Boston Partners’s Merck MRK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $77.5M | Sell |
641,766
-26,956
| -4% | -$3.11M | 0.08% | 229 |
|
|
2025
Q4 | $70.4M | Sell |
668,722
-34,160
| -5% | -$3.21M | 0.07% | 239 |
|
|
2025
Q3 | $59M | Sell |
702,882
-61,111
| -8% | -$5.03M | 0.06% | 251 |
|
|
2025
Q2 | $60.5M | Sell |
763,993
-9,142
| -1% | -$727K | 0.07% | 236 |
|
|
2025
Q1 | $69.4M | Sell |
773,135
-3,658
| -0.5% | -$342K | 0.08% | 218 |
|
|
2024
Q4 | $77.3M | Sell |
776,793
-436,367
| -36% | -$45M | 0.09% | 211 |
|
|
2024
Q3 | $138M | Sell |
1,213,160
-7,931
| -0.6% | -$942K | 0.16% | 191 |
|
|
2024
Q2 | $151M | Sell |
1,221,091
-39,489
| -3% | -$5.09M | 0.19% | 177 |
|
|
2024
Q1 | $166M | Sell |
1,260,580
-34,684
| -3% | -$4.28M | 0.2% | 175 |
|
|
2023
Q4 | $141M | Sell |
1,295,264
-95,976
| -7% | -$9.96M | 0.19% | 181 |
|
|
2023
Q3 | $143M | Sell |
1,391,240
-52,937
| -4% | -$5.71M | 0.2% | 158 |
|
|
2023
Q2 | $167M | Sell |
1,444,177
-133,036
| -8% | -$15.1M | 0.22% | 142 |
|
|
2023
Q1 | $168M | Sell |
1,577,213
-36,290
| -2% | -$3.92M | 0.23% | 142 |
|
|
2022
Q4 | $179M | Sell |
1,613,503
-101,192
| -6% | -$10.3M | 0.24% | 136 |
|
|
2022
Q3 | $148M | Sell |
1,714,695
-101,950
| -6% | -$9.1M | 0.22% | 139 |
|
|
2022
Q2 | $166M | Sell |
1,816,645
-68,838
| -4% | -$6.1M | 0.23% | 141 |
|
|
2022
Q1 | $155M | Sell |
1,885,483
-57,297
| -3% | -$4.52M | 0.19% | 164 |
|
|
2021
Q4 | $149M | Sell |
1,942,780
-846,752
| -30% | -$67.4M | 0.18% | 173 |
|
|
2021
Q3 | $210M | Buy |
2,789,532
+151,945
| +6% | +$11.6M | 0.27% | 135 |
|
|
2021
Q2 | $205M | Buy |
2,637,587
+36,427
| +1% | +$2.71M | 0.26% | 132 |
|
|
2021
Q1 | $191M | Buy |
2,601,160
+765,411
| +42% | +$56.5M | 0.26% | 131 |
|
|
2020
Q4 | $143M | Sell |
1,835,749
-3,204,698
| -64% | -$245M | 0.22% | 148 |
|
|
2020
Q3 | $399M | Sell |
5,040,447
-518,992
| -9% | -$40.7M | 0.73% | 39 |
|
|
2020
Q2 | $410M | Sell |
5,559,439
-1,182,503
| -18% | -$89M | 0.75% | 39 |
|
|
2020
Q1 | $495M | Buy |
6,741,942
+3,578,988
| +113% | +$281M | 0.98% | 21 |
|
|
2019
Q4 | $275M | Sell |
3,162,954
-448,601
| -12% | -$36.8M | 0.36% | 88 |
|
|
2019
Q3 | $290M | Sell |
3,611,555
-186,259
| -5% | -$14.9M | 0.39% | 79 |
|
|
2019
Q2 | $304M | Sell |
3,797,814
-189,108
| -5% | -$14.5M | 0.4% | 85 |
|
|
2019
Q1 | $316M | Sell |
3,986,922
-133,894
| -3% | -$10M | 0.42% | 71 |
|
|
2018
Q4 | $300M | Sell |
4,120,816
-9,937,401
| -71% | -$702M | 0.43% | 70 |
|
|
2018
Q3 | $952M | Sell |
14,058,217
-1,189,790
| -8% | -$75.8M | 1.11% | 16 |
|
|
2018
Q2 | $883M | Sell |
15,248,007
-389,931
| -2% | -$22M | 1.06% | 17 |
|
|
2018
Q1 | $813M | Sell |
15,637,938
-2,349,754
| -13% | -$127M | 0.98% | 19 |
|
|
2017
Q4 | $966M | Sell |
17,987,692
-1,642,264
| -8% | -$91M | 1.14% | 13 |
|
|
2017
Q3 | $1.2B | Buy |
19,629,956
+152,740
| +0.8% | +$9.26M | 1.48% | 5 |
|
|
2017
Q2 | $1.19B | Sell |
19,477,216
-1,414,681
| -7% | -$86.1M | 1.51% | 5 |
|
|
2017
Q1 | $1.27B | Buy |
20,891,897
+524,499
| +3% | +$31.8M | 1.62% | 6 |
|
|
2016
Q4 | $1.14B | Buy |
20,367,398
+1,016,309
| +5% | +$59.5M | 1.5% | 7 |
|
|
2016
Q3 | $1.15B | Sell |
19,351,089
-596,856
| -3% | -$34.9M | 1.61% | 4 |
|
|
2016
Q2 | $1.1B | Buy |
19,947,945
+3,831,109
| +24% | +$204M | 1.58% | 4 |
|
|
2016
Q1 | $814M | Buy |
16,116,836
+783,358
| +5% | +$38.4M | 1.2% | 10 |
|
|
2015
Q4 | $773M | Sell |
15,333,478
-2,116,255
| -12% | -$107M | 1.11% | 16 |
|
|
2015
Q3 | $822M | Buy |
17,449,733
+1,822,475
| +12% | +$96.8M | 1.25% | 12 |
|
|
2015
Q2 | $849M | Buy |
15,627,258
+790,141
| +5% | +$44.3M | 1.22% | 12 |
|
|
2015
Q1 | $814M | Buy |
+14,837,117
| New | +$840M | 1.21% | 13 |
|
Other funds holding MRK
VCM
VPM
Boston Partners's MRK Position: Q1 2026 in Review
Boston Partners reduced its Merck (MRK) stake by 4% in Q1 2026, selling an estimated $3.11M and leaving 641,766 shares worth $77.5M. The position accounts for 0.08% of the portfolio, ranked #229.
Boston Partners first reported a position in MRK in Q1 2015 and has held it in 45 quarters since. The position peaked at $1.27B in Q1 2017. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.
- Boston Partners held 641,766 shares of Merck worth $77.5M as of Q1 2026.
- Boston Partners sold 26,956 Merck shares in Q1 2026, an estimated $3.11M.
- Merck made up 0.08% of Boston Partners's portfolio in Q1 2026, its #229 holding.
- Boston Partners first reported a position in Merck in Q1 2015 and has held it in 45 quarters since.
- Boston Partners's Merck position peaked at $1.27B in Q1 2017.
- 3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.
Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.