Largest E-Commerce Companies by Market Cap | Live Rankings

Amazon, founded in 1994 in Seattle, and Alibaba, established in 1999 in Hangzhou, sit atop the global e-commerce sector as its two largest publicly traded companies. The sector spans roughly 25 countries among its top 100 firms, with Chinese and American companies dominating the upper ranks.

E-commerce businesses follow different structural models. Direct-sales companies like JD.com carry their own inventory and generate higher revenue, while marketplace operators like Alibaba — which hosts the world’s largest B2B, C2C, and B2C platforms — earn commissions and tend to have higher margins. Many companies, Amazon included, operate as hybrids. Most of Amazon’s units are sold by independent third-party sellers listing on its marketplace.

The leading e-commerce companies by market cap include names from across the globe:

• Marketplaces & hybrid retail: Amazon (NASDAQ), Alibaba (NYSE / HKEX), PDD Holdings (NASDAQ), JD.com (NASDAQ)
• Regional leaders: MercadoLibre — the largest e-commerce company in Latin America, Coupang — South Korea’s largest online marketplace, Sea Limited (Shopee) — a major platform across Southeast Asia
• Commerce infrastructure: Shopify, based in Canada, provides tools that enable merchants to build their own online stores, process payments, and manage fulfillment

PDD Holdings, founded only in 2015, is one of the fastest-growing companies in the sector, operating both the Pinduoduo platform in China and the Temu marketplace internationally. Sea Limited combines e-commerce (Shopee) with gaming (Garena) and fintech (Sea Money) under one umbrella.

The sector covers product categories ranging from fashion and electronics to beauty, healthcare, and automotive parts — with clothing being the leading sub-segment due to high purchase frequency. Among the top ten e-commerce stocks by market cap, four are headquartered in China, and most trade on U.S. exchanges like NASDAQ and NYSE.

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The table below ranks the largest publicly traded e-commerce companies by market capitalization, with live pricing data updated throughout the trading day.