Billionaire Ken Griffin Just Increased His Position in This Artificial Intelligence (AI) Stock by Over 1,600% (Hint: It's Not Nvidia)

Group 1: Investment Insights - Billionaire Ken Griffin is selectively investing in AI stocks, notably increasing his position in Microsoft by 1,636% [4][2] - Citadel Advisors also significantly increased its stake in Nvidia by 414% and Amazon by 158% in Q2 2025 [3][2] - Microsoft has been a long-term holding for Citadel, with a stake valued at approximately $985 million at the end of Q2 [4][5] Group 2: Market Sentiment - Microsoft is highly favored among analysts, with 57 out of 58 recommending it as a buy or strong buy [6] - The stock has gained over 20% this year, with an average 12-month price target suggesting an upside potential of around 21% [7] Group 3: Company Performance - Microsoft reported revenue of $281.7 billion for the fiscal year ending June 30, 2025, reflecting a 15% year-over-year increase, with profits of $101.8 billion, up 16% [10] - The company is benefiting from the integration of OpenAI's GPT-5 and has expanded its AI partnerships, enhancing its product offerings [8][11] Group 4: Future Potential - The potential of agentic AI and quantum computing is highlighted as significant growth areas for Microsoft [12] - The relationship with OpenAI is viewed as a major advantage, especially with the popularity of ChatGPT and GPT-5 [11]