Largest Mexican Companies by Market Cap in 2026

As of January 2026, the Mexican stock market features several major companies with significant market capitalizations. An ETF representing the Mexico stock market, iShares MSCI Mexico ETF (iShares MSCI Mexico ETF), is up almost 60% within one year. For retail investors interested in Mexico, understanding the biggest players provides insight into the country's economic landscape and investment opportunities.

Grupo México (Grupo México, S.A.B. de C.V.) as leads the pack as the largest public company in Mexico, boasting a market cap of 86.17 billion U.S. dollars. This mining conglomerate plays a crucial role in the metals sector, impacting industries worldwide.

Second on the list is America Movil (América Móvil, S.A.B. de C.V.), Mexico’s telecommunications giant, with a market capitalization of 62.53 billion U.S. dollars. This company dominates the telecom market not just in Mexico but across Latin America.

Other notable companies include Walmex (Wal-Mart de México, S.A.B. de C.V.), the Mexican division of Walmart, with a market cap of 57.10 billion; Fresnillo (Fresnillo plc), a major precious metals miner at 41.88 billion; and Fomento Económico Mexicano (FEMSA) (Fomento Económico Mexicano, S.A.B. de C.V.), an important beverage and retail business valued at 38.27 billion.

Financial institutions such as Banorte (Grupo Financiero Banorte, S.A.B. de C.V.) and Grupo Financiero Inbursa (Grupo Financiero Inbursa, S.A.B. de C.V.) also feature prominently, reflecting the strength of Mexico’s banking sector.