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Funding round

Muon Space Seed

Muon Space, which works in satellite constellation design and construction in Mountain View, raised $10M in a Seed round announced on 6 Oct 2021, led by Costanoa. 6 firms took part. It is Muon Space's first venture round on record.

$10M

Amount raised

Not disclosed

Post-money valuation

6

Investors

1 lead

Valuation

What this round says about the price

Muon Space did not disclose a valuation in this round. It is Muon Space's first venture round on record, in the year it was founded (2021). It is 2.3% of the $431M Muon Space has raised in the venture rounds on record. Muon Space raised again 10 months later: a Series A round of $25M in Aug 2022, at $119M post-money.

Muon Space's funding rounds

Muon Space has 4 venture rounds on record. This one is highlighted.

  1. Seed this round 6 Oct 2021, led by Costanoa $10M
  2. Series A 9 Aug 2022, led by Radical Ventures $25M$119M post-money
  3. Series B 12 Jun 2025, led by Congruent Ventures $146M
  4. Series C 20 Aug 2026, led by Eclipse $250M$1.50B post-money

Investors

Who put money in

Costanoa led the round with 5 other firms.

Lead investor

  • backs 85 venture-backed companies new investor

Also in the round

  • backs 34 venture-backed companies new investor
  • backs 45 venture-backed companies new investor
  • backs 26 venture-backed companies new investor
  • backs 60 venture-backed companies new investor
  • backs 10 venture-backed companies new investor

Comparable rounds

How it compares

38 Seed rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $5.0M, and this round was 2.0 times the median. The closest in time, other companies' Seed rounds in Aerospace and Defence:

Seed rounds in Aerospace and Defence, Oct 2020 to Oct 2022: 38 rounds with an amount, log scale.
Comparable rounds
CompanyAnnouncedAmountPost-moneyLed by
Aerospace and Defence13 Oct 2021$6.2Mnot disclosednot named
Aerospace and Defence11 Oct 2021$1.7Mnot disclosedPrimo Space
Aerospace and Defence16 Nov 2021$10Mnot disclosedSpark Capital
Aerospace and Defence16 Nov 2021$10Mnot disclosednot named
The Exploration Company Aerospace and Defence18 Nov 2021$6.0Mnot disclosedPromus Ventures
Aerospace and Defence3 Nov 2021undisclosednot disclosedCap Vista
Aerospace and Defence27 Aug 2021$10Mnot disclosedPrime Movers Lab and 8VC
Aerospace and Defence9 Dec 2021$5.0Mnot disclosedBlume Ventures and growX

Sources

Where this comes from

Reported by 4 sources.

Questions

Frequently asked

How much did Muon Space raise in its Seed round?

Muon Space raised $10M in its Seed round, announced in Oct 2021.

Who led Muon Space's Seed round?

Costanoa led it, with Space Capital, Congruent Ventures, Ubiquity Ventures, South Park Commons and Climactic.

What was Muon Space's valuation at the Seed round?

It was not disclosed.

How does it compare with other Seed rounds in Aerospace and Defence?

38 Seed rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $5.0M, and this round was 2.0 times the median.

Did Muon Space raise again after this round?

Yes: a Series A round in Aug 2022 of $25M at $119M post-money.