Current
$322B
5-Year Average
$255B
All-Time High
$338B
All-Time Low
$42.6B
Market cap daily chart for Merck & Co. (MRK)
Aug 2, 2021 – Jul 29, 2026 · 1,253 trading days
Market Cap growth chart for Merck & Co. (MRK) from 2017 to 2026
Latest: +22.1%
Market Cap history table for Merck & Co. (MRK) from 1985 to 2026
| 2026 | $322B | +22.1% | +$58.4B | ||
| 2025 | $264B | +4.4% | +$11.1B | ||
| 2024 | $253B | -9.0% | -$24.9B | ||
| 2023 | $278B | -1.5% | -$4.36B | ||
| 2022 | $282B | +45.0% | +$87.5B | ||
| 2021 | $195B | -1.9% | -$3.69B | ||
| 2020 | $198B | -11.4% | -$25.5B | ||
| 2019 | $224B | +14.6% | +$28.5B | ||
| 2018 | $195B | +32.4% | +$47.8B | ||
| 2017 | $147B | -5.8% | -$9B | ||
| 2016 | $156B | +9.3% | +$13.3B | ||
| 2015 | $143B | -9.7% | -$15.5B | ||
| 2014 | $159B | +10.9% | +$15.6B | ||
| 2013 | $143B | +19.1% | +$22.9B | ||
| 2012 | $120B | +8.0% | +$8.86B | ||
| 2011 | $111B | +3.7% | +$3.99B | ||
| 2010 | $107B | +35.4% | +$28B | ||
| 2009 | $79.2B | +27.5% | +$17.1B | ||
| 2008 | $62.1B | -48.9% | -$59.4B | ||
| 2007 | $122B | +33.6% | +$30.6B | ||
| 2006 | $90.9B | +36.3% | +$24.2B | ||
| 2005 | $66.7B | -2.2% | -$1.5B | ||
| 2004 | $68.2B | -31.2% | -$31B | ||
| 2003 | $99.2B | -19.3% | -$23.7B | ||
| 2002 | $123B | -5.6% | -$7.3B | ||
| 2001 | $130B | -38.0% | -$79.9B | ||
| 2000 | $210B | +36.4% | +$56B | ||
| 1999 | $154B | -10.5% | -$18.1B | ||
| 1998 | $172B | +38.0% | +$47.4B | ||
| 1997 | $125B | +32.0% | +$30.3B | ||
| 1996 | $94.4B | +18.9% | +$15B | ||
| 1995 | $79.4B | +71.2% | +$33B | ||
| 1994 | $46.4B | +21.5% | +$8.2B | ||
| 1993 | $38.2B | -2.3% | -$880M | ||
| 1992 | $39.1B | -36.7% | -$22.6B | ||
| 1991 | $61.7B | +84.5% | +$28.2B | ||
| 1990 | $33.4B | +14.4% | +$4.2B | ||
| 1989 | $29.2B | +34.6% | +$7.52B | ||
| 1988 | $21.7B | +5.6% | +$1.14B | ||
| 1987 | $20.6B | +25.3% | +$4.16B | ||
| 1986 | $16.4B | +75.9% | +$7.08B | ||
| 1985 | $9.33B | — | — |
- 2026$322B+22.1%
- 2025$264B+4.4%
- 2024$253B-9.0%
- 2023$278B-1.5%
- 2022$282B+45.0%
- 2021$195B-1.9%
- 2020$198B-11.4%
- 2019$224B+14.6%
- 2018$195B+32.4%
- 2017$147B-5.8%
- 2016$156B+9.3%
- 2015$143B-9.7%
- 2014$159B+10.9%
- 2013$143B+19.1%
- 2012$120B+8.0%
- 2011$111B+3.7%
- 2010$107B+35.4%
- 2009$79.2B+27.5%
- 2008$62.1B-48.9%
- 2007$122B+33.6%
- 2006$90.9B+36.3%
- 2005$66.7B-2.2%
- 2004$68.2B-31.2%
- 2003$99.2B-19.3%
- 2002$123B-5.6%
- 2001$130B-38.0%
- 2000$210B+36.4%
- 1999$154B-10.5%
- 1998$172B+38.0%
- 1997$125B+32.0%
- 1996$94.4B+18.9%
- 1995$79.4B+71.2%
- 1994$46.4B+21.5%
- 1993$38.2B-2.3%
- 1992$39.1B-36.7%
- 1991$61.7B+84.5%
- 1990$33.4B+14.4%
- 1989$29.2B+34.6%
- 1988$21.7B+5.6%
- 1987$20.6B+25.3%
- 1986$16.4B+75.9%
- 1985$9.33B—
Market Cap values are taken from Merck & Co.'s reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at Merck & Co. (MRK)
According to Merck & Co.'s latest reported financial statements, the company's latest reported market cap is $297B. 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 .
Merck & Co. (MRK) most recent annual market cap stands at $322B (2026) – grew 22.1% year-over-year.
Across 2021–2026 (5 years), Merck & Co. market cap produced a CAGR of +10.6% – sustaining 2 straight years of year-over-year growth.
2026 marks the peak market cap at $322B, with the historical low of $9.33B recorded in 1985.
Merck & Co. Market Cap by Year
Merck & Co. Market Cap 2026: $322B
In 2026, Merck & Co. reported market cap of $322B, grew 22.1% from 2025. This figure represents the highest annual value in the available history.
Merck & Co. Market Cap 2025: $264B
Merck & Co. market cap in 2025 was $264B, edged up 4.4% from 2024.
Merck & Co. Market Cap 2024: $253B
2024's market cap for Merck & Co. came in at $253B, declined 9.0% below 2023.
Merck & Co. Market Cap 2023: $278B
Merck & Co. posted market cap of $278B in 2023, edged down 1.5% below 2022.
Merck & Co. Market Cap 2022: $282B
Merck & Co. market cap in 2022 was $282B.
See more financial history for Merck & Co. (MRK).
Sector peers by Market Cap
Healthcare peers of Merck & Co. (MRK), ranked by their latest market cap
| $1.14T | |
| $640B | |
| $466B | |
| $382B | |
| $229B | |
| $214B | |
| $209B | |
| $188B |
- $1.14T
- $466B
- $229B
- $209B
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Merck & Co. (MRK) Key Financials
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- Stock Split History7 splits
How this company returns cash to shareholders — buybacks, dividends, and stock splits.