Microsoft records $3.2B gain from Anthropic investment, OpenAI marked down $600M
In the fourth quarter of fiscal 2026, Microsoft announced a $3.2 billion profit from its investment in Anthropic, which contributed an additional 33 cents to diluted earnings per share. This investment, amounting to $5 billion, was made in November 2025 as part of a reciprocal arrangement, where Anthropic agreed to purchase $30 billion in Azure services. Conversely, Microsoft reduced its investment in OpenAI by around $600 million, leading to a decrease of about 7 cents per share in diluted EPS. Microsoft holds approximately 27% of OpenAI and evaluates this investment quarterly, while the value of the Anthropic investment is not updated regularly. Overall, Microsoft reported $90 billion in revenue and $35.8 billion in net income for the quarter, with annual figures of $331.8 billion in revenue and $133.7 billion in net income. Notably, the gain from Anthropic nearly equaled the annual profit from OpenAI within just one quarter, as Microsoft's OpenAI investment yielded a $5 billion gain and added $0.67 to EPS for the year.
Key facts
- Microsoft recorded a $3.2 billion gain from its Anthropic investment in Q4 fiscal 2026.
- The gain boosted diluted EPS by 33 cents.
- Microsoft invested $5 billion in Anthropic in November 2025.
- Anthropic agreed to buy $30 billion worth of Azure services.
- Microsoft marked down its OpenAI investment by $600 million in the same quarter.
- The OpenAI write-down reduced diluted EPS by about 7 cents.
- Microsoft owns approximately 27% of OpenAI.
- Microsoft reported $90 billion revenue and $35.8 billion net income for Q4.
- Full-year revenue was $331.8 billion with net income of $133.7 billion.
- For fiscal year 2026, OpenAI investment generated a $5 billion gain and $0.67 EPS contribution.
Entities
Institutions
- Microsoft
- Anthropic
- OpenAI