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SoftBank (9984.T) stock analysis, September 24, 2025: Stargate hits $500B, but Vision Fund cuts 20% staff: AI push or risk?

Published September 24, 2025 · updated 2025-12-29 · 9984.T chart, levels and live analysis

Key Updates

SoftBank Group continues to strengthen its AI position, gaining 2.30% to ¥18,660 after a major announcement expanding the Stargate project. Together with OpenAI and Oracle, the company unveiled plans for five new AI data centers, raising total investment in the project to $500 billion over three years. At the same time, the Vision Fund is being restructured with a 20% staff cut to refocus on large-scale AI investments.

Current Trend

The stock is on a solid uptrend with a YTD return of 103.16% and a six-month gain of 127.59%. Monthly performance of +21.13% confirms accelerating growth, backed by strategic AI initiatives. The current level of ¥18,660 sits near historic highs, reflecting strong bullish sentiment toward the company’s AI strategy.

Investment Thesis

The thesis rests on SoftBank’s transformation into a leading AI-ecosystem player through strategic partnerships and large-scale infrastructure projects. The Stargate project positions the firm as a key participant in building AI infrastructure in the U.S., creating long-term value by owning critical assets in the fast-growing AI sector.

Thesis Status

The thesis is reinforced by concrete steps to execute the AI strategy. Expanding Stargate to 7 GW of capacity and $500 billion of investment shows the scale of ambition and financial capability. The Vision Fund’s AI-focused restructuring demonstrates strategic consistency, though it introduces short-term operational risks.

Key Drivers

The primary catalyst is the announcement of five new AI data centers under Stargate, boosting total capacity to nearly 7 GW. Investments exceed $400 billion over three years, underscoring the project’s strategic importance. Meanwhile, the Vision Fund restructuring with a 20% staff reduction aims to streamline resources for AI investments.

Technical Picture

The stock trades around ¥18,660, up +4.07% on the day and +1.97% for the week. Monthly gain of +21.13% signals accelerating upward momentum. Six-month growth of 127.59% and YTD +103.16% confirm a strong bullish impulse. The current level is setting new highs with minimal technical resistance above.

Bull Case

  • Strategic partnership with OpenAI and Oracle in Stargate creates long-term competitive advantages in AI infrastructure (Reuters)
  • Massive $500 billion investment in AI data centers secures ownership of critical assets in a fast-growing sector (Barrons)
  • Expansion to 7 GW of capacity positions SoftBank as a key infrastructure provider for the AI industry (Investing.com)
  • Focused Vision Fund restructuring for AI investments improves capital efficiency (Simply Wall St)
  • Exposure to portfolio companies in autonomous driving, such as Wayve, adds additional upside (Economic Times)

Bear Case

  • The 20% staff cut at Vision Fund creates operational risks and could hurt investment decision quality (Simply Wall St)
  • Concentrating resources on AI projects raises sector concentration risk (Simply Wall St)
  • Massive $500 billion capital commitments could strain finances if the AI market underperforms (Reuters)
  • High current valuations with a YTD gain of 103.16% may leave little cushion in a market correction (Barrons)
  • Reliance on partners OpenAI and Oracle for key projects adds execution and control risks (Investing.com)
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