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Cowboy Space

Space
3Rounds
1Articles
General InformationUnable to identify Cowboy Space as an established space-tech company in available sources.
Funding & FinancialsFunding information not available.
Leadership & TeamTeam composition not confirmed.
Recent ActivityRecent activity not verified.

Highlights

Total Raised
3 rounds
Latest Round
$275
Jun 11, 2026
Stage
space-tech
Employees
Headquarters
News Coverage
1 articles
Last: 1mo ago
Talent Signals
2 moves
SEC Filings

Backers

Andreessen Horowitz
Baiju Bhatt
Blossom Capital
Breakthrough Energy Ventures
Construct Capital
Index Ventures
Interlagos
IVP
NEA
SAIC

Funding History

$275
2026
Series B
$275
2026
Series B
$275
2026
Series B
SEC Form D   Editorial
Jun 11, 2026
$275 millionSeries B · Editorial

Investors: Index Ventures

Space-based AI data center company Cowboy Space (formerly Aetherflux) raised $275 million Series B to launch solar-powered AI satellites on its own rocket.

May 28, 2026
$275 millionSeries B · Editorial

Investors: Index Ventures, IVP, Blossom Capital, SAIC, Breakthrough Energy Ventures, Construct Capital, Andreessen Horowitz, NEA, Interlagos, Baiju Bhatt

Cowboy Space (formerly Aetherflux) raised $275 million Series B to develop orbital data centers and launch infrastructure, featuring its Stampede satellite constellation for in-orbit compute.

May 13, 2026
$275 millionSeries B · Editorial

Investors: Index Ventures

Space-tech company developing AI data centers in orbit to launch on its own reusable rocket, raised Series B funding for constellation development and launch operations.

News Coverage 1

Talent 2

Warren Lamont
hireformer Blue Origin propulsion engineerMay 12, 2026
Source →
Tyler Grinnell
hireformer SpaceX launch directorMay 12, 2026
Source →

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