Robeco Institutional Asset Management
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Robeco Institutional Asset Management’s Merck MRK Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$250M Buy
3,163,417
+556,891
+21% +$44.1M 0.4% 51
2025
Q1
$234M Sell
2,606,526
-50,885
-2% -$4.57M 0.45% 49
2024
Q4
$264M Sell
2,657,411
-546,267
-17% -$54.3M 0.5% 39
2024
Q3
$364M Sell
3,203,678
-103,129
-3% -$11.7M 0.72% 22
2024
Q2
$409M Buy
3,306,807
+378,024
+13% +$46.8M 0.88% 17
2024
Q1
$386M Sell
2,928,783
-15,248
-0.5% -$2.01M 0.84% 17
2023
Q4
$321M Sell
2,944,031
-204,777
-7% -$22.3M 0.78% 21
2023
Q3
$324M Buy
3,148,808
+87,972
+3% +$9.06M 0.87% 14
2023
Q2
$353M Sell
3,060,836
-255,374
-8% -$29.5M 0.93% 15
2023
Q1
$353M Sell
3,316,210
-301,558
-8% -$32.1M 0.96% 12
2022
Q4
$401M Sell
3,617,768
-430,359
-11% -$47.7M 1.16% 8
2022
Q3
$349M Sell
4,048,127
-51,494
-1% -$4.43M 1.13% 11
2022
Q2
$374M Buy
4,099,621
+305,247
+8% +$27.8M 1.16% 11
2022
Q1
$311M Sell
3,794,374
-1,329,017
-26% -$109M 0.73% 27
2021
Q4
$393M Buy
5,123,391
+791,320
+18% +$60.6M 0.84% 20
2021
Q3
$325M Sell
4,332,071
-104,587
-2% -$7.86M 0.72% 30
2021
Q2
$345M Sell
4,436,658
-64,548
-1% -$5.02M 0.76% 22
2021
Q1
$347M Buy
4,501,206
+318,686
+8% +$24.6M 0.86% 18
2020
Q4
$342M Buy
4,182,520
+661,388
+19% +$54.1M 0.9% 17
2020
Q3
$292M Buy
3,521,132
+78,155
+2% +$6.48M 0.9% 20
2020
Q2
$266M Sell
3,442,977
-609,919
-15% -$47.2M 0.9% 16
2020
Q1
$312M Sell
4,052,896
-13,966
-0.3% -$1.07M 1.25% 7
2019
Q4
$370M Buy
4,066,862
+119,207
+3% +$10.8M 1.18% 6
2019
Q3
$332M Sell
3,947,655
-59,004
-1% -$4.97M 1.17% 7
2019
Q2
$336M Buy
4,006,659
+172,407
+4% +$14.5M 1.19% 7
2019
Q1
$319M Buy
3,834,252
+709,780
+23% +$59M 1.17% 7
2018
Q4
$239M Buy
3,124,472
+680,339
+28% +$51.9M 1.07% 10
2018
Q3
$173M Buy
2,444,133
+131,077
+6% +$9.3M 0.69% 23
2018
Q2
$140M Sell
2,313,056
-66,848
-3% -$4.06M 0.64% 27
2018
Q1
$130M Buy
2,379,904
+81,493
+4% +$4.44M 0.61% 29
2017
Q4
$129M Buy
2,298,411
+277,798
+14% +$15.6M 0.67% 31
2017
Q3
$129M Sell
2,020,613
-7,345
-0.4% -$470K 0.8% 24
2017
Q2
$130M Buy
2,027,958
+58,138
+3% +$3.73M 0.84% 19
2017
Q1
$125M Buy
1,969,820
+110,682
+6% +$7.03M 0.83% 20
2016
Q4
$109M Buy
1,859,138
+804,753
+76% +$47.4M 0.86% 18
2016
Q3
$65.8M Buy
1,054,385
+414,883
+65% +$25.9M 0.49% 56
2016
Q2
$36.8M Buy
639,502
+12,875
+2% +$742K 0.28% 116
2016
Q1
$33.2M Buy
626,627
+5,136
+0.8% +$272K 0.27% 121
2015
Q4
$32.8M Sell
621,491
-1,108,486
-64% -$58.5M 0.28% 120
2015
Q3
$85.4M Buy
1,729,977
+67,492
+4% +$3.33M 0.65% 28
2015
Q2
$94.6M Sell
1,662,485
-68,428
-4% -$3.9M 0.72% 24
2015
Q1
$99.5M Buy
1,730,913
+1,083,047
+167% +$62.3M 0.75% 25
2014
Q4
$36.8M Buy
647,866
+137,408
+27% +$7.8M 0.26% 106
2014
Q3
$30.3M Buy
510,458
+140,051
+38% +$8.3M 0.22% 110
2014
Q2
$21.4M Buy
370,407
+85,356
+30% +$4.94M 0.15% 168
2014
Q1
$16.2M Buy
285,051
+16,819
+6% +$955K 0.12% 196
2013
Q4
$13.4M Buy
268,232
+31,540
+13% +$1.58M 0.11% 205
2013
Q3
$11.3M Buy
236,692
+10,575
+5% +$503K 0.11% 187
2013
Q2
$10.5M Buy
+226,117
New +$10.5M 0.11% 188