IDGT tracks an index of US-listed stocks associated with the infrastructure for the storage, processing, transmission, and/or access of digital data and services. The fund employs a tiered approach for both selection and weighting, targeting 50 stocks across 17 sub-industries based on FactSets RBICS classification. The first tier is divided between Tier 1a (Telecommunication Towers) and Tier 1b (Data Centers) categories. Tier 2 belongs to communications equipment, communications semiconductors, and data storage equipment categories. The fund first selects Tier 1 companies. If less than 50, the fund selects the largest Tier 2 stocks by market-cap. The fund sets strict group and stock targets, subject to single-security capping. The fund is reviewed annually and weighted quarterly. Prior to Dec. 18, 2023, the fund traded under the name iShares North American Tech-Multimedia Networking ETF with the ticker IGN that tracked the S&P North American Technology Multimedia Networking Index.