SPACE INC" on USASpending.gov as of 2026-10-07. Prime awards only — subcontracts and classified work are not visible in the public registry. Verify on USASpending.gov ↗
Talent Signal
Hiring trend
▲ Hiring uptrend
+15% vs 2026-08
Open roles
121
via greenhouse
Product-build share
80%
engineering, research, product, design
Trajectory
expanding
heavy product build — 80% of open roles are product-building functions (engineering/research/product) — 55 of 121 open roles are engineering.
No tracked executive churn; open roles trending up.
Counted from Muon Space's live job board as of 2026-09-21; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Investors
Eclipse Capital · Galvanize · Google · Salesforce Ventures · Wellington Management · I Squared Capital · Woven Capital
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-08-20. Refreshed quarterly.