Taiwan’s stock market hosts many of the world’s leading players in semiconductors, electronics and financial services. Here are the largest publicly listed Taiwanese companies by market capitalisation – calculated by multiplying the share price by the total number of outstanding shares – as of 17 April 2026.
Our rankings below display the top Taiwan companies by market capitalisation as of 17 April 2026. Each company’s market cap is shown in USD, together with its most recent share price.
| Rank | Company | Market cap (USD) | Share price (USD) |
|---|---|---|---|
| 1 | TSMC | $1.9tn | $372.74 |
| 2 | Delta Electronics | $152bn | $58.53 |
| 3 | MediaTek | $97.7bn | $61.23 |
| 4 | Foxconn (Hon Hai Precision Industry) | $91.5bn | $6.55 |
| 5 | ASE Group | $62.3bn | $28.44 |
| 6 | Quanta Computer | $39.6bn | $10.27 |
| 7 | Fubon Financial | $39.2bn | $2.80 |
| 8 | Accton Technology | $36.8bn | $65.84 |
| 9 | Cathay Financial Holding | $35bn | $2.39 |
| 10 | Chunghwa Telecom | $34.1bn | $43.94 |
Taiwan's top-10 companies by market cap changed notably in 2026, reflecting the effect of the AI boom on valuations. Delta Electronics' rise stands out: its market capitalisation more than quadrupled over the past year, moving it ahead of both MediaTek and Foxconn into the number-two spot (Bloomberg, 30 January 2026). This was driven by its strength in AI server power supply units and cooling systems – products once seen as lower-margin industrial components but now viewed as critical to hyperscale data centre construction, with Delta holding an estimated 60% share of the AI server power supply market (TVBS English, 13 April 2026). Meanwhile, MediaTek has pivoted further towards data centres, automotive, and AR as its core mobile chipset market matures – a strategy it detailed at its April 2026 Analyst Day, where it described data centres as its 'highest priority and largest growth opportunity' (Futurum Group, 6 April 2026) – which could lead to further ranking changes in the periods ahead.
AI infrastructure spending has been one of the main forces shaping Taiwan's equity market in recent years. Demand for AI accelerators, high-bandwidth memory, advanced packaging, and AI server components has benefited companies across the TAIEX, from TSMC's record 2nm node revenues to Delta Electronics' power supply and thermal management systems and Accton Technology's AI networking switches (Asia Business Outlook, 30 January 2026). Taiwan's government revised its 2026 GDP growth forecast to 7.7%, citing AI-led semiconductor demand as the main driver, with goods and services exports now forecast to grow by 22.22% year-on-year in 2026, compared with an earlier projection of just 6.32% (Reuters, 13 February 2026). Analysts at Premia Partners said the Taiwan stock market 'sits at the confluence of the global tech super cycle, robust earnings growth and modest valuations', supported by a vertically integrated supply chain offering end-to-end AI hardware capability (Premia Partners, 2 February 2026).
Taiwan's listed companies still face external macro risks, and US trade policy has been a source of volatility in 2026. The TAIEX saw sharp intraday swings earlier in the year after new US tariff announcements, with export-focused companies such as Foxconn among the most exposed because of their reliance on US-bound electronics supply chains (Focus Taiwan, 23 February 2026). In its Q1 2026 earnings call, TSMC flagged that the Iran-related Strait of Hormuz closure has driven up helium prices – a critical input for advanced chip manufacturing – by 100% since the conflict began, while energy supply lines remain disrupted, with Taiwan holding only approximately 11 days of LNG reserves (Gotrade / HeyGoTrade, 14 April 2026). Taiwan's government and listed companies have responded by speeding up overseas manufacturing diversification, most visibly through TSMC's $165 billion Arizona gigafab investment – the largest overseas semiconductor plant in US history – as well as an evaluation of a potential UAE fabrication facility (Yahoo Finance / Investopedia, 29 January 2026; Tech Insider, 5 April 2026).
Beyond the technology giants, Taiwan's broader economy entered 2026 in solid shape. Small and medium-sized enterprises – a key part of Taiwan's industrial base – reported their strongest growth sentiment since before the pandemic, with 63% expecting revenue growth and 61% forecasting broader economic expansion in 2026, the highest confidence level recorded since Taiwan was first included in the survey in 2018 (CPA Australia / Yahoo Finance, 30 March 2026; The Accountant Online, 30 March 2026). This outlook reflects strong export orders – with real exports of goods and services forecast to grow by 12.68% in 2026, driven by AI-related semiconductor demand (Taiwan Statistics Agency, 12 February 2026) – alongside a tight labour market in technology sectors and government investment in infrastructure and energy. Chunghwa Telecom, Taiwan's largest telecoms operator and a top-10 listed company, reported Q1 2026 revenues of NT$59.99 billion (up 7.49% year-on-year) and net income of NT$10.11 billion, representing the more stable, domestically focused segment of the market that provides a counterweight to the more volatile semiconductor names dominating the index (Chunghwa Telecom / StockTitan, 9 April 2026).
The information on this page is based on data from public company disclosures and market feeds. It is provided for informational purposes only and does not constitute investment advice or a recommendation to trade. While considered accurate as of the stated date, figures may be updated without prior notice.
Market capitalisation is the total value of a company’s outstanding shares. It’s calculated by multiplying the share price by the number of shares outstanding. Traders often use market cap to compare company size. Although it can indicate liquidity, average daily trading volume is a more direct measure of actual market liquidity.
To trade Taiwanese share CFDs, you’ll need to open and verify an account with a regulated CFD provider, after which you can deposit funds and access the trading platform. Search for the ticker and select the CFD. Contracts for difference (CFDs) are derivatives, which means you don’t own the underlying asset. They’re traded on margin, and leverage amplifies both profits and losses. You may wish to practise on a demo account before trading with real funds.
Taiwan’s leading companies operate across semiconductors, contract manufacturing, electronics and financial services. Their share price movements are often influenced by global technology demand, supply-chain developments, and domestic economic policy. Past performance is not a reliable indicator of future results.
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