USDTWD.ai Taiwan Macro Atlas

Taiwan’s top listed companies by market capitalization, 2025

TWSE’s 2025 table shows TSMC at NT$40.20tn, far ahead of Taiwan’s other listed giants.

What the Data Shows

This ranking shows how concentrated Taiwan’s equity market is around semiconductors. TSMC alone was larger than the next nine companies combined in the top ten. The rest of the list mixes electronics manufacturers, chip firms, telecoms and financial holdings, giving a compact map of Taiwan’s public-market power centers.

Data table

TSMC NT$40.20tn 2330
Hon Hai NT$3.22tn 2317
Delta Elec. NT$2.50tn 2308
MediaTek NT$2.29tn 2454
Fubon Fin. NT$1.35tn 2881
Cathay Fin. NT$1.11tn 2882
ASE Holding NT$1.11tn 3711
Quanta NT$1.05tn 2382

Sources

Source 1: Top 30 Companies for Stock by Market Capitalization in 2025

Publisher: Taiwan Stock Exchange

Dataset/table: TWSE Fact Book 2026, 2025 year-end table

Units: NT$ million

Date checked: 2026-05-07

Status: verified

Note: TWSE reports the top 30 listed companies by market capitalization at the end of 2025, including TSMC at NT$40,195,412 million.

Data notes & caveats

TWSE notes the table excludes special stock. Market capitalization is a point-in-time year-end value and can move materially with prices.

TWSE reports the top 30 listed companies by market capitalization at the end of 2025, including TSMC at NT$40,195,412 million.

Methodology

Values are TWSE year-end 2025 market capitalizations in NT$ million. Values are displayed in NT$ trillions. Shares use TWSE all-listed-company market value of NT$94.358927tn as the denominator.