Startup · United States
Cowboy Space Corporation
HQ Capitola, United StatesFounded 2023
Formerly Aetherflux, Cowboy Space Corporation is developing orbital infrastructure spanning launch vehicles, space-based power and in-orbit computing.
Funding1 round · $275M
- Disclosed
- $275M
- Latest
- $275MStage undisclosed · May 11, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| May 11, 2026 | Undisclosed | $275M | — | — | — | Reported |
- Undisclosed$275MMay 11, 2026
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
People1
Sources5
Profile3
- 1
Cowboy Space · Supports Organization · description, Organization · name, Organization · website
“Earth's energy grid can't run at the pace of AI. We are building a space-based power grid with solar-powered GPU data centers in Low Earth Orbit.”
- 2
Index Ventures · Supports Organization · aliases, Organization · description, Organization · name
“Cowboy Space Corporation (formerly Aetherflux) is building vertically integrated orbital infrastructure for the AI era, spanning launch vehicles, space-based power and in-orbit compute.”
- 3
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "a03ea863-1e8a-4b53-8520-2f90ecb0844d"}”
Funding1
- 4
May 11, 2026 · Supports Funding round
“has raised $275 million at a $2 billion valuation”
People1
- 5OtherBlack Flag 100
Black Flag · Supports Organization, Role
“Aetherflux is an aerospace company pioneering space-based solar power to provide abundant and renewable energy to households, businesses, and military”
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