Markets

Market size and returns

The current S&P 500. Tile size shows how much of the market each stock or fund represents. Color shows its 1 year return is the colour on the treemap and a number in the table.

Universe
Window
Measure

Universe: S&P 500 · 495 companies · grouped by GICS sector · Data through Oct 2, 2026

2 secondary share classes folded into the primary listing so each company is sized once: GOOG → GOOGL, FOX → FOXA.

Return
-37%
-17%
-4%
4%
17%
37%
clipped at ±60.1%

Treemap displays 495 of 495 companies with market-cap data, sized by market cap and coloured by 1 year return through 2026-10-02. Colour saturates at ±60.1% (the 90th percentile of absolute move); anything beyond that clips to the end of the scale. Click any tile to open it in the screener.

For educational purposes only. This describes historical market data and does not predict future results. It is not investment advice or a recommendation to buy or sell any security. Past performance does not predict future results. All investing involves risk, including loss of principal.