A detailed history of St. Clair Advisors, LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, St. Clair Advisors, LLC holds 5,868 shares of MRK stock, worth $544,902. This represents 0.13% of its overall portfolio holdings.

Number of Shares
5,868
Previous 5,848 0.34%
Holding current value
$544,902
Previous $463 Million 6.39%
% of portfolio
0.13%
Previous 0.12%

Shares

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

Oct 03, 2025

BUY
$77.6 - $87.37 $1,552 - $1,747
20 Added 0.34%
5,868 $493 Million
Q4 2024

Feb 14, 2025

BUY
$96.31 - $114.76 $563,220 - $671,116
5,848 New
5,848 $582 Million
Q4 2023

Apr 10, 2025

SELL
$100.18 - $109.02 $20,036 - $21,804
-200 Reduced 3.58%
5,386 $587 Million
Q3 2023

Apr 10, 2025

SELL
$102.95 - $114.33 $26,972 - $29,954
-262 Reduced 4.48%
5,586 $575 Million
Q2 2023

Apr 10, 2025

BUY
$108.61 - $118.38 $150,533 - $164,074
1,386 Added 33.0%
5,586 $645 Million
Q1 2023

Apr 10, 2025

SELL
$102.94 - $114.86 $169,645 - $189,289
-1,648 Reduced 28.18%
4,200 $447 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 $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, ...
More about MRK
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