Oakmark is a family of mutual funds and investment strategies managed by Oakmark Funds, which is part of Harris Associates. Founded in 1991, Oakmark focuses on value investing, seeking to identify undervalued companies with strong fundamentals. The funds aim to achieve long-term capital appreciation by investing in a diversified portfolio of stocks. The investment philosophy of Oakmark emphasizes thorough research and a disciplined approach. The team analyzes financial statements, market trends, and company management to make informed decisions. This strategy aims to provide investors with consistent returns over time while minimizing risks associated with market volatility.