As of March 2025, 69.23% is owned by Promoters and 30.77% by Public.

Among Promoters holding, Indian Promoters holds 64.82% and Foreign Promoters holds 4.41%.

Top five Promoters holding highest number of shares of Bihar Sponge company are Moderate Leasing and Capital Services Ltd. (442.94 lakhs shares / 49.10%), Bihar State Industrial Development Corpn. Ltd. (64.17 lakhs shares / 7.11%), Longwell Investment Pvt. Ltd. (40.33 lakhs shares / 4.47%), Umesh Kumar Modi (39.76 lakhs shares / 4.41%) and Modi Industries Limited (20.00 lakhs shares / 2.22%).

Out of 624.46 lakhs shares, Promoters of Bihar Sponge Company has over 325.00 lakhs (52.04%) shares on pledge as of March 31, 2025.