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Samsung Biologics
Samsung Biologics is the world's largest biologics CDMO by capacity, and opened a dedicated ADC conjugation facility in 2025.
Overview
Samsung Biologics, based in Incheon and listed as 207940.KS, is the world's largest biologics CDMO by capacity and opened a dedicated antibody-drug conjugate conjugation facility in 2025. It runs mammalian cell culture at unprecedented scale at its Songdo Plant 5, adds ADC conjugation and fill-finish, and announced the spin-off of Samsung Bioepis in 2025. OnCo links it to ADC bioconjugation manufacturing, antibody manufacturing and sterile fill-finish. Whether Korean capacity becomes the main beneficiary as sponsors diversify ADC manufacturing away from China is the open question. The ADC manufacturing page carries the wider picture.
Headquarters
Incheon, KR
Manufacturing
Capacity map- Samsung Biologics ADC facility Incheon (Songdo), KRADC conjugation, Antibody drug substance
Type
Services · 207940.KS
Stage
Public
Website
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fronts
technologies
ADC bioconjugation manufacturing (CDMOs)Antibody manufacturing (CHO bioprocessing)Downstream purification (Protein A capture, viral clearance, polishing)GMP, inspections, Form 483s and warning lettersSterile fill-finish and lyophilisationThe ADC supply chain (antibody, payload-linker, conjugation, fill)