SEC 13F Intelligence

State Of Wisconsin Investment Board / MRK

State Of Wisconsin Investment Board’s Merck & Co Inc Position

Does State Of Wisconsin Investment Board own Merck & Co Inc (MRK)? Yes — 1.37M shares worth $164M (+0.38% of its 13F portfolio) as of Q1 2026, up from 1.29M shares the prior filed quarter.

Position Value
$164M
Q1 2026
Shares
1.37M
% of Portfolio
+0.38%
Quarters Held
30
currently held

Position History MRK

Reported value by quarter
Q4 ’18: $241MQ4 ’18Q1 ’19: $267MQ2 ’19: $233MQ3 ’19: $223MQ4 ’19: $181MQ4 ’19Q1 ’20: $165MQ2 ’20: $155MQ3 ’20: $161MQ4 ’20: $161MQ4 ’20Q1 ’21: $166MQ2 ’21: $173MQ3 ’21: $174MQ4 ’21: $179MQ4 ’21Q1 ’22: $156MQ2 ’22: $167MQ3 ’22: $124MQ4 ’22: $165MQ4 ’22Q1 ’23: $175MQ2 ’23: $186MQ3 ’23: $148MQ4 ’23: $154MQ4 ’23Q1 ’24: $192MQ2 ’24: $179MQ3 ’24: $181MQ4 ’24: $149MQ4 ’24Q1 ’25: $139MQ2 ’25: $117MQ3 ’25: $118MQ4 ’25: $136MQ4 ’25Q1 ’26: $164Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 20261.37M$164M+0.38%
Q4 20251.29M$136M+0.30%
Q3 20251.40M$118M+0.27%
Q2 20251.48M$117M+0.29%
Q1 20251.55M$139M+0.36%
Q4 20241.50M$149M+0.38%
Q3 20241.59M$181M+0.45%
Q2 20241.45M$179M+0.47%
Q1 20241.46M$192M+0.51%
Q4 20231.42M$154M+0.44%
Q3 20231.44M$148M+0.46%
Q2 20231.61M$186M+0.52%
Q1 20231.64M$175M+0.52%
Q4 20221.49M$165M+0.53%
Q3 20221.44M$124M+0.39%
Q2 20221.83M$167M+0.44%
Q1 20221.90M$156M+0.32%
Q4 20212.33M$179M+0.35%
Q3 20212.31M$174M+0.36%
Q2 20212.23M$173M+0.36%
Q1 20212.16M$166M+0.35%
Q4 20201.97M$161M+0.37%
Q3 20201.94M$161M+0.40%
Q2 20202.01M$155M+0.43%
Q1 20202.14M$165M+0.55%
Q4 20191.99M$181M+0.45%
Q3 20192.65M$223M+0.62%
Q2 20192.78M$233M+0.65%
Q1 20193.21M$267M+0.76%
Q4 20183.16M$241M+0.79%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See State Of Wisconsin Investment Board’s full portfolio or all institutional holders of MRK.