As of June 2026, 40.95% is owned by Promoters and 59.05% by Public.

Among Promoters holding, Indian Promoters holds 38.47% and Foreign Promoters holds 2.48%.

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 (7.25 lakhs shares / 8.45%), Nikhil Kuber Dubey (3.58 lakhs shares / 4.17%) and 2B Blackbio S.L. Spain (2.13 lakhs shares / 2.48%).