【OpenAI】OpenAI's equity structure leaked? Microsoft’s stake rises to 26.8%, with returns over 17 times. Hollywood celebrities are involved?

OpenAI just completed a $122 billion funding round at a $85.2 billion valuation. International media quoted a purported cap table of OpenAI circulating online, showing OpenAI’s top five shareholders are Microsoft (U.S.: MSFT) with a 26.79% stake, the OpenAI Foundation with a 25.8% stake, the SoftBank Group with an 11.66% stake, Amazon (U.S.: AMZN) with a 4.66% stake, and Nvidia (U.S.: NVDA) with a 3.47% stake.

Current and former OpenAI employees combined hold about 20%, but what’s surprising is that the CEO, Sam Altman, has no stake at all.

SoftBank Group invests in OpenAI, returns about 1.5x

According to data from Forbes cited by the Wall St Engine on the X platform, Microsoft is OpenAI’s largest single shareholder, with total investment commitments of about $13 billion, deployed in multiple tranches, including $1 billion in 2019, $10 billion in January 2023, and an additional $2 billion in 2024. Based on OpenAI’s latest $85.2 billion valuation, the value of the equity stake is about $228.3 billion, for a book return of more than 17x.

	![](https://img-cdn.gateio.im/social/moments-a5dfbf2ac1-666218e7af-8b7abd-badf29)

			
			▲ A purported OpenAI cap table circulating online

As for the investment cost from SoftBank Group, owned by Sun Zhengyi, it was $64.6 billion, which has risen to about $99.3 billion, for an investment return of about 1.5x. Nvidia holds about 3.47% of OpenAI shares, worth $29.6 billion, slightly lower than its $30.1 billion investment cost.

According to the list circulating online, Hollywood A-list star Ashton Kutcher, who has appeared in films such as “The Butterfly Effect” and “Jobs,” is actually also one of OpenAI’s shareholders. Ashton invested in OpenAI through his fund, Sound Ventures, holding about 0.15% equity, with an investment cost of about $30 million. At the latest valuation, that stake is worth about $1.3 billion, for a return multiple of about 43x.

	![](https://img-cdn.gateio.im/social/moments-15690f077c-0222db099f-8b7abd-badf29)

			
			▲ Ashton Kutcher previously appeared in films such as “The Butterfly Effect” and “Jobs”

However, Ashton is not Sound Ventures’ only investor; the fund also has other shareholders.

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