SK hynix raises $26.5 billion in the largest foreign U.S. IPO ever

Signals Inbox·July 10, 2026·AI Chips

SK hynix raised $26.5 billion in the largest U.S. IPO ever completed by a foreign company, narrowly beating Alibaba’s decade-old record. The bigger story is what investors bought: direct exposure to the scarce memory chips now limiting how quickly AI infrastructure can expand.

Q1What actually happened?

SK hynix sold 177.9 million American depositary shares at $149 each, raising about $26.5 billion before fees. The shares began trading on Nasdaq on July 10 and closed their first session around 13% higher. SK hynix first confirmed the planned offering in its official filing announcement, with the full registration documents available through the SEC.

Q2Is it really the largest foreign U.S. IPO ever?

Yes. Alibaba raised $25 billion in New York in 2014 after its underwriters exercised extra share options. SK hynix raised roughly $1.5 billion more, finally breaking a record that had survived for almost 12 years. It is a narrow win, but still a historic one.

Q3Why would SK hynix need that much money?

Making advanced memory is brutally expensive. SK hynix needs new fabrication plants, packaging facilities and manufacturing equipment to produce more high-bandwidth memory. It recently announced a KRW 100 trillion investment plan for facilities in Cheongju alone. The IPO gives it another huge pool of capital for that expansion.

Q4Why are investors suddenly obsessed with memory chips?

Because powerful AI chips cannot work alone. Nvidia and AMD accelerators need high-bandwidth memory placed beside the processor to move enormous amounts of data quickly. GPUs once received nearly all the attention. Now memory has become one of the main constraints on how many AI systems can actually be built.

Q5How dominant is SK hynix?

SK hynix is one of the three companies that dominate global DRAM production, alongside Samsung and Micron. Its position is even stronger in high-bandwidth memory, where it became Nvidia’s key supplier and moved faster than competitors on products such as HBM3E. That lead turned an old-school memory manufacturer into one of the most important companies in the AI supply chain.

Q6Why list in America if it already trades in Korea?

The company was already publicly traded in Seoul. The Nasdaq ADRs give U.S. investors a simpler way to buy it directly in dollars and during American market hours. That can attract more global funds, improve trading liquidity and reduce the discount often applied to Korean stocks compared with similar U.S. companies.