Mason Hawkins Longleaf Partners Year-End 2025 Portfolio Analysis: Top Holdings Breakdown
A detailed analysis of Mason Hawkins' top holdings as of December 31, 2025, highlighting significant share changes and sector allocations.

In this comprehensive analysis, we delve into the top holdings of Mason Hawkins, a prominent investor at Longleaf Partners, as of December 31, 2025. The portfolio, valued at approximately $2.17 billion, showcases a diverse range of sectors, with significant allocations in Energy, Consumer Cyclical, Communication Services, Healthcare, and Real Estate. Below, we break down each of the top holdings, including their sector, portfolio allocation, and notable changes in share count from the previous period.
Starting with the Energy sector, Mason Hawkins holds shares in CNX Res Corp (CNX), representing approximately 7.76% of the total portfolio. The position saw a slight decrease in shares by 0.35% compared to the prior period, indicating a minor reduction in exposure to this sector.
In the Consumer Cyclical space, Mattel Inc. (MAT) stands out with a 7.57% allocation. Hawkins increased his stake in this company by 5.01%, adding 409,032 shares, signaling confidence in the consumer cyclical sector.
Communication Services is represented by IAC Inc. (IAC), which accounts for 6.95% of the portfolio. This position experienced a substantial increase, with Hawkins adding over 44% in shares during the period, highlighting a significant tilt towards this sector.
Healthcare allocation includes Regeneron Pharmaceuticals (REGN) at 5.7% of the portfolio. Hawkins bolstered this position by 14.65%, adding 21,185 shares, reflecting a strong belief in the biotech and pharmaceutical space.
Real Estate is well-represented in the portfolio with two holdings. PotlatchDeltic Corporation (PCH) holds a 5.6% allocation, and Hawkins increased his position by a remarkable 48.37% in shares. Similarly, Rayonier Inc. (RYN) at 5.48% allocation also saw a significant 26.29% increase in shares, indicating a strong focus on real estate holdings.
Moving to Consumer Defensive, Kraft Heinz Co. (KHC) at 4.85% allocation and Albertsons Cos Inc. (ACI) at 4.72% allocation both showed positive share changes. Hawkins added 23.39% to KHC and 24.73% to ACI, respectively, during the period.
In the Industrials sector, FedEx Corp. (FDX) holds a 4.62% allocation. However, Hawkins slightly reduced his position by 4.08% in shares, showing a more cautious approach in this sector.
Lastly, in the Consumer Cyclical sector, MGM Resorts International (MGM) holds a 3.3% allocation. Hawkins increased his stake in MGM by 16.33% during the period, adding 285,367 shares.
For more detailed information on Mason Hawkins' investment profile, you can visit https://www.insiderset.com/investor/mason-hawkins-longleaf-partners. For specific details on each stock holding, please explore the individual company profiles on https://www.insiderset.com/investors/stocks.