Longleaf Partners Fund Sold HF Sinclair Corporation (DINO) at a Profit

Longleaf Partners, managed by Southeastern Asset Management, released its fourth-quarter 2025 investor letter. A copy of the letter can be downloaded here. The Fund returned 3.35% in the quarter, compared to the S&P 500’s 2.66% and the Russell 1000 Value Index’s 3.81% return. 2025 was a challenging year for the firm, as it did not have any standout performers. Approximately 5% of the portfolio gained 20% or more, while 35% of the S&P 500 hit that level. The overall market dynamic drove the Fund’s underperformance. The firm focuses on actions to strengthen portfolio outcomes rather...