A detailed history of Thomas Story & Son LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Thomas Story & Son LLC holds 76,733 shares of MRK stock, worth $6.44 Million. This represents 2.38% of its overall portfolio holdings.

Number of Shares
76,733
Previous 54,560 40.64%
Holding current value
$6.44 Million
Previous $4.32 Million 49.14%
% of portfolio
2.38%
Previous 1.68%

Shares

2 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 10, 2025

BUY
$77.6 - $87.37 $1.72 Million - $1.94 Million
22,173 Added 40.64%
76,733 $6.44 Million
Q2 2025

Aug 08, 2025

BUY
$73.47 - $87.12 $4.01 Million - $4.75 Million
54,560 New
54,560 $4.32 Million

Others Institutions Holding MRK

About Merck & Co., Inc.


  • Ticker MRK
  • Exchange NYSE
  • Sector Healthcare
  • Industry Drug Manufacturers—General
  • Shares Outstandng 2,533,280,000
  • Market Cap $213B
  • 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, ...
More about MRK
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