American Century Companies’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 | $667M | Buy |
5,547,858
+179,248
| +3% | +$20.7M | 0.34% | 28 |
|
|
2025
Q4 | $565M | Buy |
5,368,610
+808,970
| +18% | +$75.9M | 0.28% | 33 |
|
|
2025
Q3 | $383M | Buy |
4,559,640
+787,181
| +21% | +$64.8M | 0.19% | 69 |
|
|
2025
Q2 | $299M | Buy |
3,772,459
+721,844
| +24% | +$57.4M | 0.16% | 99 |
|
|
2025
Q1 | $274M | Buy |
3,050,615
+1,209,834
| +66% | +$113M | 0.17% | 99 |
|
|
2024
Q4 | $183M | Buy |
1,840,781
+192,129
| +12% | +$19.8M | 0.11% | 174 |
|
|
2024
Q3 | $187M | Sell |
1,648,652
-1,451,828
| -47% | -$172M | 0.11% | 180 |
|
|
2024
Q2 | $384M | Buy |
3,100,480
+390,639
| +14% | +$50.3M | 0.23% | 60 |
|
|
2024
Q1 | $358M | Buy |
2,709,841
+1,124,865
| +71% | +$139M | 0.22% | 72 |
|
|
2023
Q4 | $173M | Sell |
1,584,976
-86,226
| -5% | -$8.95M | 0.12% | 187 |
|
|
2023
Q3 | $172M | Sell |
1,671,202
-230,037
| -12% | -$24.8M | 0.13% | 167 |
|
|
2023
Q2 | $219M | Sell |
1,901,239
-142,331
| -7% | -$16.2M | 0.17% | 140 |
|
|
2023
Q1 | $217M | Sell |
2,043,570
-129,621
| -6% | -$14M | 0.17% | 141 |
|
|
2022
Q4 | $241M | Sell |
2,173,191
-520,615
| -19% | -$53.2M | 0.2% | 131 |
|
|
2022
Q3 | $232M | Sell |
2,693,806
-709,170
| -21% | -$63.3M | 0.2% | 123 |
|
|
2022
Q2 | $310M | Sell |
3,402,976
-1,467,243
| -30% | -$130M | 0.25% | 94 |
|
|
2022
Q1 | $400M | Sell |
4,870,219
-213,499
| -4% | -$16.8M | 0.27% | 84 |
|
|
2021
Q4 | $390M | Buy |
5,083,718
+854,536
| +20% | +$68.1M | 0.25% | 101 |
|
|
2021
Q3 | $318M | Buy |
4,229,182
+840,803
| +25% | +$63.9M | 0.22% | 118 |
|
|
2021
Q2 | $264M | Sell |
3,388,379
-1,494,140
| -31% | -$111M | 0.18% | 131 |
|
|
2021
Q1 | $359M | Buy |
4,882,519
+1,576,137
| +48% | +$116M | 0.26% | 94 |
|
|
2020
Q4 | $258M | Sell |
3,306,382
-1,074,783
| -25% | -$82.2M | 0.2% | 123 |
|
|
2020
Q3 | $347M | Sell |
4,381,165
-855,617
| -16% | -$67M | 0.31% | 77 |
|
|
2020
Q2 | $386M | Sell |
5,236,782
-581,200
| -10% | -$43.8M | 0.37% | 62 |
|
|
2020
Q1 | $427M | Buy |
5,817,982
+1,116,617
| +24% | +$87.8M | 0.51% | 33 |
|
|
2019
Q4 | $408M | Sell |
4,701,365
-1,094,898
| -19% | -$89.9M | 0.39% | 63 |
|
|
2019
Q3 | $466M | Sell |
5,796,263
-147,867
| -2% | -$11.9M | 0.47% | 44 |
|
|
2019
Q2 | $476M | Sell |
5,944,130
-312,930
| -5% | -$24M | 0.47% | 38 |
|
|
2019
Q1 | $497M | Buy |
6,257,060
+1,100,490
| +21% | +$82.3M | 0.5% | 36 |
|
|
2018
Q4 | $376M | Sell |
5,156,570
-921,054
| -15% | -$65M | 0.43% | 47 |
|
|
2018
Q3 | $411M | Sell |
6,077,624
-1,243,865
