The CI WIsdomTree U.S. MidCap Dividend Index ETF seeks to track the price and yield performance of the CI WisdomTree U.S. MidCap Dividend Index CAD, a fundamentally weighted index designed to provide exposure to the mid-capitalization segment of the U.S. dividend-paying market. The Index is comprised of the companies that compose the top 75% of the market capitalization of the WisdomTree Dividend Index after the 300 largest companies have been removed.