Diamond Hill Capital, an investment management company, recently released its fourth-quarter 2025 investor letter for its Large Cap Fund. The letter highlighted the performance of the equity markets, with the Russell 1000 Value Index increasing by 3.8% in Q4. The information technology and communication services sectors led the rally, driven by optimism surrounding artificial intelligence (AI). Despite the market’s enthusiasm for AI-driven companies, Diamond Hill Capital remains cautious and believes that fundamentally stable, high-quality, cash-generative businesses present attractive opportunities.
In the fourth quarter, the Diamond Hill Large Cap Fund returned 1.41%, lagging behind the Russell 1000 Value Index’s 3.8% return. One of the leading contributors to the Fund’s performance was American International Group, Inc. (NYSE:AIG), an insurance company operating through various segments. The stock of American International Group, Inc. (NYSE:AIG) showed a one-month return of -5.32% and gained 1.65% over the last 52 weeks, closing at $73.92 per share on February 2, 2026, with a market capitalization of $40.952 billion.
In their investor letter, Diamond Hill Large Cap Fund mentioned that American International Group, Inc. (NYSE:AIG) reported better-than-expected earnings, driven by strong expense management and share repurchases that offset a weakening pricing environment. The stock also benefited from reports of a potential acquisition by fellow insurer Chubb, contributing to its positive performance.
Although American International Group, Inc. (NYSE:AIG) is not among the 30 most popular stocks among hedge funds, it is still considered a promising investment. However, Diamond Hill Capital believes that certain AI stocks offer greater upside potential with less downside risk. For investors seeking an undervalued AI stock that could benefit from Trump-era tariffs and the onshoring trend, they recommend checking out their free report on the best short-term AI stock.
Overall, Diamond Hill Capital’s cautious approach towards AI-driven market enthusiasm and focus on stable, high-quality businesses reflects their investment strategy in the current market environment. The performance of American International Group, Inc. (NYSE:AIG) in their portfolio serves as a testament to their investment thesis and strategy for generating returns for their investors.

