Merck

MRK · NYSE

$148.30+$4.67 (+3.25%)TodayMarket closed · Oct 20, 7:59 PM ET

Prev close $143.63

About MRK

Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. The company is headquartered in Rahway, New Jersey and currently employs 75,000 full-time employees. Its Pharmaceutical segment includes human health pharmaceutical and vaccine products. The firm sells its human health pharmaceutical products primarily to drug wholesalers and retailers, hospitals, government agencies and managed health care providers. The company sells these human health vaccines primarily to physicians, wholesalers, distributors and government entities. Its Animal Health segment discovers, develops, manufactures and markets a range of veterinary pharmaceutical and vaccine products, as well as health management solutions and services, for the prevention, treatment and control of disease in all livestock and companion animal species. Its products include KEYTRUDA (pembrolizumab) injection, for intravenous use; WELIREG (belzutifan) tablets, for oral use; Ohtuvayre (ensifentrine) and others.

Employees: 75,000
Headquarters: Rahway, New Jersey
Listed: Jan 1, 1941
Sector: Health Care
Industry: Pharmaceuticals
Website: merck.com

Leadership

Merck executives
Name	Title	Since	Age
Robert Davis	—	2014	58
Caroline Litchfield	—	—	56
Betty Larson	—	—	49
David Williams	—	—	56
Jennifer Zachary	—	—	47
Sanat Chattopadhyay	—	—	65
Richard Deluca	—	—	62
Cristal Downing	—	—	56
Brian Foard	—	—	52
Chirfi Guindo	—	—	59
Dean Li	—	2021	63
Johannes Oosthuizen	—	—	57
Dalton Smart	—	—	58
Joseph Romanelli	—	—	51
David Weinreich	—	—	—
Thomas Glocer	—	—	65
Douglas Baker	—	—	66
Mary Coe	—	—	58
Pamela Craig	—	—	68
Surendralal Karsanbhai	—	—	56
Risa Lavizzo-Mourey	—	—	70
Stephen Mayo	—	—	63
Paul Rothman	—	—	67
Patricia Russo	—	—	73
Christine Seidman	—	—	72
Inge Thulin	—	—	71
Kathy Warden	—	—	53

Revenue by product and region

Fiscal year ended Dec 31, 2025: $65.01B total revenue

By region

United States$36.51B56.2%
Int’l$28.50B43.8%

Suppliers and customers

Price correlation is over one year: 1 means the stocks move together, -1 opposite

Merck suppliers and customers
Company	Relationship	Country	Correlation
AstraZeneca AZN.L	Supplier and customer	GB	0.77
AstraZeneca PLC AZNCF	Supplier	—	0.68
Faes Farma, S.A. FAE.MC	Customer	ES	0.68
Keyrus S.A. ALKEY.PA	Supplier	FR	0.63
Sanofi SAN.PA	Supplier and customer	FR	0.63
Zinc Media Group ZIN.L	Supplier	GB	0.60
Bayer BAYN.DE	Supplier and customer	DE	0.59
Klarsen ALACT.PA	Supplier	FR	0.58
Sun Pharmaceutical Inds	Supplier and customer	IN	0.57
Astellas Pharma	Supplier and customer	JP	0.55

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