The shareholding structure of PT Astra International Tbk is dominated by Jardine Cycle & Carriage Limited, a major Singapore-based multinational conglomerate that holds a controlling majority stake of over fifty percent in the enterprise. The remainder of the company's equity is widely distributed across public markets, institutional investment funds, domestic mutual funds, insurance companies, and individual retail investors trading on the Indonesia Stock Exchange (IDX). This blend of strategic controlling ownership and deep institutional participation ensures high standards of corporate governance, transparency, and market accountability.