Christopher Bloomstran - Semper Augustus
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    44
Portfolio value:    $837,339,668
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 44,633 0.64 Add 0.43% <0.01 $104.43–125.14 · VW $116.62i $5,368,904 SEC
2025   Q4 44,443 0.54 $105.26 $4,678,070 SEC
2025   Q3 44,443 0.47 $83.93 $3,730,101 SEC
2025   Q2 44,443 0.50 $79.16 $3,518,108 SEC
2025   Q1 44,443 0.64 $89.76 $3,989,204 SEC
2024   Q4 44,443 0.79 $99.48 $4,421,190 SEC
2024   Q3 44,443 0.85 $113.56 $5,046,947 SEC
2024   Q2 44,443 0.98 $123.80 $5,502,043 SEC
2024   Q1 44,443 1.07 Reduce 0.30% <0.01 $109.16–133.10 · VW $124.74i $5,864,254 SEC
2023   Q4 44,575 1.02 Add 0.29% <0.01 $99.14–109.24 · VW $105.80i $4,859,567 SEC
2023   Q3 44,444 1.10 $102.95 $4,575,510 SEC
2023   Q2 44,444 1.21 Reduce 0.07% <0.01 $105.57–119.65 · VW $113.54i $5,128,393 SEC
2023   Q1 44,473 1.21 $106.39 $4,731,482 SEC
2022   Q4 44,473 1.34 $110.95 $4,934,279 SEC
2022   Q3 44,473 1.16 $86.12 $3,830,000 SEC
2022   Q2 44,473 1.20 Add 0.91% 0.01 $81.64–95.72 · VW $89.51i $4,055,000 SEC
2022   Q1 44,073 0.92 $82.05 $3,616,000 SEC
2021   Q4 44,073 1.05 $76.65 $3,378,000 SEC
2021   Q3 44,073 1.07 $75.10 $3,310,000 SEC
2021   Q2 44,073 1.14 Reduce 4.58% 0.06 $69.51–78.09 · VW $75.12i $3,428,000 SEC
2021   Q1 46,189 1.28 Add 0.07% <0.01 $68.44–81.68 · VW $74.56i $3,398,000 SEC
2020   Q4 46,158 1.58 $78.05 $3,603,000 SEC
2020   Q3 46,158 1.88 $79.14 $3,653,000 SEC
2020   Q2 46,158 1.93 $73.79 $3,406,000 SEC
2020   Q1 46,158 2.14 Add 3.60% 0.07 $62.26–87.92 · VW $74.53i $3,389,000 SEC
2019   Q4 44,553 2.08 $86.77 $3,866,000 SEC
2019   Q3 44,553 2.05 Reduce 0.49% 0.01 $75.03–83.35 · VW $79.57i $3,579,000 SEC
2019   Q2 44,774 2.12 $80.00 $3,582,000 SEC
2019   Q1 44,774 2.18 $79.35 $3,553,000 SEC
2018   Q4 44,774 2.10 $72.90 $3,264,000 SEC
2018   Q3 44,774 1.75 $67.70 $3,031,000 SEC
2018   Q2 44,774 1.62 $57.91 $2,593,000 SEC
2018   Q1 44,774 1.62 $51.98 $2,327,000 SEC
2017   Q4 44,774 1.80 $53.69 $2,404,000 SEC
2017   Q3 44,774 2.02 $61.11 $2,736,000 SEC
2017   Q2 44,774 2.10 Reduce 45.56% 1.69 $59.04–63.36 · VW $61.18i $2,738,000 SEC
2017   Q1 82,244 3.72 $60.62 $4,986,000 SEC
2016   Q4 82,244 3.62 $56.17 $4,620,000 SEC
2016   Q3 82,244 3.71 Reduce 0.32% 0.01 $54.56–61.07 · VW $58.39i $4,898,000 SEC
2016   Q2 82,508 3.42 $54.98 $4,536,000 SEC
2016   Q1 82,508 3.10 $50.50 $4,166,000 SEC
2015   Q4 82,508 3.03 $50.39 $4,158,000 SEC
2015   Q3 82,508 2.86 $47.12 $3,888,000 SEC
2015   Q2 82,508 3.17 Reduce 0.41% 0.01 $53.65–58.87 · VW $55.61i $4,482,000 SEC
2015   Q1 82,849 3.10 Reduce 7.81% 0.26 $53.09–60.71 · VW $56.22i $4,544,000 SEC
2014   Q4 89,870 3.27 Reduce 7.55% 0.27 $50.09–59.35 · VW $54.54i $4,870,000 SEC
2014   Q3 97,206 3.55 Reduce 5.11% 0.18 $53.02–58.52 · VW $56.04i $5,498,000 SEC
2014   Q2 102,446 3.50 $55.20 $5,655,000 SEC
2014   Q1 102,446 3.36 Reduce 29.04% 1.20 $47.04–55.01 · VW $52.07i $5,549,000 SEC
2013   Q4 144,366 4.12 $47.76 $6,895,000 SEC
2013   Q3 144,366 4.09 $45.43 $6,558,000 SEC
2013   Q2 144,366 3.98 $44.32 $6,399,000 SEC
2013   Q1 144,366 6.02 $42.18 $6,089,000 SEC
2012   Q4 144,366 5.90 $39.06 $5,640,000 SEC
2012   Q3 144,366 6.18 $43.02 $6,212,000 SEC
2012   Q2 144,366 5.61 $39.84 $5,751,000 SEC
2012   Q1 144,366 4.93 $36.64 $5,290,000 SEC
2011   Q4 144,366 5.00 $35.97 $5,193,000 SEC
2011   Q3 144,366 4.73 $31.20 $4,505,000 SEC
2011   Q2 144,366 5.17 Add 0.79% 0.04 $31.49–35.93 · VW $33.70i $4,861,000 SEC
2011   Q1 143,228 4.43 $31.50 $4,511,000 SEC
2010   Q4 143,228 4.80 $34.39 $4,926,000 SEC
2010   Q3 143,228 5.53 $35.12 $5,031,000 SEC
2010   Q2 143,228 5.66 $33.37 $4,779,000 SEC
2010   Q1 143,228 6.03 $35.64 $5,105,000 SEC
2009   Q4 143,228 5.95 Buy 5.95 $28.90–36.66 · VW $33.48i $4,994,000 SEC
Price snapshot:
Current price$124.03
Avg. buy price$37.28
+/- since buy232.66%
52-week low$74.18
52-week high$130.29