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Cowboy Space Corporation Raises $275M Series B Led by Index Ventures for AI Compute in Space.

PRIVATEMay 11, 2026•3 months ago

Amount Raised

$275 Million

Round Type

Series B

California

Investors

Baiju BhattInterlagosNeaAndreessen HorowitzConstruct CapitalBreakthrough Energy VenturesSaicBlossom CapitalIvpIndex Ventures

Description

Cowboy Space Corporation, previously Aetherflux, has secured $275M in Series B financing. The investment, led by Index Ventures, aims to enhance AI compute delivery in space. The company is developing Low Earth Orbit satellites and a dedicated launch vehicle. This funding will accelerate the development of vertically integrated orbital data centers.

Company Information

Company

Cowboy Space Corporation

Location

California, United States

About

Cowboy Space Corporation, formerly known as Aetherflux, is pioneering vertically integrated orbital infrastructure designed for the AI era. The company focuses on developing a unique constellation of Low Earth Orbit satellites, a purpose-built launch vehicle, and in-orbit computing solutions. Their innovative approach integrates rocket and data center designs from the ground up, optimizing power and compute capabilities in space. Cowboy Space is at the forefront of meeting the growing demand for AI compute that exceeds terrestrial infrastructure capacities.

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Strategic

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Funding Insights

Based on industry data
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach
VC-backed spending patterns
VC-backed companies spend 89% more on sales and 100% more on marketing than bootstrapped peers
Tech investment trends
83% of B2B companies plan digital investments, with 79% prioritizing customer experience tech

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