Zortix matched this thesis to OpenAI’s public holders (MSFT, SFTBY, AMZN, NVDA) as one way public-market investors are exposed to it. Stakes as disclosed or reported. Not a recommendation.
Where these come from — OpenAI’s exposure, as disclosed or reported
MSFTMicrosoft — about 27% of OpenAI Group PBC (reported); roughly $13bn invested since 2019. · as of Aug 2026 · Press reporting (The Motley Fool, 2026-08-13)
SFTBYSoftBank Group — about 11.7% (reported), financed in part by a $40bn bridge loan maturing March 2027. · as of Aug 2026 · Press reporting (The Motley Fool, 2026-08-13)
AMZNAmazon — preferred stock in OpenAI, carried together with its Anthropic preferred at a $122.3bn combined carrying value as of 30 June 2026. · as of 30 Jun 2026 · Amazon 10-Q for the quarter ended 30 June 2026 (filed 2026-07-31)
NVDANvidia — letter of intent to invest up to $100bn progressively as compute is deployed (September 2025). · as of Sep 2025 · Company announcement, 2025-09-22
Capital access flips startup-incumbent power
The guest argued that AI startups now have a capital advantage that puts them on competitive footing with incumbents like Microsoft and Google, solving the traditional distribution and demand problems.
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