totalmarketcap

Largest companies in South Korea

The 12 companies domiciled in South Korea that trade on a US exchange, ranked by market capitalisation. Domicile comes from each company's own SEC filing, so a company headquartered here but listed only on its home market does not appear.

Combined market cap

$1.165 T

1.2% of all US-listed value

Companies

12

Ranked #6 of 55 countries

Largest

SK hynix

SKHY ยท market cap

Average

$97.058 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1SK hynixSKHY$1.01T$137.91-3.92% South Korea
2KB Financial GroupKB$44.5B$124.01+2.22% South Korea
3Shinhan Financial GroupSHG$36.2B$75.81+2.10% South Korea
4PoscoPKX$18.7B$57.77+3.01% South Korea
5Woori Financial GroupWF$17.7B$72.62+3.23% South Korea
6Korea Electric PowerKEP$16.0B$12.49+0.24% South Korea
7Sk TelecomSKM$13.1B$34.26-3.95% South Korea
8KtKT$8.92B$18.50-0.16% South Korea
9LG DisplayLPL$3.30B$3.30+1.85% South Korea
10DoubleDown InteractiveDDI$587.7M$11.86-0.34% South Korea
11GravityGRVY$473.4M$68.12+11.44% South Korea
12Global Interactive TechnologiesGITS$12.5M$2.14+2.39% South Korea

All 12 companies. One row per company โ€” secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Other countries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered โ€” see methodology.