DGX vs CG Comparison

Quest Diagnostics Inc is a leading independent provider of diagnostic testing, information, and services in the us. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.

Carlyle Group is one of the world's largest alternative-asset managers, with $453 billion in total AUM, including $314 billion in fee-earning AUM, at the end of March 2025. The company has three core business segments: global private equity, which includes its private equity, real estate, infrastructure, and natural resources offerings (with $164 billion in total AUM and $99 billion in fee-earning AUM), global credit ($199 billion/$161 billion), and investment/fund solutions, known as Carlyle AlphInvest ($89 billion/$54 billion). The firm primarily serves institutional investors and high-net-worth individuals. Carlyle operates through 29 offices across five continents, serving more than 3,100 active carry fund investors from 87 countries.