Definitions for "Russell 3000"
An index comprised of the 3000 largest U.S. companies by market capitalization, representing approximately 98% of the U.S. equity market.
A market capitalization-weighted benchmark index made up of the 3000 largest US stocks, which represent about 98% of the US equity market.
Index of the 3,000 largest stocks, compiled by the Frank Russell Company. The 3000 is split into two sub-indexes, the Russell 1000 index of large stocks and the Russell 2000 index of small stocks. Each of these indexes, in turn, are broken into both growth and value indexes. Vanguard uses some of these sub-indexes, such as the Russell 1000 Value index, as benchmarks for some of its funds.