A detailed history of Calamos Advisors LLC transactions in Merck & Co., Inc. stock. As of the latest transaction made, Calamos Advisors LLC holds 953,704 shares of MRK stock, worth $92.9 Million. This represents 0.67% of its overall portfolio holdings.

Number of Shares
953,704
Previous 934,413 2.06%
Holding current value
$92.9 Million
Previous $116 Million 6.38%
% of portfolio
0.67%
Previous 0.74%

Shares

30 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 07, 2024

BUY
$111.15 - $128.97 $2.14 Million - $2.49 Million
19,291 Added 2.06%
953,704 $108 Million
Q2 2024

Jul 25, 2024

SELL
$123.8 - $132.96 $7.8 Million - $8.38 Million
-63,036 Reduced 6.32%
934,413 $116 Million
Q1 2024

May 08, 2024

BUY
$113.24 - $131.95 $6.36 Million - $7.41 Million
56,176 Added 5.97%
997,449 $132 Million
Q4 2023

Jan 31, 2024

SELL
$100.18 - $109.02 $2.94 Million - $3.2 Million
-29,334 Reduced 3.02%
941,273 $103 Million
Q3 2023

Oct 25, 2023

BUY
$102.95 - $114.33 $19.4 Million - $21.5 Million
188,466 Added 24.1%
970,607 $99.9 Million
Q2 2023

Jul 28, 2023

BUY
$108.61 - $118.38 $7.48 Million - $8.16 Million
68,896 Added 9.66%
782,141 $90.3 Million
Q1 2023

May 03, 2023

SELL
$102.94 - $114.86 $6.24 Million - $6.96 Million
-60,622 Reduced 7.83%
713,245 $75.9 Million
Q4 2022

Jan 25, 2023

SELL
$87.44 - $112.11 $3.3 Million - $4.23 Million
-37,721 Reduced 4.65%
773,867 $0
Q3 2022

Oct 24, 2022

BUY
$84.53 - $94.96 $13.7 Million - $15.4 Million
162,388 Added 25.01%
811,588 $69.9 Million
Q2 2022

Aug 01, 2022

BUY
$83.49 - $94.64 $1.5 Million - $1.7 Million
17,920 Added 2.84%
649,200 $59.2 Million
Q1 2022

May 03, 2022

SELL
$73.51 - $82.4 $12.3 Million - $13.8 Million
-167,898 Reduced 21.01%
631,280 $51.8 Million
Q4 2021

Feb 01, 2022

SELL
$72.28 - $90.54 $765,445 - $958,818
-10,590 Reduced 1.31%
799,178 $61.2 Million
Q3 2021

Oct 26, 2021

BUY
$71.68 - $78.83 $3.61 Million - $3.97 Million
50,329 Added 6.63%
809,768 $60.8 Million
Q2 2021

Jul 22, 2021

BUY
$70.31 - $77.77 $8.1 Million - $8.96 Million
115,257 Added 17.89%
759,439 $59.1 Million
Q1 2021

Apr 12, 2021

BUY
$68.86 - $81.11 $829,625 - $977,213
12,048 Added 1.91%
644,182 $49.7 Million
Q4 2020

Jan 27, 2021

SELL
$71.77 - $79.65 $1.22 Million - $1.36 Million
-17,014 Reduced 2.62%
632,134 $51.7 Million
Q3 2020

Oct 26, 2020

SELL
$73.18 - $82.95 $2.66 Million - $3.01 Million
-36,281 Reduced 5.29%
649,148 $53.8 Million
Q2 2020

Jul 27, 2020

SELL
$70.42 - $80.13 $6.71 Million - $7.64 Million
-95,318 Reduced 12.21%
685,429 $53 Million
Q1 2020

Apr 28, 2020

SELL
$63.36 - $87.82 $24.3 Million - $33.6 Million
-383,098 Reduced 32.92%
780,747 $60.1 Million
Q4 2019

Jan 15, 2020

SELL
$77.58 - $87.54 $641,353 - $723,693
-8,267 Reduced 0.71%
1,163,845 $106 Million
Q3 2019

Oct 21, 2019

BUY
$76.08 - $82.93 $3.26 Million - $3.55 Million
42,846 Added 3.79%
1,172,112 $98.7 Million
Q2 2019

Aug 07, 2019

BUY
$69.84 - $81.59 $7.86 Million - $9.18 Million
112,547 Added 11.07%
1,129,266 $94.7 Million
Q1 2019

Apr 12, 2019

BUY
$69.58 - $79.36 $6.65 Million - $7.58 Million
95,568 Added 10.37%
1,016,719 $84.6 Million
Q4 2018

Jan 24, 2019

BUY
$65.24 - $75.71 $4.16 Million - $4.82 Million
63,712 Added 7.43%
921,151 $70.4 Million
Q3 2018

Oct 22, 2018

SELL
$57.69 - $67.84 $545,401 - $641,359
-9,454 Reduced 1.09%
857,439 $60.8 Million
Q2 2018

Jul 17, 2018

SELL
$50.83 - $59.72 $1.26 Million - $1.48 Million
-24,749 Reduced 2.78%
866,893 $52.6 Million
Q1 2018

Apr 13, 2018

SELL
$50.96 - $59.23 $3.12 Million - $3.63 Million
-61,279 Reduced 6.43%
891,642 $48.6 Million
Q4 2017

Feb 13, 2018

SELL
$51.62 - $61.64 $10.3 Million - $12.3 Million
-198,877 Reduced 17.27%
952,921 $53.6 Million
Q3 2017

Oct 25, 2017

SELL
$58.67 - $63.13 $6.3 Million - $6.78 Million
-107,402 Reduced 8.53%
1,151,798 $73.8 Million
Q2 2017

Aug 09, 2017

BUY
N/A
1,259,200
1,259,200 $80.7 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 $247B
  • 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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