BIOCYTOGEN-B (02315) Surges Over 5% Intraday After Successful STAR Market Listing, Establishing Dual A+H Listing Platform

Stock News2025-12-12

BIOCYTOGEN-B (02315) rose more than 5% during intraday trading, settling at a 4.15% gain to HK$28.12 by press time, with a turnover of HK$19.51 million. The company made its debut on the Shanghai Stock Exchange's STAR Market on December 10. This marks a significant milestone following its initial listing on the Hong Kong Stock Exchange on September 1, 2022, solidifying its "H+A" dual-listing structure and enhancing capital market positioning.

Western Securities highlighted in a research report that BIOCYTOGEN-B launched its "Thousand Mice Ten Thousand Antibodies" program in March 2020, adopting an "antibody library" model. This approach not only reduces R&D timelines and early-stage uncertainties but also enables parallel evaluation of multiple targets, potentially boosting pharmaceutical partners' R&D efficiency and clinical success rates.

The company's antibody business, initiated in 2020, generated annual revenue of RMB41 million that year. By the first half of 2025, revenue surged to RMB163 million, reflecting a 37.8% YoY increase. With further clinical advancements of pipeline molecules, the platform's value is expected to expand further.

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