As of March 2024, 49.82% is owned by Indian Promoters and 50.18% by Public.

Top five Promoters holding highest number of shares of Simplex Infrastructu company are Baba Basuki Distributors (P) Ltd (108.00 lakhs shares / 18.90%), Mr. Rajiv Mundhra (93.83 lakhs shares / 16.42%), Ajay Merchants Pvt. Ltd (48.07 lakhs shares / 8.41%), East End Trading & Engg.Co.Pvt. Ltd (12.53 lakhs shares / 2.19%) and Sandeepan Exports (P) Ltd. (10.00 lakhs shares / 1.75%).