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SK hynix

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SK hynix Inc. through its subsidiaries, engages in research, develops, manufactures, distribute...

Symbol · 000660
Company profile

About

SK hynix Inc. through its subsidiaries, engages in research, develops, manufactures, distributes, and sells semiconductor devices in Korea, China, rest of Asia, the United States, Europe, and internationally. It offers DRAM, such as server memory, graphics memory, mobile memory, PC memory, consumer memory; NAND flash memory; SSD; and MCP products. It also engages in foundry business, produces non-memory semiconductors. The company serves its products for server, networking, mobile, personal computer, consumer, and automotive applications. The company was formerly known as Hynix Semiconductor Inc. and changed its name to SK hynix Inc. in March 2012. SK hynix Inc. was incorporated in 1949 and is headquartered in Icheon-si, South Korea.

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Market identity

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Progress

Roadmap

HBM4 enters mass production

KEY STEP

SK hynix stated on October 29, 2025 that HBM4, whose development had been completed in September, had entered mass production. The company said initial shipments would begin in the fourth quarter of 2025, with broader sales expansion planned thereafter.

Roadmap reference

40 trillion won share repurchase and cancellation program approved

KEY STEP

On August 19, 2026, SK hynix approved a program to repurchase 40 trillion won of common shares from August 20 through November 19 and cancel all acquired shares. The company also increased its shareholder return target to more than 50% of cumulative free cash flow generated during 2025 through 2027.

Roadmap reference

Yongin Y2 and Cheongju M17 investments approved

KEY STEP

On August 7, 2026, SK hynix approved approximately 54.3 trillion won of investment in new semiconductor fabs, including 35.2 trillion won for Yongin Y2 and 19.1 trillion won for Cheongju M17, with investment extending through 2031.

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People

Company team

SB

Seung Beom Koh

Independent Chairperson

Company leadership profile.

NK

Noh-Jung Kwak

President, CEO & Executive Director

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SY

Seon Yong Cha

President, Head of Research & Development and Executive Director

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DJ

Deog-Kyoon Jeong

Independent Director

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ZW

Zeong Won Kim

Independent Director

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DY

Donghoon Yang

Independent Director

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HS

Hyun-Chul Sohn

Independent Director

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YH

Yong Ho Jang

Non-Executive Director

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JK

Jung Kyu Kim

Non-Executive Director

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GG

Gahng Gook Choi

Independent Director

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