Diamond Hill Long-Short Fund: Q4 2025 Performance Overview

In the final quarter of 2025, the Diamond Hill Long-Short Fund delivered a robust performance, showcasing its strategic agility in a dynamic market. The fund's ability to navigate both long and short positions contributed significantly to its impressive returns, surpassing broader market benchmarks. This success underscores the meticulous research and disciplined approach employed by the portfolio management team.

As equity markets continued their upward trajectory, the fund's management remained committed to a balanced exposure, fine-tuning its positions to capitalize on opportunities while mitigating risks. The detailed analysis presented by the fund managers offers valuable insights into the market forces at play and the specific investment decisions that drove the fund's outperformance.

Exceptional Quarterly Returns Highlight Strategic Advantage

The Diamond Hill Long-Short Fund recorded an impressive 5.19% return in the fourth quarter of 2025, significantly outperforming the Russell 1000 Index, which rose by 2.41%, and the 60/40 Blended Benchmark, which achieved a 1.85% return. This strong performance underscores the fund's effective long-short investment strategy, which successfully navigated a period of continued growth in equity markets. The consistent outperformance against key benchmarks reflects the fund's ability to generate alpha through careful stock selection and risk management in both its long and short portfolios.

Equity markets experienced sustained upward momentum throughout the fourth quarter, culminating in a 17.37% gain for the Russell 1000 Index by year-end. Amidst this backdrop, the Diamond Hill Long-Short Fund's strategic positioning enabled it to capture substantial gains while prudently managing downside risks. The fund maintained a net exposure of 57%, which is marginally lower than its historical average of 60%, indicating a cautious yet opportunistic stance. With long exposure concluding the year at approximately 88% and short exposure at about 31%, the fund demonstrated a balanced approach designed to optimize returns across various market conditions.

Market Trends and Portfolio Exposure in Q4 2025

During the final three months of 2025, equity markets sustained their positive trajectory, pushing the Russell 1000 Index to a year-end increase of 17.37%. This upward movement created a favorable environment for actively managed funds, particularly those with sophisticated long-short strategies. The Diamond Hill Long-Short Fund capitalized on these conditions, leveraging its analytical capabilities to identify compelling investment opportunities and manage exposure effectively.

The fund's strategic approach to exposure remained consistent, with net exposure held at 57%. This level is slightly below the long-term average of 60%, reflecting a measured and disciplined posture in response to market dynamics. The composition of the portfolio included an 88% long exposure, targeting growth and value opportunities, alongside a 31% short exposure, designed to hedge against potential downturns and benefit from overvalued assets. This carefully calibrated exposure allowed the fund to achieve superior returns while adhering to its established risk management framework, demonstrating adaptability and resilience in a continuously evolving market landscape.