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Boston Common Asset Management’s Merck MRK Stock Holding History

Boston Common Asset Management’s Portfolio MRK Stock Details MRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$25.5M Sell
198,228
-452
-0.2% -$52.9K 1.51% 13
2026
Q1 		$23.9M Sell
198,680
-4,527
-2% -$523K 1.54% 13
2025
Q4 		$21.4M Sell
203,207
-44,511
-18% -$4.18M 1.29% 14
2025
Q3 		$20.8M Sell
247,718
-22,009
-8% -$1.81M 0.58% 56
2025
Q2 		$21.4M Sell
269,727
-30,618
-10% -$2.43M 0.6% 56
2025
Q1 		$27M Sell
300,345
-19,346
-6% -$1.81M 0.82% 30
2024
Q4 		$31.8M Buy
319,691
+119,575
+60% +$12.3M 0.93% 21
2024
Q3 		$22.7M Sell
200,116
-13,077
-6% -$1.55M 0.59% 57
2024
Q2 		$26.4M Sell
213,193
-28,675
-12% -$3.69M 0.68% 44
2024
Q1 		$31.9M Sell
241,868
-84,680
-26% -$10.4M 0.76% 39
2023
Q4 		$35.6M Sell
326,548
-73,026
-18% -$7.58M 0.81% 39
2023
Q3 		$41.1M Sell
399,574
-8,893
-2% -$959K 0.98% 20
2023
Q2 		$47.1M Sell
408,467
-159,451
-28% -$18.1M 1.01% 14
2023
Q1 		$60.4M Sell
567,918
-82,777
-13% -$8.94M 1.26% 8
2022
Q4 		$72.2M Buy
650,695
+24,752
+4% +$2.53M 3.45% 1
2022
Q3 		$53.9M Buy
625,943
+24,118
+4% +$2.15M 2.83% 1
2022
Q2 		$54.9M Sell
601,825
-41,265
-6% -$3.66M 2.73% 1
2022
Q1 		$52.8M Buy
643,090
+290,975
+83% +$22.9M 2.28% 3
2021
Q4 		$27M Sell
352,115
-52,198
-13% -$4.16M 1.09% 26
2021
Q3 		$30.4M Buy
404,313
+53,102
+15% +$4.04M 1.31% 21
2021
Q2 		$27.3M Buy
351,211
+16,762
+5% +$1.25M 1.17% 28
2021
Q1 		$24.6M Buy
334,449
+23,108
+7% +$1.7M 1.55% 12
2020
Q4 		$24.3M Buy
311,341
+134,261
+76% +$10.3M 1.7% 11
2020
Q3 		$14M Buy
177,080
+58
+0% +$4.54K 1.33% 15
2020
Q2 		$13.1M Buy
177,022
+15,880
+10% +$1.2M 1.39% 17
2020
Q1 		$11.8M Buy
161,142
+21,413
+15% +$1.68M 1.67% 14
2019
Q4 		$12.1M Sell
139,729
-15,429
-10% -$1.27M 1.41% 15
2019
Q3 		$12.5M Sell
155,158
-39,854
-20% -$3.19M 1.54% 12
2019
Q2 		$15.6M Sell
195,012
-4,631
-2% -$355K 1.94% 9
2019
Q1 		$15.8M Buy
199,643
+3,951
+2% +$296K 2.06% 10
2018
Q4 		$14.3M Sell
195,692
-1,467
-0.7% -$104K 2.08% 11
2018
Q3 		$13.3M Sell
197,159
-6,930
-3% -$442K 1.66% 13
2018
Q2 		$11.8M Buy
204,089
+7,552
+4% +$426K 1.46% 15
2018
Q1 		$10.2M Buy
196,537
+7,556
+4% +$408K 1.2% 18
2017
Q4 		$10.1M Buy
188,981
+9,759
+5% +$541K 1.2% 16
2017
Q3 		$10.9M Buy
179,222
+6,818
+4% +$413K 1.36% 16
2017
Q2 		$10.5M Buy
172,404
+4,449
+3% +$271K 1.39% 16
2017
Q1 		$10.2M Sell
167,955
-2,270
-1% -$138K 1.38% 15
2016
Q4 		$9.56M Buy
170,225
+2,148
+1% +$126K 1.4% 16
2016
Q3 		$10M Buy
168,077
+1,010
+0.6% +$59.1K 0.54% 73
2016
Q2 		$9.18M Sell
167,067
-4,669
-3% -$248K 0.53% 74
2016
Q1 		$8.67M Buy
171,736
+20,599
+14% +$1.01M 0.49% 76
2015
Q4 		$7.62M Sell
151,137
-6,508
-4% -$328K 0.43% 82
2015
Q3 		$7.43M Buy
157,645
+4,820
+3% +$256K 0.45% 83
2015
Q2 		$8.3M Sell
152,825
-7,346
-5% -$412K 0.44% 82
2015
Q1 		$8.79M Buy
160,171
+676
+0.4% +$38.3K 0.47% 83
2014
Q4 		$8.64M Sell
159,495
-992
-0.6% -$55.3K 0.48% 83
2014
Q3 		$9.08M Buy
160,487
+6,733
+4% +$378K 0.51% 83
2014
Q2 		$8.49M Buy
153,754
+25,999
+20% +$1.42M 0.46% 88
2014
Q1 		$6.92M Buy
127,755
+26
+0% +$1.35K 0.39% 94
2013
Q4 		$6.1M Sell
127,729
-21,039
-14% -$962K 0.34% 105
2013
Q3 		$6.76M Sell
148,768
-5,568
-4% -$254K 0.39% 104
2013
Q2 		$6.84M Buy
+154,336
New +$6.89M 0.43% 96

Other funds holding MRK

LMFP
Larry Mathis Financial Planning Phoenix, Arizona $124B AUM
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return
Handelsbanken Fonder
Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
ATO
Alecta Tjanstepension Omsesidigt Stockholm, Sweden $23.8B AUM 34.25% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
QP
Quilter Plc London, United Kingdom $6.65B AUM 37.83% 1-Year Est. Return

Boston Common Asset Management's MRK Position: Q2 2026 in Review

Boston Common Asset Management reduced its Merck (MRK) stake by 0.23% in Q2 2026, selling an estimated $52.9K and leaving 198,228 shares worth $25.5M. The position accounts for 1.51% of the portfolio, ranked #13.

Boston Common Asset Management first reported a position in MRK in Q2 2013 and has held it in 53 quarters since. The position peaked at $72.2M in Q4 2022. 1,299 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • Boston Common Asset Management held 198,228 shares of Merck worth $25.5M as of Q2 2026.
  • Boston Common Asset Management sold 452 Merck shares in Q2 2026, an estimated $52.9K.
  • Merck made up 1.51% of Boston Common Asset Management's portfolio in Q2 2026, its #13 holding.
  • Boston Common Asset Management first reported a position in Merck in Q2 2013 and has held it in 53 quarters since.
  • Boston Common Asset Management's Merck position peaked at $72.2M in Q4 2022.
  • 1,299 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Boston Common Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.