BlackRock reaches 5% of Copasa (CSMG3)

On Thursday, October 8, 2026, Copasa (CSMG3) reported that BlackRock came to hold, on October 6, 2026, an aggregate stake of 19,032,687 common shares in the company, equivalent to approximately 5.005% of the total common shares outstanding, in addition to 71,001 cash-settled derivative financial instruments referenced to common shares, representing about 0.019% of the total common shares issued.

According to the letter sent to Copasa, BlackRock stated that the purpose of this stake is strictly investment, with no intention of changing the company’s shareholding control or management structure, and that there are no contracts or agreements governing the exercise of voting rights or the purchase and sale of the company’s securities.