MRK vs PFE
Merck and Pfizer, side by side.
Prices and company dataas of yesterday's close
- MRKBuy more17%
Merck's report on Oct 29 beat profit forecasts by 17%, and it pays a 2.3% dividend that it has raised for 15 years in a row.
- PFEBuy more21%
Pfizer's report on Nov 3 beat profit forecasts by 21%, and it pays a 5.8% dividend that it has raised for 15 years in a row.
Percent return
- MRK+66.58%
- PFE+23.18%
Nov 11, 2025 to Nov 11, 2026
Where they differ
- Company size: MRK $322B, PFE $143B.
- Sales growth, 1 yr: MRK +4.9%, PFE +1.3%. MRK is ahead.
- Price for $1 of next year's profit: MRK $17, PFE $10. PFE is ahead.
- Profit per $1 of sales: MRK 15¢, PFE 29¢. PFE is ahead.
- Cash minus debt: MRK −$46.8B, PFE −$49.1B. MRK is ahead.
- Price change, 1 yr: MRK +67%, PFE +23%. MRK is ahead. S&P 500 +12%.
- How much the price swings: MRK 33%, PFE 20%. PFE is ahead.
MRK: faster sales growth
Our pick of these: Merck
Sales growth +4.9% vs +1.3%
MRK +4.9%, PFE +1.3%.Forward P/E per point of sales growth 3.56 vs no growth
MRK 3.56, PFE no growth.+10.2% to the average analyst target, vs +2.9%
MRK +10.2%, PFE +2.9%.Where it loses: PFE has wider profit margins, 29.1% vs 15.1%
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Prices as of yesterday, 3:59 PM ET. A view, not advice.