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SK Group

SK그룹

Conglomerate ranging from memory semiconductors and energy to telecoms and life sciences. Built around HBM leadership through SK hynix.

Chairman
Chey Tae-won
Founded
1953
Headquarters
Seoul, South Korea
Ownership Tree

The five families behind half of Korea’s market. Now mapped in English.

Explore the family tree
Total Mkt Cap
₩1370.0T
Affiliates
3+ 5
1D (weighted)
+1.68%
Sectors
SemiconductorHoldingEnergy

Recent Briefs

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Affiliates

3 listed
Semiconductor· 000660

SK hynix

World's second-largest memory semiconductor company, commanding 50%+ of the global HBM (High Bandwidth Memory) market. Lead supplier of HBM3E to NVIDIA for AI accelerator chips.

Mkt Cap
₩1202T
Foreign
~53%
1D
+1.93%
Site
Holding· 402340

SK Square

SK Group's ICT investment holding company. Major shareholder in SK hynix and semiconductor ecosystem.

Mkt Cap
₩145T
Foreign
~49%
1D
-0.09%
Site
Energy· 096770

SK Innovation

Korea's largest petroleum refiner and a major energy transition player. Parent company of SK On (EV batteries, supplying Ford and Hyundai) and SK Geo Centric (green chemicals and recycling).

Mkt Cap
₩23T
Foreign
~14%
1D
-0.60%
Site
Coming Soon

Sk Telecom

Coverage of this affiliate is on our roadmap.

Coming Soon

Sk Biopharm

Coverage of this affiliate is on our roadmap.

Coming Soon

Sk Bioscience

Coverage of this affiliate is on our roadmap.

Coming Soon

Sk On

Coverage of this affiliate is on our roadmap.

Coming Soon

Sk Inc

Coverage of this affiliate is on our roadmap.