SEC 13F Intelligence

American Century Companies Inc / MRK

American Century Companies Inc’s Merck & Co Inc Position

Does American Century Companies Inc own Merck & Co Inc (MRK)? Yes — 5.55M shares worth $667M (+0.34% of its 13F portfolio) as of Q1 2026, up from 5.37M shares the prior filed quarter.

Position Value
$667M
Q1 2026
Shares
5.55M
% of Portfolio
+0.34%
Quarters Held
30
currently held

Position History MRK

Reported value by quarter
Q4 ’18: $376MQ4 ’18Q1 ’19: $497MQ2 ’19: $476MQ3 ’19: $466MQ4 ’19: $408MQ4 ’19Q1 ’20: $427MQ2 ’20: $386MQ3 ’20: $347MQ4 ’20: $258MQ4 ’20Q1 ’21: $359MQ2 ’21: $264MQ3 ’21: $318MQ4 ’21: $390MQ4 ’21Q1 ’22: $400MQ2 ’22: $310MQ3 ’22: $232MQ4 ’22: $241MQ4 ’22Q1 ’23: $217MQ2 ’23: $219MQ3 ’23: $172MQ4 ’23: $173MQ4 ’23Q1 ’24: $358MQ2 ’24: $384MQ3 ’24: $187MQ4 ’24: $183MQ4 ’24Q1 ’25: $274MQ2 ’25: $299MQ3 ’25: $383MQ4 ’25: $565MQ4 ’25Q1 ’26: $667Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20265.55M$667M+0.34%
Q4 20255.37M$565M+0.28%
Q3 20254.56M$383M+0.19%
Q2 20253.77M$299M+0.16%
Q1 20253.05M$274M+0.17%
Q4 20241.84M$183M+0.11%
Q3 20241.65M$187M+0.11%
Q2 20243.10M$384M+0.23%
Q1 20242.71M$358M+0.22%
Q4 20231.58M$173M+0.12%
Q3 20231.67M$172M+0.13%
Q2 20231.90M$219M+0.17%
Q1 20232.04M$217M+0.17%
Q4 20222.17M$241M+0.20%
Q3 20222.69M$232M+0.20%
Q2 20223.40M$310M+0.25%
Q1 20224.87M$400M+0.27%
Q4 20215.08M$390M+0.25%
Q3 20214.23M$318M+0.22%
Q2 20213.39M$264M+0.18%
Q1 20214.66M$359M+0.26%
Q4 20203.15M$258M+0.20%
Q3 20204.18M$347M+0.31%
Q2 20205.00M$386M+0.37%
Q1 20205.55M$427M+0.51%
Q4 20194.49M$408M+0.39%
Q3 20195.53M$466M+0.47%
Q2 20195.67M$476M+0.47%
Q1 20195.97M$497M+0.50%
Q4 20184.92M$376M+0.43%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See American Century Companies Inc’s full portfolio or all institutional holders of MRK.