
Founded in 1981 by Masayoshi Son, SoftBank Group is a Japanese multinational conglomerate and one of the world's largest technology investors. Its Vision Fund 1 ($98.6B, launched 2017) was the largest tech focused venture fund in history, backed by Saudi Arabia's PIF and Abu Dhabi's Mubadala. Vision Fund 2 ($56B) followed in 2019. Across both funds the portfolio spans 343 companies, producing 129 unicorns, 45 IPOs, and 35 acquisitions, including DoorDash, Flipkart, and Swiggy. In 2025, SoftBank committed $30B to OpenAI and co-founded the $500B Stargate AI infrastructure project alongside Oracle and MGX.