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
Sports teams as an AI-insulated store of value
Mark Heim argued that professional sports teams are much more insulated from AI disruption than most entertainment and offer less downside risk than tech investments like OpenAI.
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