SEOUL, June 22 (AJP) - Investors are willing to pay more than twice as much for each won of SK hynix's assets than Samsung Electronics', a premium that briefly propelled the pure-play chipmaker past the country's corporate titan on Monday.
At 12:51 p.m., SK hynix's market capitalization reached 2,084.7 trillion won ($1.4 trillion), edging past Samsung Electronics' 2,084.2 trillion won by 456 billion won, according to Korea Exchange data.
It was the first time Samsung had relinquished the top spot since November 2000, ending one of the longest periods of uninterrupted corporate dominance in modern stock market history.
The significance of the crossover cuts deeper upon closer look.
SK hynix trades at 12.25 times book value, compared with Samsung's 4.94 times, despite their nearly identical market capitalizations. The disparity suggests investors are assigning an extraordinary premium to companies occupying critical positions in the artificial-intelligence supply chain.
The market is no longer asking which company is bigger. It is asking which company occupies the most indispensable bottleneck in the AI supply chain.
For decades, Samsung represented a proxy for South Korea's economy itself. Its sprawling empire — spanning semiconductors, smartphones, televisions, displays and home appliances — made it a diversified and resilient bet on global manufacturing.
Today, investors are rewarding specialization over diversification.
SK hynix has emerged as one of the world's purest bets on AI infrastructure through its dominance in high-bandwidth memory, or HBM, a critical component powering Nvidia's AI accelerators and hyperscale data centers.
The company built an early lead by evolving its products alongside Nvidia's rapid AI chip upgrades. Samsung, a late entrant in HBM, has been narrowing the gap with its HBM4 products this year, but investors continue to reward SK hynix's first-mover advantage.
That concentration has translated into exceptional profitability. SK hynix posted 37.6 trillion won in operating profit on 52.6 trillion won in revenue in the first quarter ended March, representing an operating margin of 72 percent.
The divergence has been stark this year.
SK hynix has surged more than 320 percent since January, far outpacing Samsung's roughly 195 percent gain. Overseas investors now hold 51.25 percent of SK hynix, compared with 47.56 percent of Samsung Electronics, signaling stronger international conviction in SK hynix's AI-led growth story.
Yet the numbers also reveal a paradox.
On a forward earnings basis, SK hynix trades at 9.54 times expected profits, only modestly above Samsung's eight times.
That suggests investors are not abandoning Samsung altogether. Rather, they are paying a premium for certainty.
SK hynix's earnings trajectory is increasingly tied to long-term investments by global hyperscalers, while Samsung's growth outlook remains spread across multiple businesses facing different competitive pressures.
In effect, investors are no longer choosing between two semiconductor companies.
They are choosing between two business models.
Samsung is being treated as a diversified industrial conglomerate. SK hynix is being priced as an AI infrastructure provider.
Another catalyst behind SK hynix's ascent is growing anticipation surrounding its planned U.S. American Depositary Receipt listing.
The company submitted a Form F-1 registration statement to the U.S. Securities and Exchange Commission in March and is expected to pursue a Nasdaq debut as early as next month or during the second half.
The move could fundamentally broaden SK hynix's investor base.
Today, many overseas investors gain exposure to the company through Korea-focused funds such as the iShares MSCI South Korea ETF, which faces concentration limits on individual holdings.
An ADR listing would allow SK hynix to be purchased directly by a much broader pool of investors, including semiconductor exchange-traded funds, AI-focused portfolios and global growth funds that currently have limited access to Korean equities.
Analysts have also raised the possibility of eventual inclusion in the Philadelphia Semiconductor Index, one of the world's most closely watched chip benchmarks.
If HBM established SK hynix's AI credentials, ADR could globalize its shareholder base.
The company would no longer compete merely as a Korean stock but increasingly alongside Micron Technology and other semiconductor leaders for international capital.
Samsung's standing however cannot be simply overlooked.
When Samsung Electronics' preferred shares are included, its combined market capitalization still stands at 2,268 trillion won, roughly 9 percent larger than SK hynix.
Still, the symbolism may prove particularly painful for Samsung.
Last year, Samsung briefly surrendered its long-held title as the world's largest DRAM maker to SK hynix. Monday's market-cap crossover delivers a second blow, this time at home.
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