BlackRock Inc. Reports 7.8% Stake in SABESP (SBS) via Schedule 13G/A

BlackRock, Inc. filed a Schedule 13G/A on April 24, 2026, disclosing an increased ownership stake in Companhia de Saneamento Básico do Estado de São Paulo (SABESP). As of the event date on March 31, 2026, BlackRock reported beneficial ownership of 55,121,116 common shares, representing 7.8% of the company's total outstanding common stock. This filing marks an increase from a previously reported 0.0% position. The filing indicates that BlackRock holds sole voting power over 53,514,514 shares and sole dispositive power over the full 55,121,116 shares. The securities were acquired in the ordinary course of business and are not held for the purpose of influencing or changing the control of the issuer. BlackRock filed as a parent holding company on behalf of various subsidiaries and business units. No single person's interest in the common stock exceeds five percent of the total outstanding shares. The filing was signed by Spencer Fleming, Managing Director at BlackRock.