List of S&P 500 companies

The S&P 500 stock market index covers about 80 percent of the American equity market by capitalization. The index is weighted by free-float market capitalization, so more valuable companies account for relatively more of the index. Between January 1, 1963 and December 31, 2014, 1,186 index components were replaced.

About List of S&P 500 companies in brief

Summary List of S&P 500 companiesThe S&P 500 stock market index covers about 80 percent of the American equity market by capitalization. The index is weighted by free-float market capitalization, so more valuable companies account for relatively more of the index.

Between January 1, 1963 and December 31, 2014, 1,186 index components were replaced by other components.