# Cowboy Space Corporation funding: rounds and investors

> Cowboy Space Corporation has raised $275M across 1 round since 2026. Investors include Index Ventures, Andreessen Horowitz and IVP. Every round with its source.

Source: https://millionrounds.com/company/cowboy-space-corporation (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Cowboy Space Corporation*

One round we have observed, with the 7 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & Space AI Big Data & Analytics Cloud

Raised 6 months ago

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Funding summary Updated 5 Nov 2026

**$275M** raised across 1 round since 2026, from 3 sources

- **Latest round:** Series B, $275M May 2026
- **Led by:** Index Ventures
- **Investors:** 7 (1 led)

See who backed them

## The rounds

- **May 2026** Series B **$275M** [Index Ventures](https://millionrounds.com/fund/index-ventures) Lead [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [IVP](https://millionrounds.com/fund/ivp) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Construct Capital](https://millionrounds.com/fund/construct-capital) [Blossom Capital](https://millionrounds.com/fund/blossom-capital) [SAIC](https://millionrounds.com/fund/saic) Reported by TechCrunch and 2 others SEC filing: $305M sold

## Funding filed with regulators

Cowboy Space Corporation filed one raise, $305M in all. Filings say how much was sold and to how many investors; they never name the investors.

- May 2026 **$305M** 78 investors SEC Form D

## Everyone who backed them

[Index Ventures](https://millionrounds.com/fund/index-ventures) VC firm **1** round, led 1

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round

[IVP](https://millionrounds.com/fund/ivp) VC firm **1** round

[Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **1** round

[Construct Capital](https://millionrounds.com/fund/construct-capital) VC firm **1** round

[Blossom Capital](https://millionrounds.com/fund/blossom-capital) VC firm **1** round

[SAIC](https://millionrounds.com/fund/saic) Investment firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=cowboy-space-corporation).

## Also claim to have backed them

These 3 firms list Cowboy Space Corporation as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Litquidity Ventures](https://millionrounds.com/fund/litquidity-ventures) VC firm Per its own site

[Byers Capital](https://millionrounds.com/fund/byers-capital) Family office Per its own site

[Worldbuild](https://millionrounds.com/fund/worldbuild) VC firm Per its own site

## Quick answers about Cowboy Space Corporation

### Who invested in Cowboy Space Corporation?

Cowboy Space Corporation's investors include Index Ventures, Andreessen Horowitz, IVP, Breakthrough Energy and Construct Capital, and 2 more on record. Index Ventures led its latest round.

### How much has Cowboy Space Corporation raised?

Cowboy Space Corporation has raised $275M across 1 round since 2026.

### When did Cowboy Space Corporation last raise?

Cowboy Space Corporation's most recent round was a Series B of $275M in May 2026, led by Index Ventures.

### What was Cowboy Space Corporation's biggest round?

Its most recent round, $275M in May 2026, is also its largest on record.

### Who backed Cowboy Space Corporation first?

Cowboy Space Corporation's first round on record, in May 2026, was backed by Index Ventures, Andreessen Horowitz and IVP and 4 others.

### What stage is Cowboy Space Corporation at?

Cowboy Space Corporation's latest named round is a Series B, in May 2026.

### Where is Cowboy Space Corporation based?

Cowboy Space Corporation is based in the United States.

### Who led Cowboy Space Corporation's rounds?

Index Ventures led the Series B in 2026.

## Companies like Cowboy Space Corporation

In the same sector, and raised in the last eighteen months.

[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)

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