Why Alphabet (GOOGL) Became the Largest Contributor to Renaissance Investment on Strong AI and Cloud Growth

Renaissance Investment Management, an investment management company, released its Q4 2025 “Large Cap Growth Strategy” investor letter. A copy of the letter can be downloaded here. The strategy faced a difficult fourth quarter of 2025, underperforming both the S&P 500, which gained 2.7%, and the Russell 1000 Growth Index as market leadership remained concentrated in a small group of mega-cap technology companies tied to artificial intelligence. Although equities extended their rally for a third consecutive q ...