Calamos Advisors
MRK icon

Calamos Advisors’s Merck MRK Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$40.4M Sell
510,213
-158,002
-24% -$12.5M 0.16% 138
2025
Q1
$60M Sell
668,215
-184,632
-22% -$16.6M 0.26% 78
2024
Q4
$84.8M Sell
852,847
-100,857
-11% -$10M 0.35% 47
2024
Q3
$108M Buy
953,704
+19,291
+2% +$2.19M 0.47% 27
2024
Q2
$116M Sell
934,413
-63,036
-6% -$7.8M 0.51% 22
2024
Q1
$132M Buy
997,449
+56,176
+6% +$7.41M 0.62% 17
2023
Q4
$103M Sell
941,273
-29,334
-3% -$3.2M 0.5% 25
2023
Q3
$99.9M Buy
970,607
+188,466
+24% +$19.4M 0.52% 27
2023
Q2
$90.3M Buy
782,141
+68,896
+10% +$7.95M 0.45% 33
2023
Q1
$75.9M Sell
713,245
-60,622
-8% -$6.45M 0.37% 51
2022
Q4
$85.9M Sell
773,867
-37,721
-5% -$4.19M 0.4% 45
2022
Q3
$69.9M Buy
811,588
+162,388
+25% +$14M 0.32% 58
2022
Q2
$59.2M Buy
649,200
+17,920
+3% +$1.63M 0.26% 86
2022
Q1
$51.8M Sell
631,280
-167,898
-21% -$13.8M 0.19% 120
2021
Q4
$61.2M Sell
799,178
-10,590
-1% -$812K 0.23% 96
2021
Q3
$60.8M Buy
809,768
+50,329
+7% +$3.78M 0.27% 87
2021
Q2
$59.1M Buy
759,439
+115,257
+18% +$8.96M 0.27% 77
2021
Q1
$49.7M Buy
644,182
+12,048
+2% +$929K 0.27% 79
2020
Q4
$51.7M Sell
632,134
-17,014
-3% -$1.39M 0.3% 75
2020
Q3
$53.8M Sell
649,148
-36,281
-5% -$3.01M 0.35% 58
2020
Q2
$53M Sell
685,429
-95,318
-12% -$7.37M 0.37% 57
2020
Q1
$60.1M Sell
780,747
-383,098
-33% -$29.5M 0.47% 41
2019
Q4
$106M Sell
1,163,845
-8,267
-0.7% -$752K 0.52% 32
2019
Q3
$98.7M Buy
1,172,112
+42,846
+4% +$3.61M 0.54% 32
2019
Q2
$94.7M Buy
1,129,266
+112,547
+11% +$9.44M 0.53% 32
2019
Q1
$84.6M Buy
1,016,719
+95,568
+10% +$7.95M 0.53% 38
2018
Q4
$70.4M Buy
921,151
+63,712
+7% +$4.87M 0.46% 49
2018
Q3
$60.8M Sell
857,439
-9,454
-1% -$671K 0.33% 70
2018
Q2
$52.6M Sell
866,893
-24,749
-3% -$1.5M 0.32% 81
2018
Q1
$48.6M Sell
891,642
-61,279
-6% -$3.34M 0.32% 84
2017
Q4
$53.6M Sell
952,921
-198,877
-17% -$11.2M 0.27% 64
2017
Q3
$73.8M Sell
1,151,798
-107,402
-9% -$6.88M 0.57% 32
2017
Q2
$80.7M Buy
1,259,200
+1,375
+0.1% +$88.1K 0.6% 31
2017
Q1
$79.9M Sell
1,257,825
-12,778
-1% -$812K 0.63% 31
2016
Q4
$74.8M Sell
1,270,603
-13,662
-1% -$804K 0.59% 39
2016
Q3
$80.2M Sell
1,284,265
-10,787
-0.8% -$673K 0.57% 37
2016
Q2
$74.6M Sell
1,295,052
-350,687
-21% -$20.2M 0.52% 45
2016
Q1
$87.1M Buy
1,645,739
+24,206
+1% +$1.28M 0.58% 34
2015
Q4
$85.6M Sell
1,621,533
-79,957
-5% -$4.22M 0.54% 40
2015
Q3
$84M Buy
1,701,490
+35,327
+2% +$1.74M 0.58% 38
2015
Q2
$94.9M Buy
1,666,163
+568,088
+52% +$32.3M 0.59% 36
2015
Q1
$63.1M Sell
1,098,075
-19,285
-2% -$1.11M 0.4% 73
2014
Q4
$63.5M Sell
1,117,360
-7,633
-0.7% -$433K 0.42% 67
2014
Q3
$66.7M Sell
1,124,993
-416
-0% -$24.7K 0.45% 61
2014
Q2
$65.1M Buy
1,125,409
+25,457
+2% +$1.47M 0.41% 66
2014
Q1
$62.4M Sell
1,099,952
-2,493
-0.2% -$142K 0.4% 68
2013
Q4
$55.2M Sell
1,102,445
-768,616
-41% -$38.5M 0.35% 75
2013
Q3
$89.1M Sell
1,871,061
-79,825
-4% -$3.8M 0.56% 46
2013
Q2
$90.6M Buy
+1,950,886
New +$90.6M 0.59% 42