Mason Hawkins Portfolio Analysis: Q2 2026 Investment Activity

Longleaf Partners investor Mason Hawkins saw substantial changes in his portfolio holdings during Q2 2026. The overall portfolio value remained robust at $1.85 billion as of June 30th.

In terms of stock transactions, Mr. Hawkins exited several positions while establishing new ones and increasing stakes in existing holdings. Notably, he completely sold off his stake in ABBOTT LABORATORIES (ABT), which experienced a significant -90.64% change percentage from the prior period.

Conversely, Mr. Hawkins made notable additions to his portfolio this quarter. He initiated a new position in TENCENT MUSIC ENTMT GROUP (TME), increasing shares by 100% and adding $6.5 million worth of exposure, boosting its portfolio allocation to 1.0%. He also significantly boosted his position in ACM RESH INC (ACMR), acquiring shares that increased the holding's value by approximately $82 million.

Additionally, Mr. Hawkins saw substantial growth in other sectors. In Real Estate, he added a considerable position to EMPIRE ST RLTY TR INC (ESRT), increasing its allocation by 34.34% and adding $27 million in value.

He also increased his stake in MATTEL INC (MAT) within the Consumer Cyclical sector, raising its portfolio percentage by 0.39%. Furthermore, he added exposure to SHENANDOAH TELECOMMUNICATION (SHEN), increasing its allocation by 1.26%.

However, there were also reductions in other areas. In the same quarter, Mr. Hawkins decreased his position in TRIPADVISOR INC (TRIP), a move that reduced its portfolio allocation by 0.52%. He also partially exited positions in other companies like PEOPLE INC (IAC) and FEDEX CORP (FDX).