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SoftBank Vision Fund's $46B Surge Driven by OpenAI Stake

economy-finance · 2026-05-13

SoftBank's Vision Fund recorded a $46 billion investment gain in the last fiscal year, with the vast majority attributed to the rising valuation of its stake in OpenAI. The fund's annual performance was almost entirely dependent on this single bet, highlighting the concentrated risk in SoftBank's portfolio. The gain underscores the tech sector's AI boom and SoftBank's aggressive investment strategy under Masayoshi Son.

Key facts

  • SoftBank Vision Fund surged $46 billion last year.
  • Almost all of the gain came from its stake in OpenAI.
  • The gain reflects rising valuations of OpenAI.
  • The fund's performance was heavily concentrated on one investment.
  • SoftBank is led by Masayoshi Son.
  • The surge is linked to the AI sector's growth.

Entities

Institutions

  • SoftBank
  • SoftBank Vision Fund
  • OpenAI

Sources