Activist investor Dan Loeb’s Third Point LLC made significant changes to its portfolio in the third quarter of 2025, increasing its stake in Microsoft Corporation by 175% to 1.1 million shares. Microsoft saw strong earnings growth, beating estimates in the last two quarters driven by Cloud and AI expansion.

In October, Microsoft signed a deal with OpenAI, forming a public benefit corporation valued at around $135 billion. Analysts predict Microsoft could reach a $5 trillion market cap, highlighting FY26 as a significant year for AI growth.

Dan Loeb also raised his stake in Meta Platforms by 47% to 220,000 shares. Meta plans to invest over $600 billion in the U.S. by 2028, focusing on AI technology and workforce capabilities for personal superintelligence.

Nvidia continues to see demand for its AI chips, projecting total revenue for its Blackwell and Rubin platforms to surpass $500 billion by 2026. The company’s GB300 platform is expected to dominate the AI server market, with Vera Rubin 200 gaining adoption.

Amazon surpassed Q3 earnings estimates, showing strong AWS sales growth. The company highlighted progress with AI platforms and signed new AWS agreements. However, Amazon shares declined by 1.58% in the last year compared to peers like Alibaba Group and PDD Holdings Inc.

In the last year, Nvidia shares rose by 24.55%, lagging behind VanEck Fabless Semiconductor ETF and Strive U.S. Semiconductor ETF. The company’s growth also trails Broadcom Inc. and Taiwan Semiconductor Manufacturing Company Ltd.

Dan Loeb increased his stake in Meta Platforms and Amazon also performed well in the third quarter, surpassing earnings estimates. Amazon highlighted advancements in AI platforms and signed new agreements.

Nvidia continues to see strong demand for its AI chips, projecting significant revenue growth for its platforms. The company is expanding in the Middle East and investing in AI infrastructure startups.

Overall, the tech sector is experiencing volatility, with some companies outperforming others in terms of share growth and revenue. Investors are closely monitoring tech giants like Microsoft, Meta, Amazon, and Nvidia for future growth potential.

Read more at Yahoo Finance: Billionaire Investor Doubles Down On AI, Boosts Stakes In Microsoft And Meta Despite 2025 Tech Volatility