StockX has raised $495M, highlighted by a $60M Series E in April 2021 at a valuation of $3.8B. Earlier rounds contributed to rapid global growth as the company expanded into sneakers, collectibles, electronics, and luxury apparel. Founded in 2016, StockX operates an authenticated marketplace that verifies goods before delivery, ensuring buyer trust. Its funding has fueled international expansion, logistics development, authentication centers, and broader category diversification while strengthening the platform’s position as a leading resale marketplace for high-demand consumer goods.