TotalMarketCap

Largest companies in South Korea

The 13 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

$1.459 T

1.4% of all US-listed value

Companies

13

Ranked #5 of 55 countries

Largest

SK hynix

SKHY ยท market cap

Average

$112.199 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1SK hynixSKHY$1.30T$178.25-2.36% South Korea
2KB Financial GroupKB$44.7B$124.73-0.02% South Korea
3Shinhan Financial GroupSHG$36.6B$77.11-1.03% South Korea
4PoscoPKX$18.2B$56.26-4.22% South Korea
5Woori Financial GroupWF$18.1B$74.28-1.22% South Korea
6Korea Electric PowerKEP$14.3B$11.13-1.68% South Korea
7Sk TelecomSKM$13.6B$35.57-2.41% South Korea
8KtKT$9.12B$18.91-0.47% South Korea
9LG DisplayLPL$2.95B$2.95-4.53% South Korea
10DoubleDown InteractiveDDI$669.5M$13.51+0.82% South Korea
11Roze AiRZAI$598.2M$10.75-8.82% South Korea
12GravityGRVY$468.5M$67.42-0.24% South Korea
13Global Interactive TechnologiesGITS$7.10M$1.69-2.87% South Korea

All 13 companies. One row per company, with secondary share classes folded into their primary listing. Updated 9 Oct 2026.

Other countries

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