EuBiologics Co., Ltd. EuBiologics Co., Ltd. (206650.KQ) is a South Korea-based biopharmaceutical company that develops and supplies vaccines for global public health, with a focus on epidemic prevention in developing countries, and provides contract research, manufacturing, and testing services for biopharmaceuticals. Founded in 2010 and headquartered in Seoul, the company operates through two main segments: product development, offering oral cholera vaccines including the WHO-prequalified Euvichol, Euvichol Plus, and Euvichol-S; COVID-19 vaccines such as the approved EuCorVac-19 subunit vaccine; carrier protein vaccines like rCRM197 diphtheria toxoid; and pipelines including typhoid conjugate vaccine in Phase III, pneumococcal and meningococcal conjugate vaccines in early phases, and others targeting meningococcal infections and tetanus; alongside CRMO services encompassing cell line development, process and formulation development, GMP production of drug substances and products, analytical method validation, lot release and stability testing, and regulatory consulting for microbial- and mammalian cell-derived therapeutics including protein-based drugs and antibodies. It manufactures at advanced GMP-compliant facilities, including a second site inaugurated in 2019, and serves global markets with over 45 million doses of oral cholera vaccine supplied since 2015 prequalification. Recent developments include Korean regulatory approval in July 2025 for its UTPC multi-dose vaccine (export version), a new facility investment announcement in June 2025, a major supply contract in April 2025, leadership change with new representative director appointment in March 2025, and an investor presentation in May 2025.