SK Hynix Reports 137% Q4 Profit Surge to ₩19.2 Trillion as AI Demand Grows

TLDR

• SK Hynix reported a 137% increase in Q4 operating profit, reaching ₩19.2 trillion, setting a new record.
• The company’s Q4 revenue hit ₩32.8 trillion, marking a 34% rise compared to the previous quarter.
• SK Hynix’s full-year revenue for 2025 reached ₩97.1 trillion, while operating profit totaled ₩47.2 trillion.
• The company’s net income for 2025 surged to ₩42.9 trillion, more than doubling from the previous year.
• SK Hynix saw a significant increase in HBM sales, driven by the launch of HBM4 and growing AI-related demand.
• SK Hynix ramped up production at its M15X fab and expanded its packaging facilities to meet rising memory demand.

SK Hynix has closed out 2025 with record-breaking figures, achieving an impressive ₩19.2 trillion in operating profit for Q4. This represents a 137% increase from the same period last year. The company also saw a 34% rise in revenue quarter-on-quarter, reaching ₩32.8 trillion. With these strong results, SK Hynix set all-time highs for both revenue and profit.

Record-Breaking Financial Performance

SK Hynix’s full-year performance surpassed expectations, achieving ₩97.1 trillion in revenue and ₩47.2 trillion in operating profit. Net income for 2025 reached ₩42.9 trillion, marking a more than 100% increase from the previous year. The company’s operating margin stood at 49%, and net margin was at 44%. Compared to 2024, SK Hynix recorded a ₩30 trillion increase in revenue and doubled its profit.

The strong financial performance was driven by the surge in demand for memory solutions, particularly for high-bandwidth memory (HBM). SK Hynix’s HBM sales more than doubled, boosted by the mass production of HBM4, which began in September. The company is now the only supplier capable of shipping both HBM3E and HBM4 simultaneously, meeting the increasing demand from AI-related industries.

SK Hynix’s Expanding Product Portfolio

SK Hynix’s expansion in AI-driven memory solutions has been pivotal in the company’s growth. The company introduced its latest server DRAM products, including the 1cnm process and a new 256GB DDR5 RDIMM, aimed at hyperscale buyers. SK Hynix also responded to rising demand for NAND, launching 321-layer QLC products and capitalizing on the growing need for eSSD.

As AI firms shift from training to inference models, the demand for memory has grown significantly. This trend is expected to continue, with SK Hynix focused on meeting both performance and volume needs. The company plans to expand its AI memory portfolio with new products, including SOCAMM2 and GDDR7 for DRAM, and 321-layer NAND for storage solutions.

Investment in Future Growth and Shareholder Returns

SK Hynix is actively investing in its infrastructure to keep up with the rising demand for its products. The company is ramping up production at its M15X fab in Cheongju and constructing its first fab in the Yongin Semiconductor Cluster. SK Hynix is also expanding its packaging facilities in Cheongju and Indiana to support its global manufacturing capabilities.

In addition to its strong financial performance, SK Hynix is rewarding its shareholders with a ₩1 trillion special dividend. This brings the total year-end dividend to ₩1,875 per share, or ₩2.1 trillion in total. The company is also canceling 15.3 million treasury shares, signaling its commitment to enhancing long-term shareholder value.

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