The investment seeks results that correspond generally to the price and yield performance, before fees and expenses, of the Indxx Global Longevity Thematic Index. The fund invests more than 80% of its total assets in the securities of the underlying index. The underlying index is designed to provide exposure to exchange-listed companies in developed markets that facilitate the demographic trend of longer average life spans and the aging of the global population, including but not limited to companies involved in biotechnology, medical devices, pharmaceuticals, senior living facilities and specialized health care services.