Mason Hawkins Longleaf Partners Q1 2026 Investment Activity Analysis

Detailed analysis of Mason Hawkins' Q1 2026 investment activities, highlighting significant purchases and sales in their portfolio.

By AI Generated.May 17, 2026, 12:02 AM
Mason Hawkins Longleaf Partners Q1 2026 Investment Activity Analysis

Longleaf Partners' portfolio manager, Mason Hawkins, saw notable shifts in their investment portfolio during the first quarter of 2026, as reflected in the latest filing data. This analysis breaks down the key transactions observed in the top holdings.

Among the most significant activities this quarter was the substantial increase in holdings of RAYONIER INC (RYN). Hawkins added over 5 million shares, representing an 89.52% increase in position size, pushing its portfolio allocation to 10.92%. This substantial purchase suggests strong confidence in the Real Estate sector player. For more detailed information on RAYONIER INC, please visit RYN.

Another major buying activity was observed in MATTEL INC (MAT). Hawkins increased their stake by nearly 4.2 million shares, a 49.49% jump, raising its portfolio weight to 9.16%. This significant investment in the Consumer Cyclical sector comes despite recent industry challenges. Further details on MATTEL INC can be found at MAT.

Conversely, there was a significant reduction in holdings of CNX RES CORP (CNX). Hawkins sold over 0.7 million shares, resulting in a 15.24% decrease in the position, lowering its allocation to 7.61%. This action in the Energy sector warrants attention. More information about CNX RES CORP is available at CNX.

Elsewhere in the portfolio, several other changes were noted. ALBERTSONS COS INC (ACI) saw an increase of over 1.2 million shares (20.32% more), adding to its 6.22% allocation. REGENERON PHARMACEUTICALS (REGN) experienced a notable decrease of over 35,000 shares (21.19% reduction). KRAFT HEINZ CO (KHC) and FEDEX CORP (FDX) both saw significant reductions, with decreases of 12.02% and 31.08% respectively. MGM RESORTS INTERNATIONAL (MGM) also decreased by 18.22%.

It's important to note that the provided data only covers the top holdings. Therefore, it cannot be confirmed whether Mason Hawkins established any entirely new positions or completely exited any existing positions during this quarter. For a comprehensive view of Longleaf Partners' investment strategy, please visit Mason Hawkins' profile.