The Motley Foolยท2025-11-26 09:44Core Viewpoint - Ken Griffin's Citadel Advisors has significantly increased its investments in AI stocks, indicating a strong belief in the potential of these companies, particularly Microsoft, Meta Platforms, and Apple [1][2]. Group 1: Microsoft - Microsoft is Griffin's largest holding, with Citadel's stake exceeding $2 billion at the end of Q3 2025, reflecting a 100.3% increase during the quarter [3][6]. - The company reported an 18% year-over-year revenue increase to $77.7 billion, with its Intelligence Cloud segment, including Azure, seeing a remarkable 28% growth [6][7]. - Analysts are overwhelmingly bullish on Microsoft, with 56 out of 57 recommending it as a "buy" or "strong buy," and a consensus 12-month price target suggesting a potential upside of approximately 31% [4][6]. Group 2: Meta Platforms - Meta Platforms is Citadel's third-largest holding, with a staggering 12,693% increase in its position during Q3 [8]. - The company's revenue rose 26% year-over-year to $51.2 billion, supported by a massive user base of 3.54 billion average active daily users across its apps [9][10]. - Meta's investment in AI glasses has generated excitement, with new products selling out rapidly, and the potential development of artificial superintelligence (ASI) could significantly enhance growth prospects [11][12]. Group 3: Apple - Apple ranks as Citadel's fourth-largest holding, with a 108.2% increase in its position after acquiring an additional 2.56 million shares in Q3 [13]. - The company achieved a record high revenue of $102.5 billion for the September quarter, marking an 8% year-over-year increase, with services revenue reaching an all-time high of $28.8 billion [14][15]. - Apple's potential entry into the AI glasses market, leveraging its visionOS, could position it competitively against Meta and stimulate further iPhone upgrades [16].