Renaissance Technologies
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Renaissance Technologies’s Merck MRK Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$11.1M Sell
139,820
-81,872
-37% -$6.48M 0.01% 1009
2025
Q1
$19.9M Sell
221,692
-1,159,944
-84% -$104M 0.03% 662
2024
Q4
$137M Buy
1,381,636
+295,758
+27% +$29.4M 0.2% 107
2024
Q3
$123M Buy
1,085,878
+1,080,963
+21,993% +$123M 0.19% 112
2024
Q2
$610K Sell
4,915
-195,287
-98% -$24.2M ﹤0.01% 2603
2024
Q1
$26.4M Buy
200,202
+80,378
+67% +$10.6M 0.04% 514
2023
Q4
$13.1M Sell
119,824
-247,819
-67% -$27M 0.02% 814
2023
Q3
$37.8M Sell
367,643
-600,509
-62% -$61.8M 0.06% 344
2023
Q2
$112M Sell
968,152
-1,681,107
-63% -$194M 0.16% 126
2023
Q1
$282M Buy
2,649,259
+969,157
+58% +$103M 0.37% 37
2022
Q4
$186M Sell
1,680,102
-2,883,132
-63% -$320M 0.26% 76
2022
Q3
$393M Sell
4,563,234
-2,200,700
-33% -$190M 0.56% 17
2022
Q2
$617M Buy
6,763,934
+1,664,600
+33% +$152M 0.73% 12
2022
Q1
$418M Buy
5,099,334
+4,915,334
+2,671% +$403M 0.49% 30
2021
Q4
$14.1M Sell
184,000
-1,315,000
-88% -$101M 0.02% 896
2021
Q3
$113M Buy
1,499,000
+740,200
+98% +$55.6M 0.15% 148
2021
Q2
$59M Buy
758,800
+251,366
+50% +$19.5M 0.07% 280
2021
Q1
$39.1M Buy
507,434
+479,219
+1,698% +$36.9M 0.05% 454
2020
Q4
$2.31M Sell
28,215
-1,195,524
-98% -$97.8M ﹤0.01% 2042
2020
Q3
$102M Sell
1,223,739
-2,516,690
-67% -$209M 0.1% 202
2020
Q2
$289M Sell
3,740,429
-3,151,941
-46% -$244M 0.25% 74
2020
Q1
$530M Buy
6,892,370
+1,219,127
+21% +$93.8M 0.52% 28
2019
Q4
$516M Buy
5,673,243
+1,625,830
+40% +$148M 0.4% 36
2019
Q3
$341M Buy
4,047,413
+2,730,013
+207% +$230M 0.29% 63
2019
Q2
$110M Buy
+1,317,400
New +$110M 0.1% 240
2018
Q1
Sell
-16,900
Closed -$951K 3495
2017
Q4
$951K Sell
16,900
-3,997,163
-100% -$225M ﹤0.01% 2678
2017
Q3
$257M Sell
4,014,063
-578,071
-13% -$37M 0.3% 44
2017
Q2
$294M Sell
4,592,134
-2,770,900
-38% -$178M 0.38% 27
2017
Q1
$468M Buy
+7,363,034
New +$468M 0.65% 9
2016
Q4
Sell
-1,303,400
Closed -$81.3M 3377
2016
Q3
$81.3M Sell
1,303,400
-1,623,134
-55% -$101M 0.14% 140
2016
Q2
$169M Buy
2,926,534
+2,442,200
+504% +$141M 0.32% 33
2016
Q1
$25.6M Sell
484,334
-1,267,900
-72% -$67.1M 0.05% 526
2015
Q4
$92.6M Buy
1,752,234
+290,500
+20% +$15.3M 0.2% 74
2015
Q3
$72.2M Sell
1,461,734
-460,000
-24% -$22.7M 0.17% 97
2015
Q2
$109M Buy
1,921,734
+727,565
+61% +$41.4M 0.25% 57
2015
Q1
$68.6M Buy
1,194,169
+618,545
+107% +$35.6M 0.15% 128
2014
Q4
$32.7M Sell
575,624
-212,010
-27% -$12M 0.08% 286
2014
Q3
$46.7M Sell
787,634
-7,900
-1% -$468K 0.13% 165
2014
Q2
$46M Buy
795,534
+599,334
+305% +$34.7M 0.11% 208
2014
Q1
$11.1M Sell
196,200
-1,822,334
-90% -$103M 0.03% 803
2013
Q4
$101M Buy
2,018,534
+1,766,234
+700% +$88.4M 0.24% 72
2013
Q3
$12M Buy
+252,300
New +$12M 0.03% 714