Quest Diagnostics Inc vs GSK plc — how do they compare? Quest Diagnostics Inc trades at $237.51 (market cap $26.21B), while GSK plc trades at $50.56 (market cap $102.60B). The key difference: GSK plc is far larger — about 3.9× Quest Diagnostics Inc's market cap, and GSK plc pays the higher dividend (3.57%). Which is the better fit depends on your goals.
| DGX | GSK | |
|---|---|---|
Market Cap | $26.21B | $102.60B |
Sector | Health | Health |
52-Week High | $238.50 | $61.18 |
52-Week Low | $173.49 | $38.22 |
Enterprise Value | $31.97B | $123.04B |
Dividend Yield | 1.45% | 3.57% |
Signals from Pluang's Aura AI — not financial advice
Quest Diagnostics (DGX) trades at $237.99, up 0.15% on the day, near its 52-week high. The stock shows strong momentum with consecutive earnings beats in 2026, including Q2 EPS of $3.12 versus $2.82 expected. Revenue growth accelerated to $11.04 billion in 2025, with net income margin at 9.19%. Technical indicators signal a bullish trend, while analyst consensus is a $249.50 price target. Recent news highlights AI integration and raised 2026 outlook amid robust testing demand.
The outlook for DGX is positive, driven by earnings momentum, strategic partnerships, and healthcare demand. Investment opportunity lies in sustained growth and dividend yield, but risks include margin pressure from lower-margin deals and high debt levels. Valuation at a P/E of 25.21 requires continued execution to justify upside.
GSK trades at $50.27, down 3.62% today, with a bearish technical signal but strong fundamentals including a P/E of 16.02 and net income margin of 14.52%. Recent quarters show earnings beats, and the company announced a $2.52 billion cost-saving plan to boost its drug pipeline. Cash flow from operations remains robust at $7.74 billion for 2025.
The outlook is mixed: analyst consensus leans hold (55.18%) amid valuation concerns, but revenue growth and pipeline investments support long-term potential. Key risks include competitive pressures and regulatory uncertainty, as highlighted by recent news on vaccine policies. The stock offers a dividend yield with payments scheduled through 2026.
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 →