Top 50 Largest Companies in the World by Market Cap (Updated Daily)

19th May 2026
The world’s biggest companies are changing faster than ever as AI, semiconductors, energy, banking and cloud computing reshape global markets. NVIDIA remains the world’s most valuable company in 2026, ahead of Alphabet, Apple and Microsoft, while semiconductor firms continue dominating the top of the global rankings. Below are the largest public companies in the world by market capitalization, updated daily using live market data. What Changed Today? Tuesday 19 May 2026 NVIDIA strengthened its position as the world’s most valuable company as AI infrastructure demand continued pushing semiconductor stocks higher. Alphabet remained ahead of Apple in the global rankings as investors continued focusing on AI expansion, cloud services and digital advertising growth. Semiconductor companies continued dominating worldwide markets, with TSMC, Broadcom, SK Hynix, Micron Technology, AMD and Intel all maintaining enormous valuations as AI-chip demand remained one of the strongest themes across global markets. Tesla stayed above the £1 trillion mark as investors continued betting on robotics, autonomous driving technology and long-term AI ambitions. Chinese technology and banking firms including Tencent, Alibaba Group, China Construction Bank and ICBC also remained among the world’s largest corporations as markets monitored stimulus expectations and broader economic conditions in China. Energy giants including Saudi Aramco, Exxon Mobil and Chevron continued holding major global positions despite volatility in oil and commodity markets. Major financial institutions including JPMorgan Chase, Bank of America, Morgan Stanley and HSBC also remained firmly inside the global top 50 as investors reacted to interest-rate expectations and global economic forecasts. Rank Company Ticker Market Cap Country 1 NVIDIA NVDA £4.015T USA 2 Alphabet (Google) GOOG £3.551T USA 3 Apple AAPL £3.261T USA 4 Microsoft MSFT £2.346T USA 5 Amazon AMZN £2.124T USA 6 TSMC TSM £1.531T Taiwan 7 Broadcom AVGO £1.485T USA 8 Saudi Aramco 2222.SR £1.335T Saudi Arabia 9 Meta Platforms META £1.156T USA 10 Tesla TSLA £1.148T USA Market Note: The top 10 remains heavily dominated by U.S. technology and AI-linked companies. NVIDIA, Alphabet, Apple, Microsoft, Amazon, TSMC, Broadcom, Meta and Tesla show how much market value is now concentrated around AI infrastructure, cloud computing, chips, advertising platforms and data centres. 11 Samsung Electronics 005930.KS £895.28B South Korea 12 Walmart WMT £792.54B USA 13 Berkshire Hathaway BRK-B £785.47B USA 14 Eli Lilly LLY £657.03B USA 15 SK Hynix 000660.KS £613.01B South Korea 16 JPMorgan Chase JPM £600.87B USA 17 Micron Technology MU £573.12B USA 18 AMD AMD £511.88B USA 19 Exxon Mobil XOM £496.04B USA 20 Visa V £471.71B USA Market Note: The next group shows how the AI boom is spreading beyond Big Tech. Samsung, SK Hynix, Micron, AMD and Intel all sit near the top of global markets because memory chips, processors and semiconductor supply chains have become central to future growth. At the same time, Walmart, Berkshire Hathaway, Eli Lilly, JPMorgan, Exxon Mobil and Visa show that retail, healthcare, banking, energy and payments still carry huge global weight. 21 ASML ASML £423.16B Netherlands 22 Johnson & Johnson JNJ £410.91B USA 23 Intel INTC £405.39B USA 24 Oracle ORCL £400.20B USA 25 Tencent TCEHY £386.95B China 26 Costco COST £356.12B USA 27 Cisco CSCO £350.14B USA 28 Mastercard MA £333.25B USA 29 Caterpillar CAT £296.72B USA 30 Chevron CVX £291.25B USA Market Note: This section shows the wider infrastructure behind the AI economy. ASML, Oracle, Cisco, Mastercard and Caterpillar all benefit from different parts of the capital-spending cycle, from chipmaking equipment and cloud software to networks, payments and industrial machinery. 31 China Construction Bank 601939.SS £284.90B China 32 Netflix NFLX £281.49B USA 33 AbbVie ABBV £275.88B USA 34 Bank of America BAC £268.24B USA 35 UnitedHealth Group UNH £264.86B USA 36 Coca-Cola KO £260.51B USA 37 Lam Research LRCX £259.20B USA 38 Agricultural Bank of China 601288.SS £254.10B China 39 Roche RO.SW £253.43B Switzerland 40 Procter & Gamble PG £247.24B USA Market Note: Healthcare, banking and consumer names remain powerful even as AI dominates the top of the table. Roche, AbbVie, UnitedHealth, Coca-Cola and Procter & Gamble show that defensive sectors still command enormous investor confidence, while Chinese banks and Alibaba reflect the continued importance of China’s financial and technology markets. 41 Applied Materials AMAT £244.74B USA 42 Palantir Technologies PLTR £241.57B USA 43 Alibaba Group BABA £238.39B China 44 ICBC 1398.HK £235.18B China 45 HSBC HSBC £230.49B UK 46 Morgan Stanley MS £226.63B USA 47 General Electric GE £222.81B USA 48 Home Depot HD £222.67B USA 49 Philip Morris International PM £222.55B USA 50 AstraZeneca AZN £212.69B UK Market Note: The full top 50 shows a global market split between the AI economy and the old economy. Semiconductors, cloud computing and data centres are driving the fastest valuation shifts, but banks, oil majors, healthcare groups, consumer brands and industrial companies still make up a large share of the world’s most valuable businesses. Why This Ranking Matters The global market-cap leaderboard increasingly reflects where investors believe the future economy is heading. Artificial intelligence, semiconductors, cloud computing and data-centre infrastructure continue driving many of the largest valuation gains in global markets, helping U.S. technology firms maintain enormous dominance across worldwide equity markets. At the same time, energy giants, pharmaceutical companies, banks and industrial manufacturers remain among the most valuable businesses on the planet, showing how traditional industries still hold enormous global influence despite the rapid expansion of AI-related companies. The rankings also increasingly act as a real-time snapshot of broader global themes, including AI investment, energy demand, semiconductor competition, cloud expansion, geopolitical risk and shifting global capital flows.