GMAsia
    🇨🇳China·AI News·25 Jun 2026·via KrAsia

    HJ Science stumbles in Hong Kong debut after gray market surge

    HJ Science, a Sichuan-based biotech firm specializing in autoimmune disease, metabolism, and oncology, experienced a tumultuous Hong Kong debut, with its share price plummeting by over half just two days after listing. The weak performance followed an unusually volatile gray market session where the stock initially surged before closing below its IPO price. This challenging entry into the public market highlights investor skepticism regarding the pre-revenue company’s valuation, pipeline, and financial runway. The IPO, conducted under Hong Kong’s Chapter 18A regime for pre-revenue biotechs, aimed to provide crucial funding for its clinical-stage drug candidates, none of which are yet approved for sale.

    Nexa's Summary

    HJ Science’s difficult Hong Kong debut underscores a critical valuation test for pre-revenue biotech listings in Asian markets, particularly within the Chapter 18A framework. The significant post-IPO share price drop, following a volatile gray market, signals investor caution regarding companies with extensive pipelines but no approved products or revenue. This event could temper enthusiasm for similar biotech IPOs in the region, pushing investors to scrutinize cash burn rates, clinical trial progress, and competitive landscapes more rigorously. It also highlights the inherent risks in early-stage biotech investments, where future success is heavily dependent on clinical milestones and market differentiation.

    The company’s reliance on its IPO to extend its operational runway from 18 months to 69 months illustrates the crucial role public markets play in sustaining long-term R&D for innovative drug development in Asia. However, the market’s reaction suggests that even with a strong scientific team and promising drug targets, the commercial viability and competitive positioning of these assets are under intense scrutiny. This scenario could lead to a more conservative approach from both investors and listing exchanges, potentially impacting the funding environment for other pre-revenue biotechs across Asia.

    Original reporting by KrAsiaWe don't republish, read the full story →

    Related reading

    6 stories