Bio tech company updates — 5/4/2026
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Korean biotech financing is heating up, with companies including D&D Pharmatech and Threebillion tapping zero-interest convertible bond markets for record sums as investors prioritize clinical momentum over coupon income. D&D Pharmatech alone raised 226.5 billion won ($166 million) in the largest single biotech CB deal of 2026, while combined zero-interest CB issuances by large conglomerates have topped 1.1 trillion won over the past six months.
Key Findings
- D&D Pharmatech issued 226.5 billion won ($166 million) in zero-interest convertible bonds (CBs), marking the largest single fundraising deal in the Korean biotech sector in 2026.
- Threebillion is among the Korean biotechs raising large funds through zero-interest CBs, with investors betting on clinical momentum and licensing-out potential over coupon income.
- Combined zero-interest CB issuances by large conglomerates over the past six months have reached a total of 1.1 trillion won.

Details
Zero-Interest CB Wave Reshapes Korean Biotech Financing
According to the Seoul Economic Daily, the Korean biotech sector is experiencing a surge in zero-interest convertible bond issuances, driven by an issuer-led market where investors are willing to forgo coupon income in exchange for exposure to high-momentum clinical pipelines and licensing-out potential.
The trend's most striking data point is D&D Pharmatech's 226.5 billion won ($166 million) CB issuance, described as the single largest biotech fundraising deal of the year. Threebillion is also cited as a notable participant in this financing wave. The report notes that over the past six months, zero-interest CB issuances across large conglomerates in the sector have cumulatively reached 1.1 trillion won, underscoring the breadth of investor appetite.

This financing mechanism reflects a broader shift in how Korean biotech companies are accessing capital: rather than competing on yield, issuers are leveraging their clinical pipelines and anticipated licensing deals to attract institutional investors willing to accept zero-coupon terms in exchange for equity upside.
Note: Other recent Korean biotech stories — including BIO KOREA 2026, Novo Holdings' 100 billion won investment commitment, and AstraZeneca Korea's AI-bio partnerships — were published before the 2026-05-02 freshness cutoff and are therefore excluded from this edition.
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