SK Hynix just pulled off the largest foreign IPO in US history, raising $26.5 billion to expand its memory chip production as AI demand skyrockets. The South Korean giant’s Nasdaq debut underlines how critical its high-bandwidth memory (HBM) chips—think of them as the ultra-fast RAM for AI brains—are to powering everything from Nvidia’s GPUs to next-gen data centers.

How SK Hynix’s $26.5B IPO breaks records

The company sold 177.9 million American depositary shares (ADRs) at $149 each, letting US investors buy in at a fraction of the cost of a full share in Seoul. The offering, which begins trading today under the temporary ticker SKHYV (switching to SKHY on July 13), surpassed Alibaba’s $25 billion 2014 IPO to become the biggest US debut by a non-American firm.

Demand was fierce: reports suggest orders exceeded available shares by seven times, despite a 2.7% premium over its Seoul stock price. The stock opened 14% above its IPO price in early trading, defying the so-called “Korea Discount” that typically depresses valuations for South Korean companies due to governance and geopolitical concerns.

Why memory chips are the new oil for AI

SK Hynix’s HBM chips are a linchpin for AI GPUs, with Nvidia relying on the company as a key supplier. The funds raised will go toward:

  • A new fab in South Korea to ease the global memory shortage
  • A packaging facility in the same country
  • EUV scanners, the cutting-edge machines needed to produce next-gen chips

For everyday users, this means faster, more efficient AI tools—from chatbots to autonomous vehicles—without the bottlenecks currently slowing development.

US pushes for local chip production

The timing aligns with a broader US push to onshore chip manufacturing. Commerce Secretary Howard Lutnick reportedly met with Samsung and SK Hynix to discuss building new US fabs, aiming to reduce reliance on South Korea. Micron, SK Hynix’s top competitor, has already pledged $250 billion to US manufacturing, promising 90,000+ jobs.

Yet the challenge is steep: both Korean chipmakers just committed over $550 billion to domestic expansion, signaling a global race to dominate the AI supply chain. For now, SK Hynix’s IPO windfall gives it the firepower to stay ahead.