SK Hynix, the world's leading supplier of high-bandwidth memory (HBM) chips, has confidentially filed with the U.S. Securities and Exchange Commission (SEC) for an American Depositary Receipt (ADR) listing, targeting a raise of $6.7 billion to $10 billion by 2026. The company plans to use the proceeds to aggressively expand its AI-focused production capacity, directly funding its HBM semiconductor cluster in Yongin, South Korea, its advanced packaging plant in Indiana, and a potential new AI investment arm in Silicon Valley.
The move is a strategic capital markets play to solidify its lead in the critical HBM market, which powers AI processors from customers like Nvidia. CEO Kwak Noh-Jung stated at the annual shareholder meeting that the company plans to secure over 100 trillion won in net cash for long-term investments. The filing follows a massive $7.97 billion order for advanced chipmaking equipment from ASML, signaling a rapid scaling effort.
The timing underscores the intensifying competition in the AI hardware race. While SK Hynix currently controls the largest HBM market share, rivals Samsung Electronics and Micron Technology are pushing hard to gain ground. The US listing is seen as a tool to raise "long-duration capital" for the next phase of AI infrastructure, where manufacturing speed and proximity to key customers in the US market are becoming crucial.
SK Hynix's stock rose more than 5% in Seoul following the news, adding to a year-to-date gain of roughly 60% and a surge of 274% in 2025. The company indicated it will issue new shares for the offering, a shift in capital strategy, and will provide further details once finalized or within six months of the initial filing.