SK Hynix, a major South Korean memory chipmaker, is launching a U.S. IPO expected to raise around $28 billion（約4.5兆円）, making it the latest company to capitalize on soaring AI-driven demand for memory chips. The company's revenues jumped nearly 200% in the first quarter year-over-year, reflecting intense demand from hyperscalers building AI infrastructure, though the industry faces a risk that massive capacity investments could outpace future needs.
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South Korean memory chipmaker SK Hynix announced plans to sell nearly 17.8 million American depositary receipts (ADRs) in a U.S. IPO, with pricing expected Thursday and trading to begin Friday. The company could raise around $28 billion（約4.5兆円） based on its closing share price last Friday in Seoul.
Why it matters
Memory chip demand is exploding as large cloud providers like Amazon, Microsoft, Google, and Oracle build AI data centers, but supply is scarce—a situation the industry calls "RAMageddon." SK Hynix's first-quarter revenues were up nearly 200% year-over-year, and its stock is up about 260% so far this year, making it an attractive investment for U.S. investors seeking exposure to the AI boom.
What to watch
SK Hynix and Samsung have vowed to spend over $550 billion（約88兆円） on new manufacturing capacity to address the shortage, though there is a risk that by the time those facilities are built, memory needs for AI may change, potentially leaving them with excess supply.
SK Hynix's planned IPO reflects a broader bet by Wall Street that memory chipmakers are among the closest public market proxies for the AI infrastructure boom. The company's near-200% revenue growth in the first quarter and 260% stock-price surge this year are direct outcomes of acute memory shortages as hyperscalers race to build AI factories. However, the industry's own response—SK Hynix and Samsung's commitment to spend over $550 billion（約88兆円） on new manufacturing—carries significant execution risk: if memory demands for AI shift or plateau by the time those facilities come online, the supply glut could reverse, crashing prices and eroding the very tailwinds that are now driving valuations.
For U.S. investors, the IPO signals another entry point into the memory-chip bet. Micron's 700% surge to a $1 trillion（約160兆円） valuation shows how aggressively the market has repriced these companies. SK Hynix's move to list ADRs in the U.S. removes a friction point for American investors who would otherwise have to trade directly on Seoul exchanges, likely expanding demand and access to the stock.
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