1. the ownership interest in a company (as determined by subtracting liabilities from assets). For incorporated business enterprises, equity is owned by the shareholders (common stockholders and/or preferred stockholders). If the corporation is publicly held, then the shares will be traded in the EQUITY MARKET (ie, a stock exchange or an over-the-counter market). See balance sheet 2. the value of property minus liens (or other encumbrances). For example, one’s equity in a home [with a mortgage] is the value of the property minus the amount of the mortgage debt.