The Columbia Acorn European Fund Class I (CAEZX) is a mutual fund that focuses on investing in European companies. It is managed by Columbia Threadneedle Investments and primarily invests in small and mid-cap companies with strong growth potential. This fund aims to provide long-term capital appreciation by diversifying its investments across various industries and countries in Europe. With a focus on high-quality, undervalued companies, the Columbia Acorn European Fund Class I offers investors the opportunity to participate in the growth of the European market.