Adage Capital 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
$323M Sell
2,687,439
-411
-0% -$47.5K 0.5% 28
2025
Q4
$283M Buy
2,687,850
+1,634,216
+155% +$153M 0.43% 36
2025
Q3
$88.4M Sell
1,053,634
-371,552
-26% -$30.6M 0.14% 146
2025
Q2
$113M Sell
1,425,186
-601,314
-30% -$47.8M 0.19% 103
2025
Q1
$182M Buy
2,026,500
+530,939
+36% +$49.6M 0.34% 55
2024
Q4
$149M Buy
1,495,561
+2,700
+0.2% +$278K 0.26% 66
2024
Q3
$170M Sell
1,492,861
-1,678,326
-53% -$199M 0.3% 57
2024
Q2
$393M Sell
3,171,187
-204,404
-6% -$26.3M 0.73% 16
2024
Q1
$445M Buy
3,375,591
+1,479,768
+78% +$182M 0.84% 14
2023
Q4
$207M Sell
1,895,823
-963,016
-34% -$100M 0.43% 39
2023
Q3
$294M Sell
2,858,839
-193
-0% -$20.8K 0.67% 22
2023
Q2
$330M Buy
2,859,032
+258,407
+10% +$29.3M 0.72% 18
2023
Q1
$277M Sell
2,600,625
-118,700
-4% -$12.8M 0.62% 21
2022
Q4
$302M Buy
2,719,325
+404,264
+17% +$41.3M 0.72% 14
2022
Q3
$199M Buy
2,315,061
+801,685
+53% +$71.6M 0.49% 28
2022
Q2
$138M Buy
1,513,376
+310,700
+26% +$27.5M 0.32% 61
2022
Q1
$98.7M Sell
1,202,676
-559,000
-32% -$44.1M 0.19% 116
2021
Q4
$135M Sell
1,761,676
-39,430
-2% -$3.14M 0.24% 89
2021
Q3
$135M Buy
1,801,106
+296,000
+20% +$22.5M 0.27% 77
2021
Q2
$117M Sell
1,505,106
-2,007,063
-57% -$149M 0.23% 92
2021
Q1
$258M Buy
3,512,169
+2,412,811
+219% +$178M 0.53% 29
2020
Q4
$85.8M Sell
1,099,358
-1,317,860
-55% -$101M 0.19% 120
2020
Q3
$191M Buy
2,417,218
+76,818
+3% +$6.02M 0.48% 38
2020
Q2
$173M Sell
2,340,400
-623,245
-21% -$46.9M 0.44% 44
2020
Q1
$218M Sell
2,963,645
-673,534
-19% -$52.9M 0.65% 20
2019
Q4
$316M Sell
3,637,179
-196,815
-5% -$16.2M 0.78% 18
2019
Q3
$308M Sell
3,833,994
-30,077
-0.8% -$2.41M 0.76% 21
2019
Q2
$309M Sell
3,864,071
-583,843
-13% -$44.7M 0.77% 17
2019
Q1
$353M Sell
4,447,914
-1,196,397
-21% -$89.5M 0.88% 16
2018
Q4
$412M Sell
5,644,311
-1,180,195
-17% -$83.3M 1.14% 7
2018
Q3
$462M Sell
6,824,506
-64,242
-0.9% -$4.09M 1.03% 11
2018
Q2
$399M Buy
6,888,748
+3,471,123
+102% +$196M 0.91% 14
2018
Q1
$178M Sell
3,417,625
-756,237
-18% -$40.8M 0.41% 56
2017
Q4
$224M Sell
4,173,862
-602,181
-13% -$33.4M 0.51% 43
2017
Q3
$292M Buy
4,776,043
+324,146
+7% +$19.7M 0.71% 24
2017
Q2
$272M Buy
4,451,897
+298,314
+7% +$18.2M 0.67% 29
2017
Q1
$252M Sell
4,153,583
-833,160
-17% -$50.5M 0.63% 31
2016
Q4
$280M Sell
4,986,743
-408,301
-8% -$23.9M 0.77% 22
2016
Q3
$321M Buy
5,395,044
+2,013,575
+60% +$118M 0.88% 15
2016
Q2
$186M Sell
3,381,469
-357,264
-10% -$19M 0.51% 50
2016
Q1
$189M Sell
3,738,733
-419,095
-10% -$20.5M 0.51% 49
2015
Q4
$210M Sell
4,157,828
-386,293
-9% -$19.5M 0.55% 43
2015
Q3
$214M Sell
4,544,121
-306,644
-6% -$16.3M 0.59% 31
2015
Q2
$264M Buy
4,850,765
+658,108
+16% +$36.9M 0.66% 25
2015
Q1
$230M Sell
4,192,657
-364,758
-8% -$20.7M 0.56% 29
2014
Q4
$247M Sell
4,557,415
-184,343
-4% -$10.3M 0.6% 28
2014
Q3
$268M Sell
4,741,758
-610,984
-11% -$34.3M 0.66% 26
2014
Q2
$295M Buy
5,352,742
+511,005
+11% +$27.9M 0.76% 19
2014
Q1
$262M Buy
4,841,737
+970,972
+25% +$50.3M 0.72% 22
2013
Q4
$185M Sell
3,870,765
-214,840
-5% -$9.82M 0.49% 45
2013
Q3
$186M Sell
4,085,605
-481,451
-11% -$22M 0.53% 42
2013
Q2
$202M Buy
+4,567,056
New +$204M 0.62% 28

Other funds holding MRK

Adage Capital Partners's MRK Position: Q1 2026 in Review

Adage Capital Partners reduced its Merck (MRK) stake by 0.02% in Q1 2026, selling an estimated $47.5K and leaving 2,687,439 shares worth $323M. The position accounts for 0.5% of the portfolio, ranked #28.

Adage Capital Partners first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. The position peaked at $462M in Q3 2018. 3,777 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Adage Capital Partners held 2,687,439 shares of Merck worth $323M as of Q1 2026.
  • Adage Capital Partners sold 411 Merck shares in Q1 2026, an estimated $47.5K.
  • Merck made up 0.5% of Adage Capital Partners's portfolio in Q1 2026, its #28 holding.
  • Adage Capital Partners first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
  • Adage Capital Partners's Merck position peaked at $462M in Q3 2018.
  • 3,777 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.