Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$336M Buy
2,795,221
+41,991
+2% +$4.85M 0.39% 43
2025
Q4
$290M Buy
2,753,230
+225,264
+9% +$21.1M 0.35% 48
2025
Q3
$212M Buy
2,527,966
+35,579
+1% +$2.93M 0.27% 64
2025
Q2
$197M Sell
2,492,387
-245,786
-9% -$19.5M 0.28% 67
2025
Q1
$246M Buy
2,738,173
+943,144
+53% +$88.1M 0.41% 46
2024
Q4
$179M Buy
1,795,029
+121,709
+7% +$12.5M 0.3% 65
2024
Q3
$190M Buy
1,673,320
+13,808
+0.8% +$1.64M 0.34% 61
2024
Q2
$205M Buy
1,659,512
+49,073
+3% +$6.32M 0.4% 48
2024
Q1
$212M Buy
1,610,439
+22,574
+1% +$2.78M 0.44% 45
2023
Q4
$173M Sell
1,587,865
-7,644
-0.5% -$793K 0.41% 51
2023
Q3
$164M Buy
1,595,509
+59,234
+4% +$6.38M 0.44% 46
2023
Q2
$177M Buy
1,536,275
+28,102
+2% +$3.19M 0.47% 42
2023
Q1
$160M Buy
1,508,173
+61,407
+4% +$6.63M 0.47% 45
2022
Q4
$161M Buy
1,446,766
+149,941
+12% +$15.3M 0.52% 36
2022
Q3
$112M Buy
1,296,825
+54,451
+4% +$4.86M 0.45% 53
2022
Q2
$113M Buy
1,242,374
+75,527
+6% +$6.7M 0.47% 52
2022
Q1
$95.7M Sell
1,166,847
-257,872
-18% -$20.3M 0.36% 64
2021
Q4
$109M Buy
1,424,719
+179,720
+14% +$14.3M 0.46% 48
2021
Q3
$93.5M Buy
1,244,999
+127,400
+11% +$9.69M 0.49% 41
2021
Q2
$86.9M Buy
1,117,599
+21,218
+2% +$1.58M 0.54% 37
2021
Q1
$80.6M Buy
1,096,381
+77,413
+8% +$5.71M 0.56% 35
2020
Q4
$79.5M Buy
1,018,968
+97,163
+11% +$7.43M 0.61% 29
2020
Q3
$73M Sell
921,805
-11,362
-1% -$890K 0.69% 27
2020
Q2
$68.9M Buy
933,167
+61,491
+7% +$4.63M 0.69% 27
2020
Q1
$64.1M Buy
871,676
+31,791
+4% +$2.5M 0.8% 21
2019
Q4
$72.9M Buy
839,885
+31,031
+4% +$2.55M 0.76% 24
2019
Q3
$65M Buy
808,854
+20,232
+3% +$1.62M 0.78% 23
2019
Q2
$63.1M Buy
788,622
+57,919
+8% +$4.43M 0.75% 23
2019
Q1
$47.8M Buy
730,703
+183,298
+33% +$13.7M 0.68% 28
2018
Q4
$39.9M Buy
547,405
+450,618
+466% +$31.8M 0.71% 26
2018
Q3
$6.55M Buy
96,787
+12,374
+15% +$788K 0.17% 132
2018
Q2
$4.89M Buy
84,413
+16,076
+24% +$907K 0.14% 145
2018
Q1
$3.55M Buy
68,337
+9,323
+16% +$504K 0.13% 152
2017
Q4
$3.17M Buy
59,014
+16,119
+38% +$894K 0.12% 147
2017
Q3
$2.62M Buy
42,895
+1,509
+4% +$91.5K 0.12% 147
2017
Q2
$2.53M Sell
41,386
-24,023
-37% -$1.46M 0.12% 147
2017
Q1
$3.97M Buy
65,409
+1,489
+2% +$90.3K 0.17% 113
2016
Q4
$3.59M Buy
63,920
+6,854
+12% +$401K 0.17% 116
2016
Q3
$3.4M Buy
57,066
+4,323
+8% +$253K 0.16% 113
2016
Q2
$2.9M Buy
52,743
+14,753
+39% +$785K 0.16% 135
2016
Q1
$1.92M Buy
37,990
+17,511
+86% +$858K 0.11% 172
2015
Q4
$1.03M Sell
20,479
-325,027
-94% -$16.4M 0.07% 206
2015
Q3
$16.3M Buy
345,506
+11,535
+3% +$613K 0.72% 36
2015
Q2
$18.1M Buy
333,971
+321,833
+2,651% +$18M 0.84% 31
2015
Q1
$665K Sell
12,138
-2,205
-15% -$125K 0.06% 217
2014
Q4
$777K Buy
14,343
+816
+6% +$45.5K 0.07% 190
2014
Q3
$765K Sell
13,527
-6,828
-34% -$383K 0.09% 170
2014
Q2
$1.12M Buy
20,355
+2,756
+16% +$150K 0.12% 148
2014
Q1
$953K Sell
17,599
-1,039
-6% -$53.8K 0.12% 152
2013
Q4
$890K Buy
18,638
+1,595
+9% +$72.9K 0.11% 162
2013
Q3
$774K Sell
17,043
-7,132
-30% -$326K 0.14% 149
2013
Q2
$1.07M Buy
+24,175
New +$1.08M 0.23% 107

Other funds holding MRK

Mariner's MRK Position: Q1 2026 in Review

Mariner increased its Merck (MRK) stake by 1.5% in Q1 2026, buying an estimated $4.85M and bringing the position to 2,795,221 shares worth $336M. The position accounts for 0.39% of the portfolio, ranked #43.

Mariner first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. 3,777 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Mariner held 2,795,221 shares of Merck worth $336M as of Q1 2026.
  • Mariner bought 41,991 Merck shares in Q1 2026, an estimated $4.85M.
  • Merck made up 0.39% of Mariner's portfolio in Q1 2026, its #43 holding.
  • Mariner first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
  • 3,777 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.