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Company · Healthcare · Pharmaceuticals

Merck & Co. (MRK)

US pharmaceutical major (known as MSD outside North America) whose cancer immunotherapy Keytruda is among the world's best-selling drugs; also strong in vaccines and animal health.

Legal name
Merck & Co., Inc.
Ticker
MRK
Exchange
New York Stock Exchange · MIC XNYS
Country
United States
Sector
Healthcare
Industry
Pharmaceuticals
Market cap ≈
$250bn (approx., seed-0.4 · 2026-08-28)
Reporting currency
USD
Founded
1891
Website
www.merck.com
LEI
4YV9Y5M8S0BRK1RP0397 (GLEIF)
ISIN
US58933Y1055 (check digit validated)
FIGI
BBG001S5TC52 (share class, OpenFIGI)

Graph connections view in graph →

lists_onNew York Stock Exchange
domiciled_inUnited States member_ofS&P 500

Sector peers — Healthcare

Approximate reference values from public sources · seed-0.4 · 2026-08-28 · not real-time. See data & methodology.

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