NYSE: DGXQuest Diagnostics Incorporated

HealthcareMkt Cap $26.97BCongress ownership rank #204

Quest Diagnostics Incorporated Congressional Trading

According to U.S. congressional financial disclosures filed under the STOCK Act, members of Congress have reported 129 trades in Quest Diagnostics Incorporated (NYSE: DGX) since 2013, across 20 members, worth an estimated $1.9M in disclosed volume (the midpoint of the dollar ranges members report, not exact amounts). 63 buys against 66 sells, a modestly sell-led skew, with Democratic members responsible for 34% of the trades and Republican members 66%. The most recent disclosure shown was filed August 2026, and Julie Johnson has filed the most DGX transactions among those shown, with 3. Other recent filers include Alan Armstrong and Rohit Khanna. One notable disclosed move was a purchase by Julie Johnson on October 30, 2025, up 40.4% since. These figures are drawn from public House and Senate periodic transaction reports and reflect what members were required to disclose, not the current market value of any position. For the full record, including the month-by-month buy and sell timeline, the party breakdown, top buyers and sellers, and every individual filing, see the Quest Diagnostics Incorporated (DGX) stock overview and the complete trade table below.