PKB covers the US building and construction industry including home improvement material manufacturers, specialized machinery providers, installation/maintenance services, and land developers. The fund builds a portfolio from the 2,000 largest, most liquid stocks on the NYSE, NYSE MKT and NASDAQ, based on price and earnings momentum, quality, management action and value. The 30-stock portfolio is tiered by market cap and equally weighted within groups, with a small-cap tilt. Of the top-ranked stocks, the larger ones receive 40%, and the smaller ones get 60% of the index weight. The index is rebalanced quarterly starting February. Prior to August 28, 2023, the fund traded under the name Invesco Dynamic Building & Construction ETF.