A detailed history of Louisbourg Investments Inc. transactions in Merck & Co., Inc. stock. As of the latest transaction made, Louisbourg Investments Inc. holds 1,034 shares of MRK stock, worth $86,773. This represents 0.02% of its overall portfolio holdings.

Number of Shares
1,034
Previous 357 189.64%
Holding current value
$86,773
Previous $28.3 Million 207.09%
% of portfolio
0.02%
Previous 0.01%

Shares

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

Oct 09, 2025

BUY
$77.6 - $87.37 $52,535 - $59,149
677 Added 189.64%
1,034 $86.8 Million
Q2 2025

Jul 24, 2025

SELL
$73.47 - $87.12 $3,306 - $3,920
-45 Reduced 11.19%
357 $28.3 Million
Q4 2024

Jan 29, 2025

BUY
$96.31 - $114.76 $38,716 - $46,133
402 New
402 $40 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
Track This Portfolio

Track Louisbourg Investments Inc. Portfolio

Follow Louisbourg Investments Inc. and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Louisbourg Investments Inc., based on Form 13F filings with the SEC.

News

Stay updated on Louisbourg Investments Inc. with notifications on news.