Taiwan’s stock market capitalization surpassed US$5 trillion at the end of May 2026, according to the Taiwan Stock Exchange (TWSE).

The exchange attributed the record high to growth  in AI-related sectors, including semiconductors and hardware.

Data from CEIC showed Taiwan’s market capitalization was about US$4.02 trillion in April 2026, suggesting a sharp rise in May.

Nearly 40 companies are expected to apply for listings in 2026. More than 15 are tied to the AI supply chain, TWSE said.

Many of the expected listings are in technology and AI-related sectors.

Technology-related sectors made up 81.44% of TWSE market capitalization. External market data showed TSMC accounted for more than 40% of the market’s total value.

Foreign investors represented 49.4% of total market capitalization at the end of April 2026 and accounted for about 35.5% of average daily trading value.

🔗 Source: Taiwan Stock Exchange (TWSE)