Oakmark Global Fund Bets on Owens Corning’s (OC) Dominant Market Position in Roofing

Harris Oakmark recently released its second-quarter 2026 investor letter for the “Oakmark Global Fund”. A copy of the letter can be downloaded here. It is a non-diversified fund that focuses on long-term capital appreciation by investing in common stocks of U.S. and non-U.S. companies. In the second quarter, the fund (Investor Class) delivered a return of 7.89%, lagging the benchmark, the MSCI World Index’s 13.76% return. Energy and industrials were the top performance contributors at the sector level, while health care and consumer discretionary detracted from performance. AI...