Market Cap for Merck & Co. (MRK)
According to Merck & Co.'s latest reported financial statements, the company's latest reported market cap is $261.89B USD. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
MRK
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Latest period
$261.89B
YoY change
+5.4%
5Y CAGR
+7.4%
Peak year (2022)
$282.03B
Latest annual
$278.15B
Market Cap history chart for Merck & Co. (MRK) from 1985 to 2026
Market Cap history table for Merck & Co. (MRK) from 1985 to 2026
| Fiscal year | Period ended | Reported | Market Cap | YoY |
|---|---|---|---|---|
| 2026 | $278.15B | +5.4% | ||
| 2025 | $263.89B | +4.4% | ||
| 2024 | $252.78B | -9.0% | ||
| 2023 | $277.67B | -1.5% | ||
| 2022 | $282.03B | +45.0% | ||
| 2021 | $194.51B | -1.9% | ||
| 2020 | $198.20B | -11.4% | ||
| 2019 | $223.74B | +14.6% | ||
| 2018 | $195.19B | +32.4% | ||
| 2017 | $147.43B | -5.8% | ||
| 2016 | $156.43B | +9.3% | ||
| 2015 | $143.10B | -9.7% | ||
| 2014 | $158.55B | +10.9% | ||
| 2013 | $142.97B | +19.1% | ||
| 2012 | $120.09B | +8.0% | ||
| 2011 | $111.23B | +3.7% | ||
| 2010 | $107.23B | +35.4% | ||
| 2009 | $79.20B | +27.5% | ||
| 2008 | $62.13B | -48.9% | ||
| 2007 | $121.51B | +33.6% | ||
| 2006 | $90.94B | +36.3% | ||
| 2005 | $66.74B | -2.2% | ||
| 2004 | $68.24B | -31.2% | ||
| 2003 | $99.25B | -19.3% | ||
| 2002 | $122.91B | -5.6% | ||
| 2001 | $130.21B | -38.0% | ||
| 2000 | $210.07B | +36.4% | ||
| 1999 | $154.04B | -10.5% | ||
| 1998 | $172.09B | +38.0% | ||
| 1997 | $124.70B | +32.0% | ||
| 1996 | $94.44B | +18.9% | ||
| 1995 | $79.45B | +71.2% | ||
| 1994 | $46.40B | +21.5% | ||
| 1993 | $38.20B | -2.3% | ||
| 1992 | $39.08B | -36.7% | ||
| 1991 | $61.69B | +84.5% | ||
| 1990 | $33.44B | +14.4% | ||
| 1989 | $29.24B | +34.6% | ||
| 1988 | $21.72B | +5.6% | ||
| 1987 | $20.58B | +25.3% | ||
| 1986 | $16.42B | +75.9% | ||
| 1985 | $9.33B | — |
Market Cap values are taken from Merck & Co.'s reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
Merck & Co. (MRK) most recent annual market cap stands at $278.15B (2026) – grew 5.4% year-over-year.
Across 2021–2026 (5 years), Merck & Co. market cap produced a CAGR of +7.4% – sustaining 2 straight years of year-over-year growth.
Between 2022 and 2026, Merck & Co. market cap edged down 1.4%, falling from $282.03B to $278.15B.
2022 marks the peak market cap at $282.03B, with the historical low of $9.33B recorded in 1985.
Among 8 Healthcare peers, Merck & Co. (MRK) ranks 6th; the peer median for market cap is $311.16B.
Merck & Co. Market Cap by Year
Merck & Co. Market Cap 2026: $278.15B
Merck & Co. market cap in 2026 was $278.15B, grew 5.4% from 2025.
Merck & Co. Market Cap 2025: $263.89B
Merck & Co. market cap in 2025 was $263.89B, edged up 4.4% from 2024.
Merck & Co. Market Cap 2024: $252.78B
Merck & Co. market cap in 2024 was $252.78B, declined 9.0% below 2023.
Merck & Co. Market Cap 2023: $277.67B
Merck & Co. market cap in 2023 was $277.67B, edged down 1.5% below 2022.
Merck & Co. Market Cap 2022: $282.03B
Merck & Co. market cap in 2022 was $282.03B.
See more financial history for Merck & Co. (MRK).
Sector peers — Market Cap
Companies in the same sector as Merck & Co., ranked by their latest market cap.
| Company | Market Cap | Sector |
|---|---|---|
| Eli Lilly and Company (LLY) | $825.77B | Healthcare |
| Johnson & Johnson (JNJ) | $548.34B | Healthcare |
| AbbVie Inc. (ABBV) | $349.67B | Healthcare |
| UnitedHealth Group Incorporated (UNH) | $332.91B | Healthcare |
| AstraZeneca PLC (AZN) | $289.41B | Healthcare |
| Amgen Inc. (AMGN) | $183.05B | Healthcare |
| Novo Nordisk A/S (NVO) | $182.96B | Healthcare |
| Thermo Fisher Scientific Inc. (TMO) | $174.74B | Healthcare |
Frequently asked questions
What is Merck & Co.'s market cap?
- Latest reported market cap for Merck & Co. (MRK) is $261.89B (period ending December 31, 2025).
How has Merck & Co. market cap changed year-over-year?
- Merck & Co. (MRK) market cap changed +5.4% year-over-year on the latest annual filing.
What is the long-term growth rate of Merck & Co. market cap?
- Merck & Co. (MRK) market cap compound annual growth rate is +7.4% over the most recent 5 years available.
When did Merck & Co. market cap hit its highest annual value?
- Merck & Co. market cap reached its highest annual value of $282.03B in 2022.
What was Merck & Co. market cap in 2025?
- Merck & Co. (MRK) market cap in 2025 was $263.89B.
What was Merck & Co. market cap in 2026?
- Merck & Co. (MRK) market cap in 2026 was $278.15B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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MRK Overview
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