There are multiple definitions - click on the translation that matches your context.

acionista controlador

substantivo

partial

controlling shareholder

noun

Comparative law notes

In Brazil, the term "controlling shareholder" is defined in section 116 of Brazilian Corporation Act (Law No. 6,404/1976, also known as the "Lei das S.A."), meaning any individual or legal entity or any group of persons bound by a voting agreement or under common control that: a) permanently holds the majority of the voting rights in the company's general meetings and the authority to elect the majority of the company's managers; and b) effectively uses his/her/its authority to direct the company's activities and guide the operation of the company's management bodies.

Definitions of controlling shareholder

a shareholder who owns more than 50% of a company's voting shares

With 30% of the equity and 65% of the voting rights, they have become the company’s new controlling shareholder.