SoftBank has reinvented itself into a concentrated, leveraged public-market gateway to Arm + OpenAI and the “physicalization” of AI infrastructure.
Overview
As of late 2025, SoftBank Group has repositioned from a telecom-and-venture conglomerate into a concentrated, capital-intensive builder/owner of AI-era infrastructure aimed at enabling Artificial Super Intelligence (ASI). After a defensive 2022–2022023 phase of monetization and balance-sheet repair, Masayoshi Son is redeploying capacity into a tightly integrated AI stack. The thesis is now largely decoupled from historical pillars like Alibaba and is increasingly an arbitrage on **Arm’s architecture** spreading from mobile into data centers/edge AI, plus strategic exposure to **OpenAI** and large-scale compute infrastructure (e.g., “Stargate”). Financially, the Group posted record results for FY2026 H1 (ended Sept 30, 2025), driven predominantly by investment gains (OpenAI markup; Arm appreciation) rather than operating earnings, while maintaining strong credit metrics: NAV ~¥33.3T, liquidity ~¥4.2T, and conservative LTV 16.5%. Operations function as three symbiotic engines: (1) Arm-led strategic AI infrastructure (now ~half of NAV), (2) Vision Funds as harvesting/option value with major private holdings (ByteDance, Revolut), and (3) SoftBank Corp. telco as cash-yield anchor. The market has begun to recognize the transformation via a narrowing NAV discount to ~20–25%, but the stock remains high-beta and exposed to semiconductor cyclicality, valuation compression, and US–China geopolitical friction.