As of September 2026, 64.43% is owned by Indian Promoters and 35.57% by Public.
Top five Promoters holding highest number of shares of Twentyfirst Century company are Sundar Iyer (45.56 lakhs shares / 43.39%), Karthik Sundar (12.45 lakhs shares / 11.85%), Vanaja Sundar Iyer (8.20 lakhs shares / 7.81%), Ebrahim Y Rangoonala (1.00 lakhs shares / 0.95%) and Shridhar Iyer (22250 shares / 0.21%).