SoftBank’s AI Investments Propel Masayoshi Son to $55B Net Worth, Cementing Status as Japan’s Richest
Masayoshi Son’s net worth surged to $55.1 billion as SoftBank Group Corp shares rallied in 2025, driven by aggressive bets on AI infrastructure and semiconductor holdings. The Tokyo-based conglomerate has committed $500 billion to U.S. data center expansion and $30 billion to OpenAI, with stakes in Arm, Nvidia, and TSMC fueling its AI-centric portfolio.
SoftBank’s rebound marks a stark turnaround from its post-WeWork struggles, now positioning itself as a linchpin of the global AI supply chain. Son’s vision of an 'AI revolution' has attracted institutional capital, though critics question the sustainability of such concentrated tech exposure.