The investment seeks to track the total return performance, before fees and expenses, of the Pacer US Cash Cows 100 Index (the index). Under normal circumstances, at least 80% of the fund's total assets (exclusive of collateral held from securities lending) will be invested in the component securities of the index. The index uses an objective, rules-based methodology to provide exposure to large and mid-capitalization U.S. companies with high free cash flow yields. Companies with high free cash flow yields are commonly referred to as cash cows.