The fund generally commits at least 80% of its net assets, alongside any borrowed funds for investment, to holdings that are economically linked to the United States. The index's construction commences with over 400 companies recognized by the ACSI, encompassing 46 different industries and 10 major economic sectors. This preliminary group is then filtered to exclude companies whose shares are not predominantly listed on a U.S. exchange, have a market valuation under $1 billion, or for which the available Customer Satisfaction Data is not statistically meaningful.