AEI HorizonX, AE Industrial Partners' venture capital investment platform formed in partnership with The Boeing Company, announced an investment in Solestial, Inc., a solar energy company for space. AEI HorizonX invested alongside Airbus Ventures, GPVC, Stellar Ventures, Industrious Ventures, and others in the $10 million oversubscribed seed round. This also marked the first investment from AEI HorizonX's second venture fund, which supports promising start-ups in future mobility, space, sustainability, digital enterprise applications, networks, and security.