The Columbia Overseas Value Fund Class I3 (COSYX) is a mutual fund that focuses on investing in undervalued international companies. It aims to provide long-term capital appreciation by seeking out companies with strong fundamentals and potential for growth. This fund is managed by Columbia Threadneedle Investments and primarily invests in developed and emerging markets outside of the United States. With a focus on value investing, COSYX offers investors the opportunity to diversify their portfolio and potentially benefit from the growth of international markets.