In fiscal year 2025 Merck reported $65.0B in revenue against Pfizer's $62.6B, 1.04× as much.
| Measure | MRK | PFE | Gap |
|---|---|---|---|
| Revenue | $65.0B | $62.6B | ×1.04 |
| Cost of revenue | $16.4B | $16.1B | ×1.02 |
| Operating income | $21.1B | $7.5B | ×2.80 |
| Net income | $18.3B | $7.8B | ×2.35 |
| EPS (diluted) | 7.28 | 1.36 | ×5.35 |
| Total assets | $137B | $208B | ×1.52 |
| Shareholders' equity | $52.6B | $86.5B | ×1.64 |
| Cash | $14.6B | $1.1B | ×12.75 |
| Long-term debt | $46.8B | $61.6B | ×1.32 |
| Net margin | 28.1% | 12.4% | ×2.26 |
| Operating margin | 32.4% | 12.0% | ×2.70 |
| Operating cash flow | $16.5B | $11.7B | ×1.41 |
| Capital expenditure | $4.1B | $2.6B | ×1.56 |
| Free cash flow | $12.4B | $9.1B | ×1.36 |
| R&D expense | $15.8B | $10.4B | ×1.51 |
| Income tax expense | $2.8B | −$266M | — |
| Share buybacks | $5.1B | $0 | — |
The larger of the two figures is in bold. Larger is not automatically better: on debt, cost and tax a bigger number is simply a bigger number. This site reports the figures and leaves the judgement to you.
Revenue, year by year
Merck · 2016–2025
Pfizer · 2016–2025
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026
Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
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{{cite web |title=Merck vs Pfizer |url=https://companiesranked.com/en/compare/merck-vs-pfizer |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Merck vs Pfizer. CompaniesRanked. https://companiesranked.com/en/compare/merck-vs-pfizerBibTeX
@misc{companiesranked-en-compare-merck-vs-pfizer-2026,
author = {{CompaniesRanked}},
title = {{Merck vs Pfizer}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/compare/merck-vs-pfizer}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.