Русско-англо-русский юридический словарь

A controlling interest is an ownership interest in a corporation with enough voting stock shares to prevail in any stockholders' motion. A majority of voting shares (over 50%) is always a controlling interest. When a party holds less than the majority of the voting shares, other present circumstances can be looked at to determine whether that party is still considered to hold a controlling ownership interest. (Wikipedia)

External Manager means either of the following: (1) A person who is seeking to be, or is, retained by a board or an investment vehicle to manage a portfolio of securities or other assets for compensation, or (2) A person who manages an investment fund and who offers or sells, or has offered or sold, an ownership interest in the investment fund to a board or an investment vehicle. (LawInsider)

Also, defendants' ownership interest in the apartment is not in dispute, nor is it in dispute that the purchase agreement for the apartment was terminated. (CaseMine)

An equity interest represents an ownership interest in another entity, such as common stock, a partnership interest, or an interest in a limited liability company (LLC). (PwC)