A holding structure for concurrently holding a plurality of containers for substances for pharmaceutical, medical or cosmetic applications includes a plurality of receptacles for receiving the containers therein at least in sections. The receptacles each have an open upper end for inserting the containers into the receptacles and a bottom end having a holding portion for limiting an axial movement of the containers in the receptacles. Guide portions are provided for guiding the containers as they are inserted into the receptacles. The guide portions are formed as guiding ribs extending in the longitudinal direction of the receptacles. Lead-in bevels are formed at upper ends of the guiding ribs which are inclined relative to the guiding ribs.