All Companies

DGX

Quest Diagnostics Inc.

Services-Medical Laboratories

$246.45updated Sep 19, 2026

Congressional trading profile for Quest Diagnostics Inc. (DGX), covering 8 disclosed transactions by 4 lawmakers.

Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 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.

Total Trades

8

Politicians Trading

4

Last Traded

Mar 30, 2026

Price history

Congressional Trades

PoliticianNotifiedTradedTypeAmountChange
No congressional trades found.