MRKMerck & Co.

$145.57+83% 1Y

Is the business good?

Mixed

The checks split: 4 of 9 health tests passed and returns not propped up by debt.

2 neutral, 2 without data
Fundamental health (F-score)4 / 9SEC EDGAR · Dec 31, 2025

Mixed fundamental signals. Nine pass/fail tests of year-over-year health from the filings.

Where ROE comes from9% ROAderived

Efficiency-driven, thin margins turned over fast (the retail model). ROE 25% = margin × turnover × leverage.

Where this answer is blind. The F-score rewards improvement, so an already-elite company can score mid-pack.

How good a business is MRK?

Merck & Co. keeps 4.8% of every revenue dollar as profit after everything, against 18% for the median Drug Manufacturers - General name.

4.8%

Net margin · Drug Manufacturers - General median 18% · 12 months to Q2 2026

Share count, year on year
−1.7%

Share count, year on year · bought back, each share owns more of the company

R&D as % of revenue
46%

R&D as % of revenue

Gross margin
73%

Gross margin

Details›
Gross margin12 months to Q2 2026
73%
Net margin12 months to Q2 2026
4.8%
Free cash flow margin
24%
R&D as % of revenue
46%
Revenue, trailing twelve months
$66.6B
Free cash flow, trailing twelve months
$16.1B
Net income, trailing twelve months
$3.17B

Margins, capital and share counts from the statements as filed with the SEC; cash conversion is operating cash flow over operating profit after tax.