
Microsoft's AI Bet Pays Off: $3.2B Gain on Anthropic in One Quarter Nearly Matches OpenAI's Full-Year Return
Microsoft disclosed a $3.2 billion gain on its investment in AI lab Anthropic in Q4 fiscal 2026, nearly matching the $5 billion full-year gain from OpenAI. The gain boosted diluted EPS by $0.33, while OpenAI was marked down $600 million in the same quarter. Microsoft's dual investments in competing AI labs highlight its hedging strategy amid rapid AI market evolution.









