This is the first edition of a series of blog posts we’ll use Similarweb’s Retail Intelligence to update twice a year – once for H1 and once for H2 2026 – tracking which of America’s biggest retailers are gaining (and losing) share across six categories that make up the bulk of US ecommerce: Electronics, Pet […] The post The Largest Retailers In The US, By Category (H1 2026) appeared first on Similarweb .