Founders like Sherman and Walker are seeing value in selling to companies like Thrasio and others. Walpole, Massachusetts-based Thrasio, founded in 2018, is one of the earliest companies to figure out the secret sauce behind Amazon’s Marketplace data. In total, these companies raised just over $2.3 billion in known venture capital funding, with Thrasio leading the group with $1.6 billion, according to Crunchbase data. “These aggregator companies are good at the online perspective with distribution, marketing and supply chain,” he said in an interview. “We see Thrasio is so big, which is immaterial of the Amazon Marketplace at large.