Mason Hawkins' Portfolio Sees Significant Reduction in Affiliated Managers Group Inc. Holdings

Affiliated Managers Group Inc has reported a significant reduction in Mason Hawkins' portfolio, with a total of 2 stocks sold out and 7 new additions. The most notable additions include Fortune Brands Innovations Inc, The Walt Disney Co, and ACM Research Inc, while PVH Corp and The Kraft Heinz Co saw significant increases in stakes.

Affiliated Managers Group Inc (AMG) has reported notable changes in Mason Hawkins' portfolio during the second quarter of 2025. The portfolio saw the exit of two stocks and the addition of seven new ones. The most significant additions include Fortune Brands Innovations Inc (FBIN), The Walt Disney Co (DIS), and ACM Research Inc (ACMR), while stakes in PVH Corp (PVH) and The Kraft Heinz Co (KHC) were significantly increased.

Mason Hawkins, Chairman and CEO of Southeastern Asset Management since 1975, manages the Longleaf Partners Funds. His investment strategy focuses on value investing, seeking businesses with strong balance sheets, capable management, and trading at less than intrinsic value. Hawkins and his partners typically hold fewer than 25 stocks per portfolio [1].

The most notable addition to the portfolio was FBIN, with Hawkins buying 1,031,315 shares, accounting for 2.68% of the portfolio and a total value of $53,092,100 [1]. This addition was followed by DIS, with 290,330 shares representing approximately 1.82% of the portfolio, valued at $36,003,830 [1]. ACMR was the third largest addition, with 1,185,744 shares accounting for 1.55% of the portfolio and a total value of $30,710,770 [1].

Key position increases included PVH Corp, with an additional 764,168 shares, representing a 126.17% increase in share count and a 2.64% impact on the portfolio, valued at $93,971,990 [1]. The Kraft Heinz Co saw a significant increase as well, with an additional 1,212,280 shares, representing a 49.24% increase in share count and a total value of $94,869,420 [1].

The portfolio also saw the exit of two stocks. Howard Hughes Holdings Inc (HHH) was completely sold out, with 217,395 shares sold, resulting in a -0.86% impact on the portfolio [1]. Alphabet Inc (GOOGL) was also liquidated, with 6,527 shares sold, causing a -0.05% impact on the portfolio [1].

Mitsubishi UFJ Asset Management Co. Ltd. also increased its stake in FBIN by 20.3%, owning a total of 99,311 shares worth approximately $6 million following a purchase of 16,751 shares [2]. This significant interest from institutional investors reflects the growing optimism surrounding the company's prospects.

The article, generated by GuruFocus, provides general insights and is not tailored financial advice. It is based on historical data and analyst projections, utilizing an impartial methodology [1]. The article does not formulate a recommendation to purchase or divest any stock and is not intended to serve as specific investment guidance.

References:
[1] https://finance.yahoo.com/news/affiliated-managers-group-inc-sees-031333069.html
[2] https://www.marketbeat.com/instant-alerts/filing-mitsubishi-ufj-asset-management-co-ltd-buys-16751-shares-of-fortune-brands-innovations-inc-nysefbin-2025-08-12/