As of March 2025, 41.28% is owned by Promoters and 58.72% by Public.

Among Promoters holding, Indian Promoters holds 38.47% and Foreign Promoters holds 2.81%.

Top five Promoters holding highest number of shares of 3B BlackBio Dx company are Mithla Dubey (10.60 lakhs shares / 12.35%), Mithala Laboratories Private Limited (8.21 lakhs shares / 9.56%), Dhirendra Dubey (7.24 lakhs shares / 8.44%), Nikhil Kuber Dubey (3.58 lakhs shares / 4.17%) and 2B Blackbio S.L. Spain (2.42 lakhs shares / 2.81%).