| -17% | -$79.2M | 0.4% | 52 |
|
|
2018
Q2 | $424M | Sell |
7,321,489
-2,705,403
| -27% | -$153M | 0.43% | 47 |
|
|
2018
Q1 | $521M | Buy |
10,026,892
+1,179,976
| +13% | +$63.7M | 0.53% | 31 |
|
|
2017
Q4 | $475M | Buy |
8,846,916
+723,386
| +9% | +$40.1M | 0.47% | 39 |
|
|
2017
Q3 | $496M | Buy |
8,123,530
+1,523,747
| +23% | +$92.4M | 0.5% | 35 |
|
|
2017
Q2 | $404M | Sell |
6,599,783
-215,008
| -3% | -$13.1M | 0.42% | 54 |
|
|
2017
Q1 | $413M | Sell |
6,814,791
-61,199
| -0.9% | -$3.71M | 0.43% | 50 |
|
|
2016
Q4 | $386M | Sell |
6,875,990
-1,504,189
| -18% | -$88M | 0.42% | 57 |
|
|
2016
Q3 | $499M | Buy |
8,380,179
+2,023,782
| +32% | +$118M | 0.55% | 30 |
|
|
2016
Q2 | $349M | Sell |
6,356,397
-366,386
| -5% | -$19.5M | 0.4% | 66 |
|
|
2016
Q1 | $339M | Sell |
6,722,783
-2,340,988
| -26% | -$115M | 0.4% | 58 |
|
|
2015
Q4 | $457M | Sell |
9,063,771
-3,182,343
| -26% | -$160M | 0.54% | 32 |
|
|
2015
Q3 | $577M | Buy |
12,246,114
+18,262
| +0.1% | +$970K | 0.7% | 17 |
|
|
2015
Q2 | $664M | Buy |
12,227,852
+1,864,339
| +18% | +$105M | 0.75% | 13 |
|
|
2015
Q1 | $568M | Buy |
10,363,513
+1,654,699
| +19% | +$93.7M | 0.63% | 22 |
|
|
2014
Q4 | $472M | Buy |
8,708,814
+564,401
| +7% | +$31.4M | 0.53% | 32 |
|
|
2014
Q3 | $461M | Sell |
8,144,413
-244,974
| -3% | -$13.8M | 0.54% | 36 |
|
|
2014
Q2 | $463M | Sell |
8,389,387
-711,879
| -8% | -$38.8M | 0.53% | 37 |
|
|
2014
Q1 | $493M | Sell |
9,101,266
-1,606,078
| -15% | -$83.2M | 0.58% | 31 |
|
|
2013
Q4 | $511M | Buy |
10,707,344
+378,806
| +4% | +$17.3M | 0.6% | 27 |
|
|
2013
Q3 | $469M | Buy |
10,328,538
+86,784
| +0.8% | +$3.96M | 0.59% | 30 |
|
|
2013
Q2 | $454M | Buy |
+10,241,754
| New | +$457M | 0.6% | 27 |
|
Other funds holding MRK
VCM
VPM
American Century Companies's MRK Position: Q1 2026 in Review
American Century Companies increased its Merck (MRK) stake by 3.3% in Q1 2026, buying an estimated $20.7M and bringing the position to 5,547,858 shares worth $667M. The position accounts for 0.34% of the portfolio, ranked #28.
American Century Companies 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.
- American Century Companies held 5,547,858 shares of Merck worth $667M as of Q1 2026.
- American Century Companies bought 179,248 Merck shares in Q1 2026, an estimated $20.7M.
- Merck made up 0.34% of American Century Companies's portfolio in Q1 2026, its #28 holding.
- American Century Companies 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 American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.