Russell Top 50 Index

The Russell Top 50 Index also known as the Russell Top 50 Mega Cap is a stock market index that measures the performance of the largest companies in the Russell 3000 Index. It includes approximately 50 of the largest securities based on a combination of their market cap and current index membership and represents approximately 40% of the total market capitalization of the Russell 3000.

The index, which was launched on January 1, 2005, is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group. Its ticker symbol is ^RU50.

Investing
Prior to January 27, 2016, the index was tracked by an exchange-traded fund, the Guggenheim Russell Top 50 Mega Cap ETF (nyse arca: XLG). The ETF switched to the S&P 500 Top 50 Index.

Top 10 holdings
(as of October 31, 2020)
 * Apple Inc. (nasdaq: AAPL)
 * Microsoft Corp (nasdaq: MSFT)
 * Amazon.com (nasdaq: AMZN)
 * Meta Platforms (nasdaq: META)
 * Alphabet Inc Cl A (nasdaq: GOOGL)
 * Alphabet Inc Cl C (nasdaq: GOOG)
 * Berkshire Hathaway Inc (nyse: BRK.B)
 * Johnson & Johnson (nyse: JNJ)
 * Procter & Gamble (nyse: PG)
 * Visa Inc. (nyse: V)

Top sectors by weight

 * Technology
 * Consumer Discretionary
 * Health Care
 * Industrials
 * Financials