Core Points - S&P Dow Jones Indices is updating the market capitalization eligibility criteria for additions to the S&P Composite 1500 Indices effective July 1, 2025 [1] - The updated market capitalization ranges for the indices are as follows: S&P 500 will require a minimum of US$ 22.7 billion, S&P MidCap 400 will require between US$ 8.0 billion and US$ 22.7 billion, and S&P SmallCap 600 will require between US$ 1.2 billion and US$ 8.0 billion [5] - The criteria are reviewed quarterly to reflect current market conditions and are based on the three-month average cumulative total company level market capitalization of the S&P Total Market Index [1][5] Market Capitalization Ranges - Previous market capitalization eligibility criteria for S&P 500 was US$ 20.5 billion or more, S&P MidCap 400 was US$ 7.4 billion to US$ 20.5 billion, and S&P SmallCap 600 was US$ 1.1 billion to US$ 7.4 billion [5] - The updated criteria will now categorize companies into percentiles: S&P 500 at the 85th percentile, S&P MidCap 400 between the 85th and 93rd percentiles, and S&P SmallCap 600 between the 93rd and 99th percentiles [5] Additional Information - The U.S. Indices methodology document will be updated to reflect these changes, and historical market cap ranges dating back to 2007 can be found in Appendix A of the methodology [3] - S&P Dow Jones Indices is recognized as the largest global resource for index-based concepts, data, and research, with a significant amount of assets invested in their indices [3][4]
S&P Dow Jones Indices Announces Update to S&P Composite 1500 Market Cap Guidelines