Oakmark Funds is a family of mutual funds and exchange-traded funds (ETFs) that focus on value investing. Founded in 1991 by Bill Nygren, the funds aim to identify undervalued companies with strong growth potential. They are managed by Oakmark, a subsidiary of Harris Associates, which emphasizes a long-term investment strategy. The funds typically invest in a diversified portfolio of U.S. and international stocks. Oakmark Funds are known for their rigorous research process and commitment to finding high-quality investments at attractive prices. Investors can choose from various funds tailored to different investment goals and risk tolerances.