SK hynix raised $26.5B in the biggest foreign U.S. listing. Cyclical memory risks and HBM reliance cloud the outlook.
SK hynix Inc. launched its U.S. depositary receipts last Friday, selling at $149 each and closing the session at $168. The offering raised $26.5 billion, making it the largest U.S. listing ever by a foreign company.
The memory-chip maker's ADR debut comes at a moment of high valuation relative to the semiconductor cycle. SK hynix generates most of its profit from high-bandwidth memory (HBM) used in AI accelerators, a segment that has drawn intense competition and pricing pressure. The company's prospectus flagged the cyclical nature of the memory industry and the risk of demand shifts in AI hardware as material factors.
Geopolitical uncertainty also hangs over the listing. SK hynix operates under restrictions tied to U.S.–South Korea technology export rules, and any change in CHIPS Act subsidy terms could alter its cost structure. The stock's premium pricing, combined with the industry's history of boom-and-bust cycles, has prompted some analysts to caution that the ADR could face volatility if memory prices soften or AI capital expenditure slows.
The listing raised $26.5 billion, a figure that dwarfs previous foreign IPOs in the U.S. and underscores the scale of investor appetite for AI-related chip plays. Whether that appetite holds through the next memory downturn remains the open question carried by every HBM supplier.
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