Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.07M Sell
8,298
-1,223
-13% -$143K 0.05% 59
2026
Q1
$1.15M Buy
9,521
+1,737
+22% +$201K 0.07% 56
2025
Q4
$826K Sell
7,784
-1,486
-16% -$139K 0.05% 60
2025
Q3
$778K Buy
9,270
+302
+3% +$24.9K 0.04% 64
2025
Q2
$717K Sell
8,968
-262
-3% -$20.8K 0.04% 62
2025
Q1
$836K Sell
9,230
-437
-5% -$40.8K 0.05% 59
2024
Q4
$970K Sell
9,667
-22
-0.2% -$2.27K 0.06% 59
2024
Q3
$1.11M Buy
9,689
+3,914
+68% +$465K 0.07% 57
2024
Q2
$719K Buy
5,775
+313
+6% +$40.3K 0.05% 59
2024
Q1
$725K Sell
5,462
-209
-4% -$25.8K 0.05% 61
2023
Q4
$758K Sell
5,671
-101,637
-95% -$10.6M 0.06% 57
2023
Q3
$11.1M Sell
107,308
-779
-0.7% -$84K 1.15% 35
2023
Q2
$12.5M Buy
108,087
+101,658
+1,581% +$11.5M 1.99% 21
2023
Q1
$689K Sell
6,429
-316
-5% -$34.1K 0.14% 46
2022
Q4
$753K Buy
6,745
+374
+6% +$38.2K 0.18% 46
2022
Q3
$549K Buy
6,371
+1,510
+31% +$135K 0.12% 51
2022
Q2
$443K Sell
4,861
-1,517
-24% -$134K 0.12% 47
2022
Q1
$523K Sell
6,378
-946
-13% -$74.6K 0.05% 70
2021
Q4
$561K Buy
7,324
+1,126
+18% +$89.7K 0.04% 77
2021
Q3
$466K Buy
6,198
+400
+7% +$30.4K 0.04% 84
2021
Q2
$451K Sell
5,798
-540
-9% -$40.2K 0.04% 91
2021
Q1
$466K Sell
6,338
-1,369
-18% -$101K 0.04% 85
2020
Q4
$602K Sell
7,707
-480
-6% -$36.7K 0.06% 74
2020
Q3
$648K Sell
8,187
-1,415
-15% -$111K 0.08% 66
2020
Q2
$709K Buy
9,602
+13
+0.1% +$979 0.11% 57
2020
Q1
$704K Sell
9,589
-154,548
-94% -$12.1M 0.17% 45
2019
Q4
$14.2M Sell
164,137
-959
-0.6% -$78.8K 2.25% 25
2019
Q3
$13.3M Buy
165,096
+157,238
+2,001% +$12.6M 2.49% 23
2019
Q2
$629K Buy
7,858
+480
+7% +$36.8K 0.14% 52
2019
Q1
$586K Buy
7,378
+248
+3% +$18.5K 0.19% 46
2018
Q4
$520K Sell
7,130
-99
-1% -$6.99K 0.2% 41
2018
Q3
$489K Buy
7,229
+124
+2% +$7.9K 0.07% 68
2018
Q2
$412K Sell
7,105
-282
-4% -$15.9K 0.06% 76
2018
Q1
$384K Sell
7,387
-230
-3% -$12.4K 0.06% 81
2017
Q4
$409K Sell
7,617
-5,781
-43% -$320K 0.06% 80
2017
Q3
$819K Sell
13,398
-2,262
-14% -$137K 0.13% 63
2017
Q2
$958K Sell
15,660
-653
-4% -$39.8K 0.16% 68
2017
Q1
$989K Sell
16,313
-502
-3% -$30.5K 0.17% 70
2016
Q4
$945K Sell
16,815
-194
-1% -$11.4K 0.18% 69
2016
Q3
$1.01M Sell
17,009
-314
-2% -$18.4K 0.2% 69
2016
Q2
$952K Hold
17,323
0.2% 65
2016
Q1
$875K Sell
17,323
-173
-1% -$8.47K 0.23% 60
2015
Q4
$882K Buy
17,496
+597
+4% +$30.1K 0.19% 74
2015
Q3
$881K Buy
16,899
+1,519
+10% +$80.7K 0.21% 73
2015
Q2
$836K Buy
15,380
+1,079
+8% +$60.5K 0.17% 85
2015
Q1
$784K Buy
14,301
+611
+4% +$34.6K 0.17% 83
2014
Q4
$742K Sell
13,690
-89
-0.6% -$4.96K 0.16% 84
2014
Q3
$779K Buy
13,779
+228
+2% +$12.8K 0.17% 91
2014
Q2
$748K Buy
13,551
+34
+0.3% +$1.85K 0.18% 86
2014
Q1
$732K Buy
13,517
+1,242
+10% +$64.3K 0.18% 88
2013
Q4
$586K Buy
12,275
+68
+0.6% +$3.11K 0.15% 96
2013
Q3
$555K Sell
12,207
-300
-2% -$13.7K 0.15% 93
2013
Q2
$554K Buy
+12,507
New +$559K 0.17% 93

Other funds holding MRK

Main Street Research's MRK Position: Q2 2026 in Review

Main Street Research reduced its Merck (MRK) stake by 13% in Q2 2026, selling an estimated $143K and leaving 8,298 shares worth $1.07M. The position accounts for 0.05% of the portfolio, ranked #59.

Main Street Research first reported a position in MRK in Q2 2013 and has held it in 53 quarters since. The position peaked at $14.2M in Q4 2019. 1,752 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Main Street Research held 8,298 shares of Merck worth $1.07M as of Q2 2026.
  • Main Street Research sold 1,223 Merck shares in Q2 2026, an estimated $143K.
  • Merck made up 0.05% of Main Street Research's portfolio in Q2 2026, its #59 holding.
  • Main Street Research first reported a position in Merck in Q2 2013 and has held it in 53 quarters since.
  • Main Street Research's Merck position peaked at $14.2M in Q4 2019.
  • 1,752 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Main Street Research's 13F filing for Q2 2026, filed 29 Jul 2026.