Aetherflux raises $50M Series A from Index Ventures and Interlagos

Aetherflux/Galactic Brain

Aetherflux closed $50M in Series A funding in April 2025, co-led by Index Ventures and Interlagos, with participation from Andreessen Horowitz, Breakthrough Energy Ventures, and NEA. The round brings total capital raised to $60M and advances satellite development toward the Q1 2027 launch target.

• Series A: $50 million co-led by Index Ventures and Interlagos.
• Additional investors: Andreessen Horowitz, Breakthrough Energy Ventures, NEA.
• Angels include Vlad Tenev (Robinhood co-founder) and others.
• Funds accelerate Galactic Brain satellite engineering and ground infrastructure.
• Total raised to date: $60 million.