The Motley Fool·2025-11-22 20:17Core Insights - Billionaire investor Stanley Druckenmiller has opened new positions in Amazon, Meta Platforms, and Alphabet during Q3, while exiting positions in Microsoft and Broadcom [1] Group 1: Amazon - Amazon's stock was Druckenmiller's largest individual purchase in Q3, with a current price of $220.69 and a market cap of $2,359 billion [3][6] - Amazon Web Services (AWS) is the largest source of profits for Amazon, with revenue growth accelerating to 20% in Q3 [3][4] - AWS is investing heavily in AI, including a $38 billion deal with OpenAI and the development of Project Rainer [4] - Amazon is enhancing its e-commerce operations and ad business through AI, leading to strong operating leverage [5] Group 2: Meta Platforms - Meta Platforms is leveraging AI to improve advertising campaigns and user engagement, resulting in a 26% revenue growth last quarter [7] - The company is beginning to serve ads on WhatsApp and Threads, presenting significant revenue growth opportunities [8] - Meta is currently the cheapest among the "Magnificent Seven" stocks, trading at a forward P/E ratio of under 19.5 times 2026 analyst estimates [8] Group 3: Alphabet - Alphabet's cloud business is experiencing rapid growth, with revenue soaring 34% and operating income increasing by 89% last quarter [10] - The company has a comprehensive tech stack and is developing advanced AI capabilities, including its Gemini foundational large language model [11] - Alphabet's search business is benefiting from AI, with search revenue growth accelerating to 15% [12] - The stock is trading at a forward P/E of around 25 times 2026 analysts' estimates, indicating attractive pricing given long-term opportunities [13]