The combined market capitalization of South Korea's top 10 listed firms more than doubled through the end of October 2025. According to industry tracker CEO Score, it rose from 762 trillion won at the end of 2024 to 1,553 trillion won ($1.09 trillion). This growth outpaced counterparts in major economies like Taiwan, Japan, and the United States.
As of the end of October 2025, the combined market capitalization of South Korea's top 10 listed firms reached 1,553 trillion won ($1.09 trillion), more than doubling from 762 trillion won at the close of 2024. Data from industry tracker CEO Score showed that companies including Samsung Electronics and SK hynix drove this growth over the first 10 months of the year.
Doosan Enerbility posted the sharpest increase, with its market cap rising over fivefold from 11.2 trillion won to 56.8 trillion won. Samsung Electronics doubled to 636.4 trillion won, while SK hynix tripled to 407 trillion won.
South Korea outperformed other major economies in this metric. Taiwan ranked second with a 40 percent rise to 2,480 trillion won for its top firms, largely led by Taiwan Semiconductor Manufacturing Co. (TSMC). Japan saw a 30 percent increase, and the United States a 21 percent gain. On Wall Street, Nvidia Corp.'s market cap hit 7,013 trillion won, about ten times that of Samsung Electronics.
The report was released on November 5, highlighting the robust performance of Korean firms amid global competition.