# Merck (MRK) — Overview

MRK · NYSE · Stock

Canonical page: https://www.lighthorse.io/tickers/mrk

## Price

Last close $141.84 on Oct 13, 2026. 52-week range $82.49 – $156.45.

## Company profile

Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. In cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 53% of the company's 2025 sales were generated from US human health (pharmaceuticals and vaccines).

## Financials

| Metric | Value |
| --- | --- |
| Revenue (trailing twelve months) | $66.6B |
| Revenue (quarter) | $16.6B |
| Revenue growth (year over year) | 5.07% |
| Gross profit (trailing twelve months) | $48.6B |
| Gross margin | 72.97% |
| Net income (trailing twelve months) | $3.2B |
| Net income (quarter) | −$1.3B |
| Net income growth (year over year) | -130.19% |
| Net margin | 4.76% |
| Return on equity | 6.98% |
| EPS (trailing twelve months) | $1.26 |
| Book value per share | $16.99 |
| P/E (trailing twelve months) | 110.2 |
| Price to book | 8.3 |
| Debt to assets | 67.66% |
| Payout ratio | 44.97% |
| Dividend yield | 2.40% |

## Frequently Asked Questions

### Is Merck (MRK) profitable?

Yes. Merck earned $3.2B in net income over the trailing twelve months, a net margin of 4.76%.

### How much revenue does Merck (MRK) make?

Merck generated $66.6B in revenue over the trailing twelve months, up 5.07% year over year.

### What is MRK's P/E ratio?

Merck trades at 110.2 times trailing twelve-month earnings, on an EPS of $1.26.

### How do I buy stock in Merck (MRK)?

MRK trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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Data provided by [AInvest](https://www.ainvest.com).