Eli Lilly and Company (LLY) vs Merck & Co., Inc. (MRK)

LLY leads on 10 of 17 compared metrics, though MRK is the cheaper stock.

A side-by-side comparison of Eli Lilly and Company and Merck & Co., Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of June 13, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

Total return — LLY vs MRK

growth of $100 · last 30y
LLY +3454.0%MRK +287.9%LLY compounded faster
Log scale — wide-divergence pair
101001k10kStart $100200120062011201620212026$3,554$388
LLY MRK

LLY vs MRK: by the numbers

  • LLY is the larger company ($1.07T vs $294.03B market cap).
  • MRK trades at the lower earnings multiple (33.54 vs 40.25 P/E).
  • LLY converts more revenue to profit (34.98% vs 13.62% net margin).
  • LLY grew revenue faster over the past five years (23.17% vs 8.60% CAGR).
  • MRK pays the higher dividend yield (2.79% vs 0.57%).

Which is better, LLY or MRK?

Metric tally: LLY 10 · MRK 7

It depends on what you're optimizing for:

ValueMRK(lower P/E)
GrowthLLY(faster 5Y revenue CAGR)
IncomeMRK(higher dividend yield)
QualityLLY(higher ROIC)

Valuation

MetricLLYMRK
P/E ratio40.2533.54
Forward P/E25.4112.35
P/S ratio14.054.49
P/B ratio32.546.41
PEG ratio0.491.81
EV / EBITDA31.4719.58
FCF yield1.34%4.80%

Profitability

MetricLLYMRK
Gross margin83.51%75.91%
Operating margin45.87%27.59%
Net margin34.98%13.62%
ROE81.01%19.48%
ROIC30.20%18.27%

Dividends

MetricLLYMRK
Dividend yield0.57%2.79%
Payout ratio28.09%45.48%

Growth (annualized)

MetricLLYMRK
Revenue CAGR (5Y)23.17%8.60%
EPS CAGR (5Y)28.88%21.21%
FCF CAGR (5Y)19.54%15.69%
Total return CAGR (5Y)39.57%12.79%

Frequently asked

Which is better, LLY or MRK?
It depends on your goal. value: MRK (lower P/E); growth: LLY (faster 5Y revenue CAGR); income: MRK (higher dividend yield); quality: LLY (higher ROIC). Across all compared metrics, LLY leads 10 to 7.
Is LLY or MRK cheaper?
On trailing earnings, MRK is cheaper: LLY trades at a 40.25 P/E and MRK at 33.54.
Which has grown faster, LLY or MRK?
Over the past five years, LLY grew revenue faster — LLY at a 23.17% CAGR versus MRK at 8.60%.
Does LLY or MRK pay a bigger dividend?
LLY yields 0.57% and MRK yields 2.79% based on trailing dividends and the latest price.
Is LLY or MRK more profitable?
LLY runs the higher net margin — LLY at 34.98% versus MRK at 13.62%.
Which has been the better investment, LLY or MRK?
Over the past 10-year, LLY delivered the higher annualized total return — LLY at 33.50% versus MRK at 11.57%. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified June 13, 2026.