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OpenAI, the company behind ChatGPT, is planning to hold its initial public offering (IPO) as early as the fourth quarter of 2026, with a current valuation of $852 billion. The company reported revenues of $13 billion in 2025, a 225% increase, and projects $30 billion in sales for 2026, representing a 130% growth, which gives it a sales multiple of 65 times.
Microsoft holds a 27% equity stake in OpenAI, worth approximately $230 billion following its investment of $13 billion. Moreover, Microsoft’s partnership includes a revenue-sharing agreement whereby OpenAI will pay Microsoft 20% of its projected sales through 2032, potentially totaling $300 billion. This collaboration not only provides Microsoft with substantial exposure to OpenAI’s financial growth but also positions Microsoft favorably in the enterprise software and cloud computing markets.
The Ark Venture Fund has a significant investment in OpenAI, with an 11% stake alongside other private companies like SpaceX and Anthropic, contributing to its recent return of 151% since launch in August 2022. However, the fund is considered a higher-risk investment due to its heavy concentration in private companies and its limited liquidity options.
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