Mason Hawkins' Portfolio: Focus on Energy, Real Estate and Consumer Stocks
Mason Hawkins' portfolio, managed by Longleaf Partners, shows significant concentration in Energy and Real Estate sectors as of December 31, 2025.

Top Holdings Analysis
The portfolio's largest position by value is CNX Res Corp, representing approximately $174 million, or 7.76% of the total. Following closely are MATTEL Inc. at $170 million (7.57%) and IAC Inc. at $156 million (6.95%). Other significant holdings include Regeneron Pharmaceuticals ($128 million, 5.7%), PotlatchDeltic Corp. ($126 million, 5.6%), Rayonier Inc. ($123 million, 5.48%), Kraft Heinz Co. ($109 million, 4.85%), Albertsons Cos Inc. ($106 million, 4.72%), and FedEx Corp. ($104 million, 4.62%).
Portfolio Sector Allocation
The portfolio demonstrates notable concentration across several sectors. Real Estate stands out with two major holdings: PotlatchDeltic Corp. (5.6%) and Rayonier Inc. (5.48%), combined they represent over $250 million in value. Energy is another concentrated sector, led by CNX Res Corp. (7.76%). Consumer Defensive is significant with Kraft Heinz Co. (4.85%) and Albertsons Cos Inc. (4.72%). Collectively, these sectors account for a substantial portion of the portfolio's value.
Recent Changes in Holdings
Several holdings show significant changes from the previous period. IAC Inc. saw a substantial increase in shares (44.15%) and value, likely due to strong performance. PotlatchDeltic Corp. also experienced a large increase (48.37% in shares). Similarly, Rayonier Inc. had a significant increase (26.29% in shares). On the other hand, FedEx Corp. saw a slight decrease in its share count (-4.08%).
Investment Strategy Insights
The portfolio's strategy appears to favor established companies across various sectors, including Energy, Real Estate, Consumer Cyclical, Healthcare, and Consumer Defensive stocks. The focus on Real Estate and Energy suggests a potential allocation towards sectors perceived as offering stability or growth potential. The inclusion of consumer staples like Kraft Heinz and Albertsons, alongside cyclical consumer stocks like Mattel and MGM Resorts, indicates a balanced approach within these categories. The strategy also appears to involve capitalizing on significant increases in specific positions, as evidenced by the large share growth in IAC, PCH, and RYN.