Acadian Asset Management’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
$505M Buy
4,202,381
+2,607,712
+164% +$301M 0.72% 33
2025
Q4
$168M Sell
1,594,669
-608,296
-28% -$57.1M 0.28% 81
2025
Q3
$185M Sell
2,202,965
-1,975,420
-47% -$163M 0.32% 67
2025
Q2
$331M Buy
4,178,385
+1,583,692
+61% +$126M 0.68% 34
2025
Q1
$233M Buy
2,594,693
+2,027,957
+358% +$189M 0.66% 40
2024
Q4
$56.4M Sell
566,736
-139,257
-20% -$14.4M 0.16% 139
2024
Q3
$80.2M Buy
705,993
+156,525
+28% +$18.6M 0.25% 105
2024
Q2
$68M Buy
549,468
+384,605
+233% +$49.5M 0.21% 114
2024
Q1
$21.7M Buy
164,863
+84,597
+105% +$10.4M 0.08% 194
2023
Q4
$8.74M Sell
80,266
-272,400
-77% -$28.3M 0.03% 319
2023
Q3
$36.3M Sell
352,666
-564,803
-62% -$60.9M 0.15% 157
2023
Q2
$106M Sell
917,469
-148,141
-14% -$16.8M 0.44% 61
2023
Q1
$113M Sell
1,065,610
-113,606
-10% -$12.3M 0.5% 53
2022
Q4
$131M Buy
1,179,216
+556,927
+89% +$56.9M 0.64% 39
2022
Q3
$53.6M Sell
622,289
-89,035
-13% -$7.95M 0.29% 101
2022
Q2
$64.9M Sell
711,324
-333,166
-32% -$29.5M 0.33% 89
2022
Q1
$85.7M Sell
1,044,490
-960,568
-48% -$75.7M 0.35% 81
2021
Q4
$154M Buy
2,005,058
+63,326
+3% +$5.04M 0.57% 53
2021
Q3
$146M Buy
1,941,732
+620,144
+47% +$47.2M 0.56% 50
2021
Q2
$103M Sell
1,321,588
-1,199,072
-48% -$89.2M 0.39% 80
2021
Q1
$185M Buy
2,520,660
+717,106
+40% +$52.9M 0.72% 27
2020
Q4
$141M Buy
1,803,554
+400,537
+29% +$30.6M 0.54% 47
2020
Q3
$111M Sell
1,403,017
-333,599
-19% -$26.1M 0.47% 59
2020
Q2
$128M Buy
1,736,616
+898,276
+107% +$67.6M 0.55% 38
2020
Q1
$61.5M Buy
838,340
+527,298
+170% +$41.4M 0.35% 77
2019
Q4
$27M Sell
311,042
-50,457
-14% -$4.14M 0.12% 165
2019
Q3
$29M Buy
361,499
+182,590
+102% +$14.6M 0.12% 159
2019
Q2
$14.3M Sell
178,909
-249,468
-58% -$19.1M 0.07% 233
2019
Q1
$34M Sell
428,377
-500,332
-54% -$37.4M 0.15% 148
2018
Q4
$67.7M Buy
928,709
+65,300
+8% +$4.61M 0.34% 84
2018
Q3
$58.4M Buy
863,409
+119,145
+16% +$7.59M 0.24% 99
2018
Q2
$43.1M Sell
744,264
-177,357
-19% -$10M 0.19% 120
2018
Q1
$47.9M Buy
921,621
+765,091
+489% +$41.3M 0.21% 109
2017
Q4
$8.4M Buy
156,530
+10,162
+7% +$563K 0.04% 297
2017
Q3
$8.94M Buy
146,368
+12,641
+9% +$766K 0.04% 294
2017
Q2
$8.18M Buy
133,727
+522
+0.4% +$31.8K 0.04% 314
2017
Q1
$8.08M Sell
133,205
-27,163
-17% -$1.65M 0.04% 329
2016
Q4
$9.01M Sell
160,368
-114,064
-42% -$6.68M 0.04% 304
2016
Q3
$16.3M Buy
274,432
+250,931
+1,068% +$14.7M 0.08% 206
2016
Q2
$1.29M Buy
23,501
+2,750
+13% +$146K 0.01% 591
2016
Q1
$1.05M Sell
20,751
-5,316
-20% -$260K 0.01% 625
2015
Q4
$1.31M Sell
26,067
-101,748
-80% -$5.13M 0.01% 644
2015
Q3
$6.03M Sell
127,815
-58,446
-31% -$3.1M 0.03% 358
2015
Q2
$10.1M Sell
186,261
-35,944
-16% -$2.02M 0.05% 291
2015
Q1
$12.2M Buy
222,205
+95,071
+75% +$5.38M 0.06% 261
2014
Q4
$6.89M Buy
127,134
+14,414
+13% +$803K 0.03% 346
2014
Q3
$6.38M Sell
112,720
-51,612
-31% -$2.9M 0.03% 322
2014
Q2
$9.07M Sell
164,332
-739,606
-82% -$40.3M 0.04% 295
2014
Q1
$49M Buy
903,938
+816,760
+937% +$42.3M 0.26% 95
2013
Q4
$4.16M Buy
87,178
+14,252
+20% +$651K 0.02% 362
2013
Q3
$3.31M Sell
72,926
-158,260
-68% -$7.23M 0.02% 375
2013
Q2
$10.2M Buy
+231,186
New +$10.3M 0.07% 214

Other funds holding MRK

Acadian Asset Management's MRK Position: Q1 2026 in Review

Acadian Asset Management increased its Merck (MRK) stake by 164% in Q1 2026, buying an estimated $301M and bringing the position to 4,202,381 shares worth $505M. The position accounts for 0.72% of the portfolio, ranked #33.

Acadian Asset Management first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Acadian Asset Management held 4,202,381 shares of Merck worth $505M as of Q1 2026.
  • Acadian Asset Management bought 2,607,712 Merck shares in Q1 2026, an estimated $301M.
  • Merck made up 0.72% of Acadian Asset Management's portfolio in Q1 2026, its #33 holding.
  • Acadian Asset Management first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
  • 3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.