Samsung’s Largest Strike in History: Can SK Hynix and Micron Sit Back and Reap the Benefits?

In the first quarter of 2026, Samsung's semiconductor division recorded 53.7 trillion won in operating profit, representing 93.4% of the company's total and nearly a 48-fold increase year-over-year; however, these record profits did not equally benefit those who created them.

In contrast, SK Hynix removed its bonus cap last September, earmarking a fixed 10% of operating profit for employee bonuses. Brokerage firms estimate that per-capita bonuses at SK Hynix could reach 700 million won in 2026, while Samsung's bonuses are less than half that amount. This disparity has led to more than 200 core engineers jumping ship over the last four months.

The union's demands are clear: abolish the 50% performance bonus cap, allocate 15% of annual operating profit to a bonus pool under a long-term agreement, and implement a 7% base salary increase. Management proposed a 6.2% raise along with stock and special bonuses but refused to permanently remove the bonus cap, resulting in a rejection by the union.

JPMorgan ( JPM) estimates that if the union's demands are fully met, Samsung's 2026 operating profit will decline by 7%-12%; an 18-day work stoppage would result in a direct revenue loss of over 4 trillion won, or about 1% of the semiconductor division's annual sales. The union's own estimate is as high as 30 trillion won, which most analysts consider an extreme scenario.

Currently, Samsung and SK Hynix combined account for about 70% of the global DRAM market and 50% of the NAND market. A Samsung shutdown implies large-scale delivery delays for high-end HBM chips, plunging the entire downstream server and consumer electronics supply chain into procurement uncertainty. AI memory is already in short supply, and any capacity gap will be rapidly amplified into price hikes and customer panic.

The impact is transmitting upstream; Samsung is one of the world's largest buyers of semiconductor equipment, and giants such as ASML ( ASML ), Applied Materials ( AMAT ), Tokyo Electron, and other equipment giants are highly dependent on Samsung. The suspension of capacity expansion investments caused by the strike will directly hit these companies' orders and revenue guidance for the second half of the year.

The American Chamber of Commerce in Korea warned that labor uncertainty in core export sectors could shake South Korea's long-term standing as a global manufacturing and supply chain partner.

The Samsung strike is not an isolated incident; rather, it is a concentrated reflection of South Korea's current wave of labor-management disputes. Between 2025 and 2026, unions at several major firms, including Hyundai Heavy Industries, POSCO, and Daewoo Shipbuilding, launched successive large-scale strikes with highly consistent core demands: calling for companies to institutionalize the sharing of windfall profits with workers during peak earnings periods.

Behind this series of actions lies an unavoidable question: as global supply chain restructuring leaves corporations flush with cash, what is the workers' fair share? The reason SK Hynix's profit-sharing mechanism is repeatedly cited by the Samsung union is precisely because it strikes at the heart of this core conflict.

In the short term, SK Hynix is the primary beneficiary of this strike storm. Leveraging stable labor relations and a 60% HBM market share, it is poised to capture high-end orders overflowing from Samsung, further solidifying its leadership in the AI memory sector.

BofA Securities analysts pointed out that Samsung's supply disruptions could even improve the pricing environment for SK Hynix. However, this is only the preliminary stage.

First, if Samsung compromises and raises wages and benefits, it will drive up labor cost benchmarks across the memory industry. Since SK Hynix and Samsung account for the vast majority of global memory capacity, any reshaping of Samsung's compensation model will create an irreversible industry-wide precedent.

Second, a severely underestimated long-term risk is the stagnation of technological iteration. Fabs are capital-intensive and R&D-heavy; once profit pools are squeezed, advanced node R&D and capacity expansion will inevitably be the first to suffer.

An 18-day total shutdown, compounded by possible subsequent intermittent actions, could cause irreparable delays for Samsung in frontier technologies like HBM4 and GAAFET, which are critical to the future of AI chips. While this benefits SK Hynix in the short term, Samsung’s slowdown will drag down the innovation pace of the entire industry in the long run.

A more profound impact is the erosion of customer trust and the multipolarization of supply chains. Regardless of how the strike ends, global customers have been forced to confront the systemic risks of excessive capacity concentration in a single region. Tech giants such as Nvidia ( NVDA ), Apple ( AAPL ), Microsoft ( MSFT) and other tech giants will inevitably accelerate supplier diversification and pay extra costs for supply chain redundancy.

This strike exposes a common dilemma for tech companies in the AI era: how to establish a sustainable distribution mechanism among shareholder returns, R&D investment, and employee interests when technological dividends generate massive profits.

SK Hynix's profit-sharing model provides a reference point, but its universality is far from proven; given the differences in capacity structures, R&D burdens, and capital expenditure cycles among various companies, distribution schemes cannot be simply replicated.

The AI boom has pushed profits to record highs, but the real risk lies in a market reversal, when distribution conflicts temporarily masked by high profits may erupt collectively. The wave of labor unrest in South Korea demonstrates that this is essentially a structural issue regarding how economic growth dividends are distributed.

For competitors such as SK Hynix and Micron, the strike turmoil at Samsung presents short-term order opportunities; the ability to absorb spillover orders while simultaneously resolving internal profit distribution issues will determine who evolves from a short-term beneficiary into a long-term winner.

This content was translated using AI and reviewed for clarity. It is for informational purposes only.