Quest Diagnostics Inc vs GSK plc — how do they compare? Quest Diagnostics Inc trades at $202.3 (market cap $22.80B), while GSK plc trades at $51.46 (market cap $101.55B). The key difference: GSK plc is far larger — about 4.5× Quest Diagnostics Inc's market cap, and GSK plc pays the higher dividend (3.5%). Which is the better fit depends on your goals.
| DGX | GSK | |
|---|---|---|
Market Cap | $22.80B | $101.55B |
Sector | Health | Health |
52-Week High | $216.02 | $61.18 |
52-Week Low | $166.42 | $36.20 |
Enterprise Value | $28.82B | $122.16B |
Dividend Yield | 1.67% | 3.5% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $207.35, showing minimal daily movement with a slight decline of 0.04%. The stock maintains a bullish technical stance with recent earnings beats and analyst consensus pointing to upside potential. Recent developments include New York State approval for Haystack MRD testing and strong momentum across diagnostic channels. Revenue growth accelerated to $11.04 billion in 2025 with consistent profitability margins around 9%.
DGX presents a balanced investment case with 38% analyst buy ratings and a $227.75 price target suggesting 10% upside. The company demonstrates steady revenue growth and operational efficiency, though elevated debt levels and policy risks require monitoring. Second quarter earnings on July 23, 2026, will be crucial for validating current momentum and growth trajectory.
GSK trades at $52.29, down 0.93% with neutral technical signals. The company shows strong fundamentals with Q1 2026 EPS beating expectations at $1.24 versus $1.16 forecast. Recent FDA approvals for Utebzi and positive Jemperli trial results highlight pipeline strength. Valuation metrics appear reasonable with P/E of 13.94 and ROE of 36.42%.
GSK presents a balanced investment case with solid profitability and promising drug pipeline offset by mixed analyst sentiment and competitive pressures. The stock offers income potential with 3.46% dividend yield but faces execution risks in drug development and market competition.
Trailing returns across standard periods
Latest headlines on both assets
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. 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.
Read more on DGX →In the pharmaceutical industry, GSK ranks as one of the largest firms by total sales. The company wields its might across several therapeutic classes, including respiratory, cancer, and antiviral, as well as vaccines. GSK uses joint ventures to gain additional scale in certain markets like HIV.
Read more on GSK →