Mason Hawkins Longleaf Partners Investment Activity Q4 2025
Analysis of Mason Hawkins' portfolio changes during Q4 2025, highlighting significant stock purchases and sales.

Longleaf Partners' portfolio manager, Mason Hawkins, demonstrated a strategic focus on certain sectors during the fourth quarter of 2025, as evidenced by changes in his top holdings. The overall portfolio value stood at $2.17 billion as of December 31, 2025.
Energy sector holding CNX Res Corp (CNX) saw a slight reduction in the number of shares held, decreasing by 0.35% compared to the previous quarter. Investors can find more details about CNX at CNX.
In the Consumer Cyclical space, both Mattel Inc. (MAT) and PotlatchDeltic Corporation (PCH) showed significant growth. Hawkins increased his stake in MAT by 5.01% and in PCH by a substantial 48.37%. For more information on these companies, visit MAT and PCH respectively.
Communication Services holding IAC Inc. (IAC) experienced the most dramatic increase during the quarter, with a 44.15% jump in shares. Further details on IAC can be found at IAC.
Healthcare allocation via Regeneron Pharmaceuticals (REGN) also saw strong growth, with a 14.65% increase in holdings. Visit REGN for more information.
Real Estate holdings remained a significant part of the portfolio, with both PotlatchDeltic Corporation (PCH) and Rayonier Inc. (RYN) showing substantial increases (48.37% and 26.29% respectively). Detailed analysis of PCH and RYN can be found at PCH and RYN.
In the Consumer Defensive sector, Kraft Heinz Co. (KHC) and Albertsons Companies (ACI) both showed significant growth, with increases of 23.39% and 24.73% respectively. More information on these companies is available at KHC and ACI.
Industrials allocation via FedEx Corp (FDX) decreased slightly by 4.08% during the quarter. Details on FedEx can be found at FDX.
Finally, in the Consumer Cyclical sector, MGM Resorts International (MGM) saw an increase of 16.33% in holdings. Visit MGM for more information.
For a complete overview of Mason Hawkins' investment strategy and performance, please visit the Longleaf Partners investor profile.