Merck & Co., Inc. (MRK)
Health Care ยท Pharmaceutical Preparations
Merck & Co., Inc. (MRK) is listed on the New York Stock Exchange, where its shares have traded since April 20, 1949. SentiSense covers Merck & Co., Inc. in the Health Care sector, and its Standard Industrial Classification is Pharmaceutical Preparations. Robert M. Davis is its chief executive officer. The company reports 75,000 employees, and its corporate website is www.merck.com.
About Merck & Co., Inc.
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).
Latest reported results
Merck & Co., Inc. reported revenue of $16.61 billion for Q2 FY2026, up 5.1% from the same period a year earlier.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 3,762 institutions reported holding MRK, with 2.0 billion shares worth $251.3 billion in aggregate. The largest reported holders were Vanguard, BlackRock and State Street. Of the 5 largest reported holders, all 5 added shares during the quarter.
More on MRK
- MRK sentiment: whether news and social coverage of Merck & Co., Inc. leans bullish or bearish, and the stories driving it.
- MRK ownership: all 3,762 reporting institutions, plus insider and congressional trades.
- MRK financials: revenue, net income, operating margin and free cash flow through Q2 FY2026.
SentiSense also tracks daily options readings for Merck & Co., Inc.: IV rank, put/call percentile, 25-delta skew and open-interest walls.
Frequently asked questions
What does Merck & Co., Inc. do?
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections.
What sector is MRK in?
SentiSense classifies Merck & Co., Inc. in the Health Care sector, and its Standard Industrial Classification is Pharmaceutical Preparations.
Where does MRK stock trade?
Merck & Co., Inc. (MRK) is listed on the New York Stock Exchange, where its shares have traded since April 20, 1949.
Who is the CEO of Merck & Co., Inc.?
Robert M. Davis is the chief executive officer of Merck & Co., Inc..