Mattel (MAT) Surged on Robust Results

Longleaf Partners, managed by Southeastern Asset Management, released its “Partners Fund” first quarter 2025 investor letter. A copy of the letter can be downloaded here. The fund returned -5.14% in the first quarter, compared to the S&P 500’s -4.27% return and Russell 1000 Value’s 2.14% return. The firm’s stock price performance was volatile, but its confidence in future returns grew as the quarter progressed. The firm invested in quality companies that it thinks are strong and...