S&P 500 Stock Market Caps

Market Caps

Visualizing the Market Capitalizations of the Largest vs. the Smallest Stocks in the S&P 500

The S&P 500 is a market cap-weighted index of 500 large U.S. companies. The visual below shows just how enormous the largest stocks are compared to the smallest stocks in the index. Each circle represents a single stock and the size of the circle represents its market cap.

The largest stock has a market capitalization equal to the smallest 107 stocks.

Largest Stocks

Smallest Stocks

Other Stocks


Technical notes: This visual was created using D3.js, a javascript library for producing data visualizations. Data for this visual was downloaded from Sure Dividend.