UP2398 is a venture capital firm founded in 2015 by Pierre Omidyar, Randy Ching, and Alex Poon. The firm specializes in seed-stage investments, focusing on sectors such as information technology, media and digital media, software, and internet services. Their investment philosophy centers on identifying and nurturing innovative startups with high growth potential.

UP2398's notable achievements include leading significant funding rounds for companies like Rad AI, which raised $60 million in a Series C round on January 30, 2025. The firm's key differentiators include a strong network of industry connections, a commitment to supporting founders through strategic guidance, and a focus on sectors poised for technological disruption. Geographically, UP2398 primarily invests in the United States, with a particular emphasis on the Silicon Valley ecosystem.