Merck & Co. MRK Market capitalization
Market capitalization at other companies
Other financials
Where this comes from
Computed from the period-end share price: $297.4B.
The official record: Merck & Co.’s 10-Q, filed May 4, 2026, on SEC EDGAR. View the filing →
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Questions, answered.
- What is Merck & Co.'s market capitalization?
- Merck & Co. (MRK) reported market capitalization of $297.4B in Q1 2026.
- How has Merck & Co.'s market capitalization changed year-over-year?
- Merck & Co.'s market capitalization increased by 31.2% year-over-year, from $226.74B to $297.4B.
- What is the long-term trend for Merck & Co.'s market capitalization?
- Over 4 years (2021 to 2025), Merck & Co.'s market capitalization has grown at a 3.8% compound annual growth rate (CAGR), from $774.48B to $899.32B.
- What does market capitalization mean?
- What the stock market says the company's equity is worth.
- How do you interpret market capitalization?
- A size and market-sentiment gauge, not a quality measure — interpret through valuation ratios (P/E, P/S) that relate it to fundamentals.
- How does market capitalization compare across companies?
- Comparable across companies as a size class; the input to every equity-price valuation multiple.