DGX
Quest Diagnostics, Inc.
NYSE · Healthcare · Medical - Diagnostics & Research · US
$234.91
−0.04%Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open$234.40
From 52W high−5.07%
Volume864176.00
Market cap$25.93B
P/E (TTM)24.6x
P/S (TTM)2.2x
Div yield1.44%
Key dataOct 19, 2026
Open
$234.40
From 52W high
−5.07%
Volume
864176.00
Market cap
$25.93B
ValuationView details →
P/E (Fwd)
20.1x
EV/EBITDA
14.4x
P/E (TTM)
24.6x
RSI (14)
50.6
MomentumView details →
1D Return
−0.04%
YTD Return
+35.37%
SummaryUpdated Jun 1, 2026
Quest Diagnostics Incorporated (NYSE:DGX) is one of the largest clinical laboratory testing companies in the United States, founded in 1967 and headquartered in Secaucus, New Jersey. The company went public in 1996 and has grown through both organic expansion and strategic acquisitions to become a dominant player in the diagnostic testing industry. Quest operates a nationwide network of laboratories and patient service centers, providing essential diagnostic information services to healthcare providers, patients, and other stakeholders across the healthcare ecosystem.
Similar companies
Latest newsMore news →
Catherine T. Doherty is scheduled to retire from her executive vice president role at QUEST DIAGNOSTICS INC, effective July 1, 2027.13d agoQUEST DIAGNOSTICS INC appointed Catherine T. Doherty as executive vice president, effective November 1, 2026.13d agoQuest Diagnostics shares rose 36.3% year-to-date as of September 2026, driven by momentum in advanced diagnostics, channel growth, AI adoption and cost savings.24d ago