Merck & Co. Inc.
MRK | NYSE
$149.52
+$3.19 (+2.18%)
At close: Oct 30, 2026, 4:02 PM ET
$149.45
-$0.07 (-0.05%)
Pre-market:
Nov 2, 2026, 7:44 AM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Oct 30, 2026 | $370.51B | $104.09B | +39.07% |
| Dec 26, 2025 | $266.42B | $13.08B | +5.16% |
| Dec 27, 2024 | $253.34B | -$23.25B | -8.40% |
| Dec 29, 2023 | $276.58B | -$4.45B | -1.58% |
| Dec 30, 2022 | $281.04B | $87.37B | +45.11% |
| Dec 31, 2021 | $193.67B | -$3.69B | -1.87% |
| Dec 31, 2020 | $197.36B | -$25.21B | -11.33% |
| Dec 27, 2019 | $222.57B | $31.48B | +16.48% |
| Dec 28, 2018 | $191.08B | $44.78B | +30.61% |
| Dec 29, 2017 | $146.3B | -$8.71B | -5.62% |
| Dec 30, 2016 | $155.01B | $14.93B | +10.66% |
| Dec 31, 2015 | $140.09B | -$17.52B | -11.12% |
| Dec 26, 2014 | $157.6B | $18.63B | +13.41% |
| Dec 27, 2013 | $138.97B | $21B | +17.80% |
| Dec 28, 2012 | $117.97B | $7.6B | +6.89% |
| Dec 30, 2011 | $110.37B | $4.51B | +4.26% |
| Dec 31, 2010 | $105.86B | $32.38B | +44.06% |
| Dec 31, 2009 | $73.48B | $14.63B | +24.86% |
| Dec 26, 2008 | $58.85B | -$63.14B | -51.76% |
| Dec 28, 2007 | $122B | $31.57B | +34.92% |
| Dec 29, 2006 | $90.42B | n/a | n/a |
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