As of December 2025, 70.76% is owned by Promoters and 29.24% by Public.

Among Promoters holding, Indian Promoters holds 49.11% and Foreign Promoters holds 21.66%.

Top five Promoters holding highest number of shares of National Peroxide company are Nowrosjee Wadia and Sons Limited (17.69 lakhs shares / 30.78%), Baymanco Investments Limited (11.72 lakhs shares / 20.38%), Macrofil Investments Limited (7.47 lakhs shares / 12.99%), The Bombay Burmah Trading Corporation Limited (2.24 lakhs shares / 3.90%) and The Bombay Dyeing and Manufacturing Company Limited (0.61 lakhs shares / 1.06%).