As of March 2025, 39.82% is owned by Promoters and 60.18% by Public.

Among Promoters holding, Indian Promoters holds 39.79% and Foreign Promoters holds 0.03%.

Institutional holds 40.97% (Insurance Companies 1.45%) and Non-Institutional holds 19.21% as Public shareholders.

Top five Promoters holding highest number of shares of Carborundum Uni. company are Ambadi Investments Limited (560.54 lakhs shares / 29.44%), Murugappa Educational And Medical Foundation (38.12 lakhs shares / 2.00%), Southern Energy Development Corporation Ltd (24.49 lakhs shares / 1.29%), M.M.Muthiah Research Foundation (11.04 lakhs shares / 0.58%) and M A M Arunachalam (10.04 lakhs shares / 0.53%).