Largest KOSDAQ companies by market value
Data as of Oct 26, 2026
The 50 most valuable companies listed on KOSDAQ, Korea's growth and technology market, ranked by market value at the last close.
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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 KOSDAQ?
As of Oct 26, 2026, Alteogen (196170) is the largest, with a market value of ₩15T.
What is the difference between KOSPI and KOSDAQ?
KOSPI is the main market for large, established companies; KOSDAQ is for smaller and growth companies, many in biotech and technology. Our guide explains both.
Source: KRX statistical information