As of September 2026, 88.58% is owned by Indian Promoters and 11.42% by Public.
Institutional holds 2.98% (Insurance Companies 0.15%) and Non-Institutional holds 8.42% as Public shareholders.
Top two Promoters holding highest number of shares of Mangalore Refinery company are Oil And Natural Gas Corporation Ltd (12553.54 lakhs shares / 71.63%) and Hindustan Petroleum Corporation Limited (2971.54 lakhs shares / 16.96%).