Microsoft's Anthropic Bet Gains $3.2B; OpenAI Down $600M
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- Microsoft's Anthropic investment posted a $3.2B gain in Q4 of its fiscal 2026 year (ended June 30).
- Microsoft's OpenAI investment was marked down ~$600M in the same quarter but still generated a $5B gain on a full-year basis.
Why it matters: Microsoft's divergent Q4 results — a $3.2B Anthropic gain against a ~$600M OpenAI markdown — show that the tech giant's two flagship AI bets are paying off unevenly in any given quarter, even as OpenAI still nets $5B over the full fiscal year.
