Russell 3000 Index

The Russell 3000 Index is a capitalization-weighted stock market index that seeks to be a benchmark of the entire U.S. stock market. It measures the performance of the 3,000 largest publicly held companies incorporated in America as measured by total market capitalization, and represents approximately 97% of the American public equity market. The index was launched on January 1, 1984, and is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group. The ticker symbol on most systems is ^RUA.

Investing
The Russell 3000 Index is tracked by several exchange-traded funds, such as the iShares Russell 3000 ETF (nyse arca: IWV) and the Vanguard Russell 3000 ETF (nasdaq: VTHR).

Ten largest constituents
(as of December 31, 2021)
 * Apple (nasdaq: AAPL)
 * Microsoft (nasdaq: MSFT)
 * Amazon (nasdaq: AMZN)
 * Alphabet (Class A) (nasdaq: GOOGL)
 * Tesla (nasdaq: TSLA)
 * Alphabet (Class C) (nasdaq: GOOG)
 * Meta Platforms (nasdaq: META)
 * Nvidia (nasdaq: NVDA)
 * Berkshire Hathaway (nyse: BRK.B)
 * UnitedHealth (nyse: UNH)

Top sectors by weight

 * Technology
 * Consumer Discretionary
 * Health Care
 * Industrials
 * Financials
 * Consumer Staples
 * Telecommunications
 * Real Estate
 * Utilities
 * Energy
 * Basic Materials

(as of September 30, 2020)