On Tuesday, September 8, 2026, Copasa (CSMG3) announced that, as of this date, its shares have been included for the first time in the portfolio of B3’s Índice Brasil 50 (IBrX 50), with validity through December 2026.
According to the company, the IBrX 50 is a total return index that tracks the average performance of the prices of a theoretical portfolio made up of the 50 most tradable and representative stocks in the Brazilian equity market, based on criteria defined by B3.
Copasa highlighted that the inclusion of its shares in the IBrX 50 helps increase the company’s visibility in the capital markets and supports coverage by a diversified base of investors and asset managers who use market indices as benchmarks for analysis, performance comparison, and capital allocation.
