---
title: "Microsoft books $3.2B gain from Anthropic stake, OpenAI mixed"
url: https://www.parallelquant.com/posts/microsoft-books-3-2b-gain-from-anthropic-stake-openai-mixed-03a74c
source_name: "TechCrunch"
source_url: https://techcrunch.com/2026/07/29/microsoft-logs-3-2b-from-anthropic-investment-but-openai-was-a-mixed-bag/
published: 2026-07-29T22:46:03.000Z
topics: ["business", "llms"]
publisher: "Parallel Quant"
---

# Microsoft books $3.2B gain from Anthropic stake, OpenAI mixed

*2026-07-29 · Source: [TechCrunch](https://techcrunch.com/2026/07/29/microsoft-logs-3-2b-from-anthropic-investment-but-openai-was-a-mixed-bag/)*

In its fiscal Q4 2026 earnings (ended June 30), Microsoft disclosed a $3.2 billion gain tied to its investment in Anthropic. The company's stake in OpenAI, by contrast, produced mixed results this quarter.

**Why it matters:** This is one of the first concrete numbers showing how profitable Microsoft's AI lab bets have become, and it suggests Anthropic is currently the stronger-performing investment of the two. It also underscores how deeply Microsoft's own earnings are now tied to the fortunes of external AI labs it doesn't fully control, a dynamic worth watching as competition between Anthropic and OpenAI intensifies.

**Topics:** business, llms

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Read the original: https://techcrunch.com/2026/07/29/microsoft-logs-3-2b-from-anthropic-investment-but-openai-was-a-mixed-bag/
Canonical: https://www.parallelquant.com/posts/microsoft-books-3-2b-gain-from-anthropic-stake-openai-mixed-03a74c
Published by Parallel Quant — https://www.parallelquant.com