Core Insights - Diamond Hill Capital's "Select Fund" underperformed the Russell 3000 Index in Q3 2025, returning 4.98% compared to the index's 8% gain [1] - The fund highlighted Huntington Ingalls Industries, Inc. (NYSE:HII) as a key investment, noting its strong performance and potential in the defense sector [2][3] Company Performance - Huntington Ingalls Industries, Inc. (NYSE:HII) achieved a one-month return of 4.34% and a 52-week gain of 19.13%, closing at $298.42 per share with a market capitalization of $11.71 billion on October 29, 2025 [2] - The company is recognized as a top contributor to the fund's performance in Q3, with improvements in employee attrition and strong demand anticipated from the US Department of Defense [3] Market Position and Outlook - Huntington Ingalls is well-positioned to meet the Department of Defense's needs, particularly in light of potential conflicts in the Pacific, which is expected to drive demand for the next five-plus years [3] - Despite its potential, Huntington Ingalls is not among the top 30 most popular stocks among hedge funds, with 36 hedge fund portfolios holding its stock at the end of Q2 2025, an increase from 33 in the previous quarter [4]