Billionaire Investors Are Buying These 3 Artificial Intelligence (AI) Stocks Hand Over Fist

Group 1: Alphabet - Alphabet is a top pick among billionaire investors, with Izzy Englander's Millennium Management increasing its position by 150.8% in Q1 2025 [3] - Ken Griffin's Citadel Advisors raised its stake in Alphabet by 55.7% in Q1, while David Tepper's Appaloosa bought over 128,000 additional shares, increasing his holding by 6.8% [4] - The stock trades at a forward price-to-earnings ratio below 19, making it attractive compared to other "Magnificent Seven" stocks [5] - Alphabet is performing well in the AI space, with its Google Gemini 2.5 Pro ranking No. 1 on the LMArena leaderboard and Google Cloud being the fastest-growing among top cloud service providers [6] Group 2: Amazon - There is mixed sentiment among billionaire investors regarding Amazon, with Chase Coleman's Tiger Global Management increasing its stake by 2.7% and Englander's Millennium Management boosting its position by 5.3% [7] - However, Citadel Advisors reduced its Amazon holding by 43.5%, and Tepper's Appaloosa trimmed its position by 3.5% [8] - George Soros significantly increased his stake in Amazon by 30.5%, buying over 101,000 shares, making it the 11th largest holding in his $5.61 billion portfolio [8] - Amazon's earnings soared 64% year over year to $17.1 billion in Q1, reflecting its focus on improving profitability [9] - Amazon Web Services maintains the largest market share in cloud services, supported by its Amazon Bedrock platform, and the company recently introduced Alexa+, its next-generation AI assistant [9] Group 3: Meta Platforms - Meta Platforms shows varied opinions among billionaire investors, with Tiger Global maintaining its position but not making any trades in Q1 [10] - Englander and Griffin reduced their positions in Meta by 38.9% and 44.2%, respectively, while Tepper increased his stake by 12.2% [10] - Steve Cohen's Point 72 Asset Management significantly increased its position in Meta by 585% [11] - Meta's advertising market strength is notable, with 3.43 billion daily users across its apps and a 10% year-over-year increase in average ad prices [12] - Meta AI has nearly 1 billion monthly active users, and the company is a leader in AI-powered smart glasses, which CEO Mark Zuckerberg believes are ideal for AI [13]