SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Aetherflux logo Aetherflux Develops space-based solar power satellites that collect sunlight in low Earth orbit and transmit energy to portable ground receivers via infrared lasers vs K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions. K2 Space logo
HEAD-TO-HEAD1 shared sector
Aetherflux K2 Space
Founded 2024 2022
Headquarters San Carlos, California, USA Torrance, California, USA
Type private private
Status operating operating
Employees 40 159
Total funding $60M $429M
Latest round Series A Series C
Sectors Satellite Manufacturing, In-Space Manufacturing Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion
Products listed 3 3
Federal contracts
Launches
Leaders listed Baiju Bhatt, Joe Yaffe Karan Kunjur, Neel Kunjur, John Plumb
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Aetherflux and K2 Space compare?

Both companies work in Satellite Manufacturing. Aetherflux was founded in 2024 and K2 Space in 2022.

Which is larger, Aetherflux or K2 Space?

K2 Space reports the larger workforce, with 159 employees versus 40.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.