As of June 2025, 39.23% is owned by Promoters and 60.77% by Public.

Among Promoters holding, Indian Promoters holds 39.20% and Foreign Promoters holds 0.03%.

Institutional holds 41.03% (Insurance Companies 1.43%) and Non-Institutional holds 19.74% 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 (14.49 lakhs shares / 0.76%), M.M.Muthiah Research Foundation (11.04 lakhs shares / 0.58%) and M A M Arunachalam (10.04 lakhs shares / 0.53%).