Largest Semiconductor Companies by Valuation (-Market Cap, 7 March, 2026)

Largest semiconductor companies by Market Cap (7 March 2026)

The global semiconductor industry is booming as AI, cloud computing, and advanced electronics drive unprecedented demand for chips. 

According to market capitalisation data from March 2026, NVIDIA leads the world with a US$4.321 trillion valuation, reflecting the explosive growth of AI processors and data-center GPUs.

Taiwan’s TSMC (US$1.757 trillion) follows as the world’s most important chip manufacturer, producing advanced chips for companies like Apple and NVIDIA. 

U.S. giant Broadcom (US$1.566 trillion) ranks third, while Samsung Electronics (US$848 billion) and ASML (US$507 billion) round out the top five.

Other major players include SK hynix, Micron Technology, AMD, Applied Materials, and Lam Research, highlighting how both chip designers and semiconductor equipment companies shape this trillion-dollar ecosystem.

Semiconductors power everything from smartphones and cars to AI supercomputers, making them one of the most strategic industries in the global economy today.