Market Cap Chart

View Market Cap for MRK.
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270.00
255.00
240.00
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Historical Market Cap Data

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Date Value
September 04, 2026 371.11B
September 03, 2026 376.07B
September 02, 2026 374.35B
September 01, 2026 369.95B
August 31, 2026 364.77B
August 28, 2026 366.22B
August 27, 2026 369.16B
August 26, 2026 377.95B
August 25, 2026 386.22B
August 24, 2026 371.93B
August 21, 2026 376.59B
August 20, 2026 367.80B
August 19, 2026 375.73B
August 18, 2026 333.69B
August 17, 2026 335.66B
August 14, 2026 335.34B
August 13, 2026 334.62B
August 12, 2026 328.13B
August 11, 2026 321.96B
August 10, 2026 323.19B
August 07, 2026 317.42B
August 06, 2026 316.90B
August 05, 2026 316.80B
August 04, 2026 316.12B
August 03, 2026 315.55B
Date Value
July 31, 2026 321.55B
July 30, 2026 320.54B
July 29, 2026 321.95B
July 28, 2026 325.55B
July 27, 2026 322.94B
July 24, 2026 323.70B
July 23, 2026 322.25B
July 22, 2026 314.81B
July 21, 2026 311.82B
July 20, 2026 307.23B
July 17, 2026 314.89B
July 16, 2026 315.21B
July 15, 2026 305.28B
July 14, 2026 298.29B
July 13, 2026 306.32B
July 10, 2026 305.11B
July 09, 2026 308.88B
July 08, 2026 311.16B
July 07, 2026 318.24B
July 06, 2026 313.11B
July 02, 2026 319.97B
July 01, 2026 309.63B
June 30, 2026 317.36B
June 29, 2026 319.53B
June 26, 2026 317.75B

Market Capitalization Definition

Market Capitalization measures the total value of a company based on their stock price multiplied by the shares outstanding. This metric is important because it gives you an idea of the size of a company, and how the size has changed over time. When studying companies from a relative basis, it would make sense to compare companies that have a similar market capitalization because factors like market share, economies of scale, and business models would also be similar.

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Market Cap Range, Past 5 Years

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Median

Market Cap Benchmarks

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Johnson & Johnson 662.82B
Eli Lilly & Co. 1.082T
Pfizer Inc. 162.14B
Bristol Myers Squibb Co. 136.51B
Abbott Laboratories 187.45B

Market Cap Related Metrics