AbbVie vs Merck (ABBV vs MRK)
Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.
Merck is the larger company by revenue ($65.0B vs $61.2B). AbbVie carries the larger market value ($438.3B vs $306.3B). Merck has grown revenue faster over the last 4 fiscal years (+33.5% cumulative vs +8.8%). Merck trades at the lower trailing P/E (34.9x vs 122.2x).
About AbbVie
AbbVie Inc. is a global biopharmaceutical company that researches, develops, manufactures, and markets advanced therapies for complex and serious diseases. Its product portfolio includes treatments in immunology, neuroscience, and oncology, such as Skyrizi and Rinvoq for autoimmune diseases, Botox Therapeutic and Vraylar for neurological conditions, and Imbruvica and Venclexta for blood cancers. AbbVie serves patients worldwide across North America, the European Union, Japan, and other markets.
About Merck
Merck & Co., Inc. is a pharmaceutical company that develops and sells prescription medicines, vaccines, and animal health products. It serves healthcare providers, patients, and animal health customers worldwide. The company also collaborates with other firms to develop and commercialize various pharmaceutical products.
Head to head (ABBV FY2025 vs MRK FY2025)
| Metric | ABBVFY2025 | MRKFY2025 |
|---|---|---|
| Revenue | $61.16B | $65.01B |
| Revenue growth (YoY) | 8.6% | 1.3% |
| Gross margin | 70.2% | 74.8% |
| Operating margin | 24.6% | — |
| Net margin | 6.9% | 28.1% |
| Net income | $4.23B | $18.25B |
| Diluted EPS | $2.36 | $7.28 |
| FCF margin | 29.1% | 19.0% |
| ROE | — | 34.7% |
| Debt / equity | — | 0.9× |
| Market cap | $438.31B | $306.33B |
| P/E (TTM) | 122.2× | 34.9× |
Fundamentals are from each company’s SEC filings (ABBV FY2025, MRK FY2025). P/E and market cap are derived from recent market prices and update daily.
Five-year trend (as reported)
| Revenue | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| ABBV | $56.20B | $58.05B | $54.32B | $56.33B | $61.16B |
| MRK | $48.70B | $59.28B | $60.12B | $64.17B | $65.01B |
Peer standing
Where each company ranks among the 198 pharmaceutical companies, on the same scale. Each figure is ranked only against peers that report it. Percentiles describe position in the distribution, not a rating.
| Metric | ABBV | MRK |
|---|---|---|
| Gross margin | 70.2%55th percentile of 68 | 74.8%67th percentile of 68 |
| Net margin | 6.9%62nd percentile of 121 | 28.1%82nd percentile of 121 |
| FCF margin | 29.1%89th percentile of 109 | 19.0%77th percentile of 109 |
| Revenue growth (YoY) | +8.6%47th percentile of 186 | +1.3%36th percentile of 186 |
| P/E (TTM) | 122.2×93rd percentile of 61 | 34.9×77th percentile of 61 |
| Short interest (days to cover) | 1.75d15th percentile of 197 | 2.30d21st percentile of 197 |
Short interest
| FINRA settlement data | ABBV | MRK |
|---|---|---|
| Shares sold short | 21.9M | 31.4M |
| Change vs prior settlement | -6.6% | +3.7% |
| Days to cover | 1.75 | 2.30 |
| As of settlement | 2026-06-30 | 2026-06-30 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data; republishing or redistributing it is not permitted. Not presented as a percentage of float. No FINRA endorsement of this product is implied.
Held by the same investors
8 tracked 13F managers hold both AbbVie and Merck as of their latest quarterly filings: AQR Capital Management, Citadel Advisors, D. E. Shaw, Dodge & Cox, Gotham Asset Management, Harris Associates (Oakmark), Millennium Management, Two Sigma Investments. See which superinvestors hold your own portfolio with the smart money checker.
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Data sourced from SEC EDGAR (public domain). Figures are as-reported and may be unaudited or restated; verify against the source filings before relying on them. Comparisons are descriptive (higher or lower on a reported figure), not a rating or a recommendation. Informational only. Not investment advice.