As of December 2025, 63.94% is owned by Promoters and 36.06% by Public.

Among Promoters holding, Indian Promoters holds 54.81% and Foreign Promoters holds 9.13%.

Top five Promoters holding highest number of shares of SundaramBrakeLining company are Madurai Alagar Enterprises Private Limited (12.85 lakhs shares / 32.67%), Krishna Mahesh (2.81 lakhs shares / 7.13%), Shrimathi Mahesh (2.17 lakhs shares / 5.50%), Alagar Farms (P) Ltd (1.96 lakhs shares / 4.98%) and Shrikirti Mahesh (1.86 lakhs shares / 4.74%).