IWF is one of the most popular US large-cap growth ETFs with a long track record. IWF holds stocks selected from the popular Russell 1000 Index, based higher I/B/E/S forecasts for medium-term growth and higher sales per share historical growth as compared to others in the index. Like our benchmark, the fund's top holdings are mostly packed with tech giants. While IWF is considered a large-cap fund, a sizable portion of the portfolio is allocated to mid-caps due to its expansive Russell 1000 parent. Vanguard`s VONG tracks the same index.