Longleaf Partners Portfolio Update: Mason Hawkins' Investments in Q2 2026
Mason Hawkins at Longleaf Partners saw their portfolio value increase to $1.86 billion as of June 30, 2026. This quarter featured notable purchases and sales across various sectors.

As part of the investment strategy for Longleaf Partners, Mason Hawkins' portfolio reached a total value of $1,856,394,542 as of June 30, 2026. The quarter saw activity across multiple sectors, with changes in holdings reflecting strategic adjustments.
Purchases This Quarter
Longleaf Partners demonstrated a clear focus on growth and diversification during Q2 2026. Notable purchases included:
- TME (Tencent Music Entertainment), which saw its position increase by a full 100% in just one quarter, adding significant weight to the Communication Services sector allocation.
- ESRT (Empire Street Realty Trust), which experienced a substantial 34.34% increase in shares, boosting its portfolio weight from 2.45% to the top holding level at 10.54%, solidifying its position within Real Estate.
- ACMR (Acres Capital), despite a significant reduction in shares, this was part of the overall portfolio structure as of June 30th.
Sales and Exits This Quarter
The quarter also involved several high-profile exits from Mason Hawkins' portfolio:
- ABT (Abbott Laboratories) was significantly reduced, with shares decreased by 90.64%, reflecting a major divestment from the Healthcare sector.
- TRIP (TripAdvisor), another stock previously held with high weight, saw its position cut by 50.88% in Q2.
- Real Estate: RYN (Rayonier)'s stake was reduced, with shares down 11.81%. Similarly, holdings in other sectors like Consumer Defensive, Communication Services, and Industrials saw reductions for several stocks.
- SN (Stamps.com) was completely exited from the portfolio, though specific share details are not provided in this filing.
The overall portfolio turnover rate indicates significant activity. Mason Hawkins oversaw substantial buying and selling during Q2 2026, impacting various sectors including Healthcare, Communication Services, and notably within the Real Estate sector where both new additions like ESRT and reductions like RYN occurred.
The portfolio's allocation shifted slightly this quarter. The top five holdings accounted for 41.34% of Mason Hawkins' investment, while other sectors also saw changes in their total value contributions relative to the overall portfolio size as of June 30th.