| Foundation | January 1, 1984 |
|---|---|
| Operator | FTSE Russell |
| Exchanges | |
| Trading symbol |
|
| Constituents | 1,000 |
| Type | Large cap |
| Weighting method | Free-float capitalization-weighted |
| Related indices | Russell 3000 Index |
| Website | ftse |
| Bloomberg | RIY:IND |
The Russell 1000 Index is a U.S. stock market index that tracks the highest-ranking 1,000 stocks in the Russell 3000 Index, which represent about 93% of the total market capitalization of that index.
As of 31 December 2023[update], the stocks of the Russell 1000 Index had a weighted average market capitalization of $666.0 billion and a median market capitalization of $13.9 billion. As of 8 May 2020[update], components ranged in market capitalization from $1.8 billion to $1.4 trillion.[1]
The index, which was launched on January 1, 1984, is maintained by FTSE Russell, a subsidiary of the United Kingdom-based London Stock Exchange Group. The ticker symbol is typically RUI, .RUI or ^RUI. There are several exchange-traded funds and mutual funds that track the index.