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., Inc. (MRK)
← All MRK superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 2,141 <0.01 Buy <0.01 $104.43–125.14 · VW $116.62i $257,536 SEC
2025   Q2 0 0.00 Sell 100.00% <0.01 $73.31–89.75 · VW $80.74i SEC
2025   Q1 2,763 <0.01 Reduce 5.57% <0.01 $81.04–102.97 · VW $91.26i $248,013 SEC
2024   Q4 2,926 <0.01 Reduce 5.22% <0.01 $94.48–114.79 · VW $102.92i $291,104 SEC
2024   Q3 3,087 <0.01 Reduce 10.42% <0.01 $110.72–129.93 · VW $118.07i $350,548 SEC
2024   Q2 3,446 <0.01 Reduce 1.91% <0.01 $120.87–134.63 · VW $126.43i $426,592 SEC
2024   Q1 3,513 <0.01 Reduce 7.70% <0.01 $109.16–133.10 · VW $124.74i $463,550 SEC
2023   Q4 3,806 <0.01 Reduce 0.94% $99.14–109.24 · VW $105.80i $414,974 SEC
2023   Q3 3,842 <0.01 Reduce 2.98% <0.01 $102.71–114.62 · VW $106.76i $395,547 SEC
2023   Q2 3,960 <0.01 Add 3.37% <0.01 $105.57–119.65 · VW $113.54i $456,921 SEC
2023   Q1 3,831 <0.01 Add 4.30% <0.01 $101.75–115.49 · VW $107.88i $407,612 SEC
2022   Q4 3,673 <0.01 Reduce 4.80% <0.01 $86.02–112.89 · VW $103.29i $407,517 SEC
2022   Q3 3,858 <0.01 Reduce 1.30% <0.01 $84.52–95.35 · VW $88.66i $332,000 SEC
2022   Q2 3,909 <0.01 Add 0.26% $81.64–95.72 · VW $89.51i $356,000 SEC
2022   Q1 3,899 <0.01 Add 0.28% $72.88–83.38 · VW $79.44i $320,000 SEC
2021   Q4 3,888 <0.01 Add 0.26% $71.50–91.40 · VW $79.85i $298,000 SEC
2021   Q3 3,878 <0.01 Add 0.26% $70.89–79.23 · VW $75.08i $291,000 SEC
2021   Q2 3,868 <0.01 Reduce 4.33% <0.01 $69.51–78.09 · VW $75.12i $301,000 SEC
2021   Q1 4,043 <0.01 Reduce 2.18% <0.01 $68.44–81.68 · VW $74.56i $297,000 SEC
2020   Q4 4,133 <0.01 Add 0.22% $70.55–81.27 · VW $76.63i $323,000 SEC
2020   Q3 4,124 <0.01 Add 0.24% $72.56–83.78 · VW $78.50i $326,000 SEC
2020   Q2 4,114 <0.01 Add 42.70% <0.01 $69.65–80.79 · VW $74.74i $304,000 SEC
2020   Q1 2,883 <0.01 $73.53 $212,000 SEC
2019   Q4 2,883 <0.01 Reduce 1.06% $76.57–88.40 · VW $83.92i $250,000 SEC
2019   Q3 2,914 <0.01 $80.29 $234,000 SEC
2019   Q2 2,914 <0.01 Reduce 0.21% $68.92–82.54 · VW $77.16i $233,000 SEC
2019   Q1 2,920 <0.01 $79.46 $232,000 SEC
2018   Q4 2,920 <0.01 Buy <0.01 $63.07–76.52 · VW $70.83i $213,000 SEC
2018   Q1 0 0.00 Sell 100.00% <0.01 $50.54–60.86 · VW $54.46i SEC
2017   Q4 3,025 <0.01 Buy <0.01 $51.17–61.93 · VW $55.60i $162,000 SEC
2016   Q2 0 0.00 Sell 100.00% <0.01 $50.04–55.22 · VW $53.41i SEC
2016   Q1 4,020 <0.01 $50.50 $203,000 SEC
2015   Q4 4,020 <0.01 Buy <0.01 $46.14–53.22 · VW $49.92i $203,000 SEC
2015   Q3 0 0.00 Sell 100.00% <0.01 $43.60–57.32 · VW $49.35i SEC
2015   Q2 4,020 <0.01 $54.23 $218,000 SEC
2015   Q1 4,020 <0.01 Reduce 11.53% <0.01 $53.09–60.71 · VW $56.22i $220,000 SEC
2014   Q4 4,544 <0.01 $54.13 $246,000 SEC
2014   Q3 4,544 <0.01 Reduce 1.15% $53.02–58.52 · VW $56.04i $257,000 SEC
2014   Q2 4,597 <0.01 Reduce 3.30% <0.01 $51.91–57.10 · VW $54.74i $254,000 SEC
2014   Q1 4,754 <0.01 $54.27 $258,000 SEC
2013   Q4 4,754 <0.01 Reduce 20.91% <0.01 $42.58–48.11 · VW $46.15i $227,000 SEC
2013   Q3 6,011 <0.01 $45.41 $273,000 SEC
2013   Q2 6,011 <0.01 Reduce 8.02% <0.01 $41.77–47.86 · VW $44.65i $266,000 SEC
2013   Q1 6,535 <0.01 $42.23 $276,000 SEC
2012   Q4 6,535 <0.01 Reduce 3.85% <0.01 $38.19–45.80 · VW $41.02i $255,000 SEC
2012   Q3 6,797 <0.01 Reduce 14.50% <0.01 $39.18–43.61 · VW $41.94i $292,000 SEC
2012   Q2 7,950 <0.01 $39.88 $317,000 SEC
2012   Q1 7,950 <0.01 $36.60 $291,000 SEC
2011   Q4 7,950 <0.01 $35.97 $286,000 SEC
2011   Q3 7,950 <0.01 $31.19 $248,000 SEC
2011   Q2 7,950 <0.01 Add 15.18% <0.01 $31.49–35.93 · VW $33.70i $268,000 SEC
2011   Q1 6,902 <0.01 $31.44 $217,000 SEC
2010   Q4 6,902 <0.01 $34.34 $237,000 SEC
2010   Q3 6,902 0.01 Reduce 14.31% <0.01 $32.11–35.86 · VW $34.36i $242,000 SEC
2010   Q2 8,055 0.01 Reduce 13.01% <0.01 $29.29–36.23 · VW $32.96i $269,000 SEC
2010   Q1 9,260 0.02 Add 45.19% <0.01 $34.12–39.66 · VW $36.47i $330,000 SEC
2009   Q4 6,378 0.01 Buy 0.01 $28.90–36.66 · VW $33.48i $222,000 SEC
Price snapshot:
Current price$124.03
Avg. buy price$120.29
+/- since buy3.11%
52-week low$74.18
52-week high$130.29