GSK plc vs Merck & Co., Inc. — how do they compare? GSK plc trades at $50.33 (market cap $102.60B), while Merck & Co., Inc. trades at $133.42 (market cap $321.77B). The key difference: Merck & Co., Inc. is far larger — about 3.1× GSK plc's market cap, and GSK plc pays the higher dividend (3.57%). Which is the better fit depends on your goals.
| GSK | MRK | |
|---|---|---|
Market Cap | $102.60B | $321.77B |
Sector | Health | Health |
52-Week High | $61.18 | $131.84 |
52-Week Low | $38.22 | $77.60 |
Enterprise Value | $123.04B | $368.53B |
Dividend Yield | 3.57% | 2.61% |
Signals from Pluang's Aura AI — not financial advice
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.
MRK trades at $133.6, up 2.06% today, near its 52-week high. The stock shows a bullish technical trend with strong moving average support. Recent earnings have consistently beaten estimates, with Q3 2026 expected at $2.27 EPS. The company's acquisition of Terns Pharmaceuticals aims to bolster its oncology pipeline, while revenue growth remains steady at $65.01B in 2025.
MRK presents a positive outlook with a consensus price target of $140.36, indicating potential upside. Strong institutional buying and a 67.57% buy rating from analysts support bullish sentiment. Risks include rising debt-to-asset ratios and competitive pressures in the pharma sector. The dividend yield of $0.85 per half-year adds income appeal for long-term investors.
Trailing returns across standard periods
Latest headlines on both assets
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 →Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform is growing as a major contributor to overall sales. The company also has a substantial vaccine business, with treatments to prevent hepatitis B and pediatric diseases as well as HPV and shingles. Additionally, Merck sells animal health-related drugs. From a geographical perspective, just under half of the firm's sales are generated in the United States.
Read more on MRK →