The article discusses the investment portfolio of Renaissance Technologies, a highly successful quantitative hedge fund founded by billionaire Jim Simons. According to regulatory filings, Renaissance held a massive $1.9 billion stake in Nvidia, the leading producer of graphics processing units (GPUs) used in AI and gaming. The fund also had significant positions in Tesla ($1.1 billion) and GameStop ($700 million), reflecting its data-driven approach to investing. Renaissance’s strategies rely heavily on mathematical models and AI to identify profitable trades across various asset classes. The firm’s outsized bets on companies like Nvidia and Tesla underscore its confidence in the growth potential of AI and electric vehicles. While Renaissance’s strategies are closely guarded, its portfolio provides insights into the sectors and companies favored by its quantitative models. The article highlights the growing influence of AI and data-driven investing in the financial industry.