Largest KOSPI companies by market value
Data as of Oct 27, 2026
The 50 most valuable companies listed on KOSPI, Korea's main market, ranked by market value (share price × listed shares) at the last close. Preferred shares are listed separately.
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Updated after each trading day. A list based on data, not a recommendation to buy or sell anything.
Questions people ask
What is the largest company on KOSPI?
As of Oct 27, 2026, Samsung Electronics (005930) is the largest, with a market value of ₩1,298T.
What is KOSPI?
The Korea Composite Stock Price Index and the name of the Korea Exchange's main market, where Korea's largest companies are listed.
Source: KRX statistical information