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OpenAI eyes up to $1.5B for private equity venture

Reported by News
Apr 22, 2026· 2 min read
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Key Takeaways
  • • SoftBank invests $1.5 billion in OpenAI tender offer, allowing employees and former employees to liquidate shares while expanding the Japanese conglomerate's stake in the AI startup through its Vision Fund 2.
  • • Masayoshi Son, SoftBank's billionaire founder and CEO, drove the deal, persisting for a larger ownership position after the company's initial $500 million commitment in OpenAI's most recent funding round.
  • • Employees have until December 24 to participate in the secondary share sale, providing significant liquidity to current and former OpenAI staff without triggering the company's potential restructuring to for-profit status.
  • • OpenAI's valuation has surged to $157 billion within two years of ChatGPT's launch, with the company having raised $122 billion in its most recent mega-round at an $852 billion valuation—the largest venture capital deal in history.
  • • SoftBank's aggressive AI deployment strategy reflects Son's stated intention to reserve "tens of billions of dollars" for major artificial intelligence investments, with Vision Fund 2 simultaneously backing AI startups including Glean, Perplexity, and Poolside.
Summary
OpenAI has secured a $1.5 billion secondary investment from SoftBank, structured as a tender offer enabling employees and former employees to sell shares while expanding the Japanese tech conglomerate's position in the AI leader. According to CNBC reporting, the transaction was facilitated through SoftBank's Vision Fund 2, with participating employees granted a deadline of December 24 to decide on participation. The financing arrangement allows current and former OpenAI staff to achieve liquidity events while SoftBank increases its ownership stake in one of the world's most valuable private companies.

SoftBank founder and CEO Masayoshi Son initiated the deal, leveraging his influence to secure a larger equity position following the company's $500 million investment in OpenAI's preceding funding round. Son has publicly articulated his strategy to reserve substantial capital—"tens of billions of dollars"—for transformative artificial intelligence investments, positioning OpenAI as a centerpiece of his AI deployment thesis. The tender offer represents an extension of SoftBank's broader venture strategy across AI infrastructure, with Vision Fund 2 simultaneously backing AI-focused startups Glean, Perplexity, and Poolside.

OpenAI's valuation trajectory demonstrates exceptional capital market momentum. The company's valuation climbed to $157 billion within two years of ChatGPT's commercial launch, culminating in a $122 billion funding round at an $852 billion valuation—representing the largest venture capital financing in history. This secondary tender offer operates independently from OpenAI's ongoing restructuring discussions regarding potential conversion to for-profit status, according to sources familiar with the transaction.

SoftBank's investment underscores the capital intensity of frontier AI development and the investment appetite of major technology conglomerates for stakes in leading AI platforms. Vision Fund 2 maintains approximately 470 portfolio companies and manages roughly $160 billion in assets across SoftBank's two flagship funds, positioning the conglomerate as a major institutional player deploying capital into AI and adjacent infrastructure sectors.

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Sources

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News OpenAI eyes up to $1.5B for private equity venture