Microsoft's AI portfolio: $2.09T across 15 startups, Anthropic ($965B) beats OpenAI

TansuYegen · x · 2026-10-27

An infographic maps Microsoft and its venture fund M12's stakes in 15 private AI companies worth a combined $2.09T, 87% of it in two labs: Anthropic leads at $965B (up to $5B committed), ahead of OpenAI at $852B (25% stake worth $213B).

Other holdings:

Also noted: unpriced bets Inflection AI ($650M paid for license + hires) and G42, plus collapsed bets — GM Cruise ($800M write-down), Builder.ai (insolvent), Humane ($116M sale to HP).

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