A detailed history of Optimist Retirement Group LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Optimist Retirement Group LLC holds 28,637 shares of MRK stock, worth $2.66 Million. This represents 1.11% of its overall portfolio holdings.

Number of Shares
28,637
Holding current value
$2.66 Million
% of portfolio
1.11%

Shares

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

Nov 17, 2025

BUY
$77.6 - $87.37 $2.22 Million - $2.5 Million
28,637 New
28,637 $2.4 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
Track This Portfolio

Track Optimist Retirement Group LLC Portfolio

Follow Optimist Retirement Group LLC 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 Optimist Retirement Group LLC, based on Form 13F filings with the SEC.

News

Stay updated on Optimist Retirement Group LLC with notifications on news.