Main Street Research’s Merck MRK Stock Holding History
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
ECSS
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.