The Russell Top 200 Index plus the Russell Midcap Index yields the Russell 1000 Index. Russell Microcap Index: A micro-cap index of the stocks ranked from 2,001-4,000 in the Russell indexing universe, consisting of capitalizations ranging from about $50 million to $2.5 billion. Hence, this is an index of the 1,000 smallest Russell 3000 stocks, plus the 1,000 smaller stocks. Russell US Growth and Value Performance Quilt Qualified Indices under Section 871(m) of the US Internal Revenue Code and Treasury Regulation Section 1.871-15 Russell 3000® The iShares Russell 1000 Growth ETF seeks to track the investment results of an index composed of large- and mid-capitalization U.S. equities that exhibit growth characteristics.