Indonesia's financial regulator has identified a group of companies with concentrated ownership structures as part of its push for greater stock market transparency. The move targets firms including PT Barito Renewables Energy and PT Dian Swastatika Sentosa, both linked to prominent Indonesian business families. These companies have ownership concentrated among a small number of shareholders.

The initiative comes as Indonesia seeks to meet MSCI's requirements for emerging market classification. Tightly held companies with opaque ownership structures have long been a concern for international index providers. By naming these firms publicly, regulators aim to pressure them toward greater disclosure and potentially more dispersed ownership.

This regulatory action represents Indonesia's latest effort to attract foreign investment and improve its standing in global markets. The identification of tycoon-linked companies signals a willingness to address longstanding concerns about corporate governance in Southeast Asia's largest economy. Success could pave the way for Indonesia's upgrade in major market indices.