Thomas Russo - Gardner Russo & Quinn
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    86
Portfolio value:    $8,496,278,296
Holdings Activity Buys Sells    History
Holding/activity history for  Merck & Co. (MRK)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 2,141 <0.01 Buy <0.01 $120.29 $257,536 SEC
2025   Q2 0 0.00 Sell 100.00% <0.01 SEC
2025   Q1 2,763 <0.01 Reduce 5.57% <0.01 $89.76 $248,013 SEC
2024   Q4 2,926 <0.01 Reduce 5.22% <0.01 $99.49 $291,104 SEC
2024   Q3 3,087 <0.01 Reduce 10.42% <0.01 $113.56 $350,548 SEC
2024   Q2 3,446 <0.01 Reduce 1.91% <0.01 $123.79 $426,592 SEC
2024   Q1 3,513 <0.01 Reduce 7.70% <0.01 $131.95 $463,550 SEC
2023   Q4 3,806 <0.01 Reduce 0.94% $109.03 $414,974 SEC
2023   Q3 3,842 <0.01 Reduce 2.98% <0.01 $102.95 $395,547 SEC
2023   Q2 3,960 <0.01 Add 3.37% <0.01 $115.38 $456,921 SEC
2023   Q1 3,831 <0.01 Add 4.30% <0.01 $106.40 $407,612 SEC
2022   Q4 3,673 <0.01 Reduce 4.80% <0.01 $110.95 $407,517 SEC
2022   Q3 3,858 <0.01 Reduce 1.30% <0.01 $86.05 $332,000 SEC
2022   Q2 3,909 <0.01 Add 0.26% $91.07 $356,000 SEC
2022   Q1 3,899 <0.01 Add 0.28% $82.07 $320,000 SEC
2021   Q4 3,888 <0.01 Add 0.26% $76.65 $298,000 SEC
2021   Q3 3,878 <0.01 Add 0.26% $75.04 $291,000 SEC
2021   Q2 3,868 <0.01 Add 0.26% $77.82 $301,000 SEC
2021   Q1 3,858 <0.01 Reduce 2.18% <0.01 $76.98 $297,000 SEC
2020   Q4 3,944 <0.01 Add 0.23% $81.90 $323,000 SEC
2020   Q3 3,935 <0.01 Add 0.23% $82.85 $326,000 SEC
2020   Q2 3,926 <0.01 Add 42.71% <0.01 $77.43 $304,000 SEC
2020   Q1 2,751 <0.01 $77.06 $212,000 SEC
2019   Q4 2,751 <0.01 Reduce 1.08% $90.88 $250,000 SEC
2019   Q3 2,781 <0.01 $84.14 $234,000 SEC
2019   Q2 2,781 <0.01 Reduce 0.18% $83.78 $233,000 SEC
2019   Q1 2,786 <0.01 $83.27 $232,000 SEC
2018   Q4 2,786 <0.01 Buy <0.01 $76.45 $213,000 SEC
2018   Q1 0 0.00 Sell 100.00% <0.01 SEC
2017   Q4 2,886 <0.01 Buy <0.01 $56.13 $162,000 SEC
2016   Q2 0 0.00 Sell 100.00% <0.01 SEC
2016   Q1 3,836 <0.01 $52.92 $203,000 SEC
2015   Q4 3,836 <0.01 Buy <0.01 $52.92 $203,000 SEC
2015   Q3 0 0.00 Sell 100.00% <0.01 SEC
2015   Q2 3,836 <0.01 $56.83 $218,000 SEC
2015   Q1 3,836 <0.01 Reduce 11.53% <0.01 $57.35 $220,000 SEC
2014   Q4 4,336 <0.01 $56.73 $246,000 SEC
2014   Q3 4,336 <0.01 Reduce 1.14% $59.27 $257,000 SEC
2014   Q2 4,386 <0.01 Reduce 3.31% <0.01 $57.91 $254,000 SEC
2014   Q1 4,536 <0.01 $56.88 $258,000 SEC
2013   Q4 4,536 <0.01 Reduce 20.92% <0.01 $50.04 $227,000 SEC
2013   Q3 5,736 <0.01 $47.59 $273,000 SEC
2013   Q2 5,736 <0.01 Reduce 8.02% <0.01 $46.37 $266,000 SEC
2013   Q1 6,236 <0.01 $44.26 $276,000 SEC
2012   Q4 6,236 <0.01 Reduce 3.85% <0.01 $40.89 $255,000 SEC
2012   Q3 6,486 <0.01 Reduce 14.50% <0.01 $45.02 $292,000 SEC
2012   Q2 7,586 <0.01 $41.79 $317,000 SEC
2012   Q1 7,586 <0.01 $38.36 $291,000 SEC
2011   Q4 7,586 0.01 $37.70 $286,000 SEC
2011   Q3 7,586 0.01 $32.69 $248,000 SEC
2011   Q2 7,586 0.01 Add 15.18% <0.01 $35.33 $268,000 SEC
2011   Q1 6,586 <0.01 $32.95 $217,000 SEC
2010   Q4 6,586 0.01 $35.99 $237,000 SEC
2010   Q3 6,586 0.01 Reduce 14.31% <0.01 $36.74 $242,000 SEC
2010   Q2 7,686 0.01 Reduce 13.01% <0.01 $35.00 $269,000 SEC
2010   Q1 8,836 0.02 Add 45.19% <0.01 $37.35 $330,000 SEC
2009   Q4 6,086 0.01 Buy 0.01 $36.48 $222,000 SEC