The article contains research on the listing requirements for shareholder ownership, established by stock exchanges of different countries. Stock exchanges of such countries as Ukraine, USA, Japan, Great Britain, Italy, Germany, France, China, and Poland were considered for comparative analysis of listing requirements. Among the requirements for shareholder ownership of issuers were considered: the minimum Free float, the number of shareholders, the share price, the market capitalization of the tradable shares, the number of tradable shares, and requirements for minority shareholders. Also, the issue of compliance with the requirements of listing as a strategic tool for optimizing the ownership concentration was investigated. The prospects of the Ukrainian corporate sector in terms of compliance with the established listing requirements (from the standpoint of requirements for the shareholder ownership structure) were assessed. Optimizing the ownership concentration of corporations involves the distribution of ownership rights among shareholders, which will help to increase the efficiency of the company and ensure the achievement of its strategic goals.