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
| Politician | Notified | Traded | Type | Amount | Change |
|---|---|---|---|---|---|
| Julie JohnsonD | Aug 5, 2026 | Oct 30, 2025 | Sell | $1,001 - $15,000 | +40.23% |
| Julia LetlowR | Jan 13, 2026 | Jul 24, 2025 | Sell | $1,001 - $15,000 | +43.37% |
| Julie JohnsonD | Dec 11, 2025 | Nov 3, 2025 | Sell | $1,001 - $15,000 | +37.80% |
| Carol D. MillerR | Apr 11, 2025 | Mar 10, 2025 | Sell | $1,001 - $15,000 | +42.36% |