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

$1.541 T

1.5% of all US-listed value

Companies

12

Ranked #5 of 55 countries

Largest

SK hynix

SKHY ยท market cap

Average

$128.392 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1SK hynixSKHY$1.38T$189.28-3.12% South Korea
2KB Financial GroupKB$45.0B$125.39-2.96% South Korea
3Shinhan Financial GroupSHG$37.9B$79.83-3.54% South Korea
4Woori Financial GroupWF$18.9B$77.43-1.83% South Korea
5PoscoPKX$18.2B$56.27-4.71% South Korea
6Korea Electric PowerKEP$14.0B$10.89-3.63% South Korea
7Sk TelecomSKM$13.8B$35.85-1.38% South Korea
8KtKT$9.38B$19.45-0.26% South Korea
9LG DisplayLPL$2.94B$2.94-3.29% South Korea
10DoubleDown InteractiveDDI$644.2M$13.00-0.76% South Korea
11GravityGRVY$468.8M$67.47-1.76% South Korea
12Global Interactive TechnologiesGITS$8.45M$2.01-12.61% South Korea

All 12 companies. One row per company, with secondary share classes folded into their primary listing. Updated 24 Sept 2026.

Other countries

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