Wright Investors Service Inc Merck & Co., Inc. Transaction History
Wright Investors Service Inc
- $331 Million
- Q3 2025
A detailed history of Wright Investors Service Inc transactions in Merck & Co., Inc. stock. As of the latest transaction made, Wright Investors Service Inc holds 3,771 shares of MRK stock, worth $350,175. This represents 0.1% of its overall portfolio holdings.
Number of Shares
3,771
Previous 14,237
73.51%
Holding current value
$350,175
Previous $1.13 Million
71.96%
% of portfolio
0.1%
Previous 0.35%
Shares
21 transactions
Others Institutions Holding MRK
# of Institutions
3,878Shares Held
1.9BCall Options Held
30.1MPut Options Held
27.7M-
Vanguard Group Inc Valley Forge, PA252MShares$23.4 Billion0.33% of portfolio
-
Black Rock Inc. New York, NY207MShares$19.2 Billion0.59% of portfolio
-
State Street Corp Boston, MA118MShares$11 Billion0.35% of portfolio
-
Wellington Management Group LLP Boston, MA75.3MShares$6.99 Billion1.16% of portfolio
-
Geode Capital Management, LLC Boston, MA59.8MShares$5.55 Billion0.33% of portfolio
About Merck & Co., Inc.
- Ticker MRK
- Exchange NYSE
- Sector Healthcare
- Industry Drug Manufacturers—General
- Shares Outstandng 2,533,280,000
- Market Cap $235B
- Description
- Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, ...