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Compare > Merck & Co., Inc. vs Pfizer Inc.

Merck & Co., Inc. vs Pfizer Inc.: Stock Comparison

Share price, earnings, valuation and dividends side by side.

As of Nov 6, 2026

Merck & Co., Inc. has a market cap of $362B and Pfizer Inc. $168B, so Merck & Co., Inc. is about 2.2 times the size of Pfizer Inc..

Operating margin is 16.7% for Merck & Co., Inc. and 25.1% for Pfizer Inc..

The P/E ratio (TTM) is 116.4x for Merck & Co., Inc. and 38.8x for Pfizer Inc..

Dividend yield is 2.32% for Merck & Co., Inc. and 5.85% for Pfizer Inc..

In each row, the better figure is highlighted based only on the number itself. This does not say which is the better investment.

MRKMerck & Co., Inc.HealthcarePFEPfizer Inc.Healthcare
Basics
Market cap$362B$168B
Share price$146.71$29.39
1-year return+76.0%+26.6%
5-year return+109.4%−21.9%
Valuation
P/E (TTM)116.4x38.8x
Forward P/E55.2x9.9x
P/S5.5x2.6x
P/B8.6x2.0x
EV/EBITDA29.4x17.0x
Profitability
Revenue (TTM)$66.4B$63.7B
Gross margin75.4%71.3%
Operating margin16.7%25.1%
Net margin4.8%6.8%
ROE6.6%4.9%
Growth
Revenue growth (YoY)+4.2%—
Revenue CAGR (5Y)+9.4%+8.5%
EPS CAGR (5Y)+21.2%−3.5%
Dividends & balance sheet
Dividend yield2.32%5.85%
Years of dividend growth——
FCF yield4.4%6.6%
Debt/equity (lower = less debt)1.29x0.74x

Other comparisons

Listed mechanically from public data. Not a recommendation to buy or sell any security.