Costello Asset Management, Inc Merck & Co., Inc. Transaction History
Costello Asset Management, Inc
- $260 Million
- Q2 2025
A detailed history of Costello Asset Management, Inc transactions in Merck & Co., Inc. stock. As of the latest transaction made, Costello Asset Management, Inc holds 44,147 shares of MRK stock, worth $3.55 Million. This represents 1.35% of its overall portfolio holdings.
Number of Shares
44,147
Previous 46,362
4.78%
Holding current value
$3.55 Million
Previous $4.16 Million
16.03%
% of portfolio
1.35%
Previous 1.71%
Shares
25 transactions
Others Institutions Holding MRK
# of Institutions
3,863Shares Held
1.93BCall Options Held
25.7MPut Options Held
24.2M-
Vanguard Group Inc Valley Forge, PA253MShares$20.3 Billion0.42% of portfolio
-
Black Rock Inc. New York, NY207MShares$16.7 Billion0.59% of portfolio
-
State Street Corp Boston, MA121MShares$9.69 Billion0.46% of portfolio
-
Wellington Management Group LLP Boston, MA81.7MShares$6.56 Billion1.46% of portfolio
-
Geode Capital Management, LLC Boston, MA59.7MShares$4.79 Billion0.43% of portfolio
About Merck & Co., Inc.
- Ticker MRK
- Exchange NYSE
- Sector Healthcare
- Industry Drug Manufacturers—General
- Shares Outstandng 2,533,280,000
- Market Cap $204B
- 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, ...