William Frels - Mairs & Power
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    245
Portfolio value:    $9,786,094,433
Holdings Activity Buys Sells    History
Holding/activity history for  Berkshire Hathaway CL B (BRK.B)
← All BRK.B superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2026   Q1 23,929 0.12 Reduce 3.73% <0.01 $467.21–512.13 · VW $488.21i $11,466,777 SEC
2025   Q4 24,857 0.12 Reduce 2.06% <0.01 $473.15–516.85 · VW $496.50i $12,494,371 SEC
2025   Q3 25,379 0.12 Reduce 2.73% <0.01 $455.19–507.66 · VW $487.69i $12,759,038 SEC
2025   Q2 26,092 0.13 Add 6.05% <0.01 $462.10–542.07 · VW $506.71i $12,674,711 SEC
2025   Q1 24,604 0.14 Reduce 5.34% <0.01 $440.10–537.63 · VW $494.44i $13,103,598 SEC
2024   Q4 25,993 0.11 Add 3.78% <0.01 $437.90–491.67 · VW $463.13i $11,782,107 SEC
2024   Q3 25,047 0.11 Reduce 5.05% <0.01 $403.82–484.82 · VW $449.48i $11,528,132 SEC
2024   Q2 26,379 0.10 Reduce 0.32% <0.01 $395.66–424.52 · VW $408.11i $10,730,977 SEC
2024   Q1 26,464 0.11 Add 8.87% <0.01 $355.94–430.00 · VW $398.72i $11,128,641 SEC
2023   Q4 24,308 0.09 Reduce 9.77% 0.01 $330.58–364.05 · VW $351.02i $8,669,691 SEC
2023   Q3 26,940 0.11 Add 4.35% <0.01 $338.41–373.34 · VW $354.76i $9,437,082 SEC
2023   Q2 25,816 0.10 Reduce 0.08% <0.01 $307.07–342.50 · VW $327.36i $8,803,256 SEC
2023   Q1 25,837 0.09 Add 14.29% 0.01 $292.42–321.32 · VW $307.92i $7,977,690 SEC
2022   Q4 22,607 0.08 Reduce 3.93% <0.01 $259.85–319.56 · VW $299.79i $6,983,302 SEC
2022   Q3 23,533 0.08 Reduce 0.38% <0.01 $261.55–308.15 · VW $283.92i $6,284,000 SEC
2022   Q2 23,623 0.08 Reduce 1.30% <0.01 $263.68–354.58 · VW $308.76i $6,450,000 SEC
2022   Q1 23,934 0.09 Add 0.94% <0.01 $294.81–362.10 · VW $324.35i $8,447,000 SEC
2021   Q4 23,712 0.07 Reduce 1.19% <0.01 $272.22–301.65 · VW $286.55i $7,090,000 SEC
2021   Q3 23,998 0.07 Reduce 0.95% <0.01 $270.73–291.82 · VW $279.39i $6,550,000 SEC
2021   Q2 24,228 0.07 Reduce 2.46% <0.01 $254.80–295.08 · VW $279.71i $6,733,000 SEC
2021   Q1 24,838 0.07 Reduce 6.37% <0.01 $226.10–267.50 · VW $243.28i $6,345,000 SEC
2020   Q4 26,529 0.07 Add 4.42% <0.01 $197.81–234.99 · VW $219.96i $6,151,000 SEC
2020   Q3 25,407 0.07 Reduce 0.94% <0.01 $177.34–223.24 · VW $204.41i $5,410,000 SEC
2020   Q2 25,647 0.06 Reduce 5.53% <0.01 $167.04–203.33 · VW $184.04i $4,578,000 SEC
2020   Q1 27,147 0.07 Add 16.38% <0.01 $159.50–231.61 · VW $199.14i $4,963,000 SEC
2019   Q4 23,327 0.06 Add 5.20% <0.01 $201.33–228.23 · VW $217.32i $5,284,000 SEC
2019   Q3 22,175 0.06 Reduce 0.99% <0.01 $195.40–216.58 · VW $205.69i $4,613,000 SEC
2019   Q2 22,396 0.06 Add 1.05% <0.01 $196.89–219.16 · VW $207.72i $4,774,000 SEC
2019   Q1 22,163 0.05 Reduce 0.76% <0.01 $191.04–209.40 · VW $202.08i $4,452,000 SEC
2018   Q4 22,333 0.06 $204.18 $4,560,000 SEC
2018   Q3 22,333 0.06 Add 2.13% <0.01 $185.72–223.00 · VW $205.31i $4,782,000 SEC
2018   Q2 21,867 0.05 Add 0.11% <0.01 $184.75–202.77 · VW $193.03i $4,081,000 SEC
2018   Q1 21,842 0.05 Add 34.46% 0.01 $189.30–217.62 · VW $204.97i $4,357,000 SEC
2017   Q4 16,244 0.04 Add 1.25% <0.01 $180.44–200.50 · VW $191.16i $3,220,000 SEC
2017   Q3 16,044 0.04 Add 10.31% <0.01 $168.00–184.00 · VW $177.67i $2,941,000 SEC
2017   Q2 14,544 0.03 Add 4.08% <0.01 $160.93–171.95 · VW $166.30i $2,463,000 SEC
2017   Q1 13,974 0.03 Add 1.45% <0.01 $158.61–177.86 · VW $167.41i $2,329,000 SEC
2016   Q4 13,774 0.03 Add 4.75% <0.01 $141.92–167.25 · VW $154.13i $2,245,000 SEC
2016   Q3 13,149 0.03 Reduce 7.05% <0.01 $140.95–151.05 · VW $146.19i $1,900,000 SEC
2016   Q2 14,147 0.03 Add 3.13% <0.01 $136.65–148.03 · VW $143.07i $2,048,000 SEC
2016   Q1 13,717 0.03 Reduce 0.51% <0.01 $123.55–143.40 · VW $132.73i $1,946,000 SEC
2015   Q4 13,788 0.03 Add 1.10% <0.01 $127.46–138.62 · VW $133.71i $1,821,000 SEC
2015   Q3 13,638 0.03 Reduce 0.62% <0.01 $125.50–144.69 · VW $134.80i $1,778,000 SEC
2015   Q2 13,723 0.03 Reduce 5.05% <0.01 $136.08–148.57 · VW $141.55i $1,868,000 SEC
2015   Q1 14,453 0.03 Reduce 0.69% <0.01 $142.50–151.69 · VW $146.22i $2,086,000 SEC
2014   Q4 14,553 0.03 Reduce 7.97% <0.01 $132.03–152.94 · VW $143.93i $2,185,000 SEC
2014   Q3 15,814 0.03 Add 4.98% <0.01 $122.72–142.45 · VW $133.30i $2,185,000 SEC
2014   Q2 15,064 0.03 Reduce 12.32% <0.01 $121.09–129.73 · VW $126.85i $1,906,000 SEC
2014   Q1 17,181 0.03 Add 10.68% <0.01 $108.12–125.91 · VW $116.52i $2,147,000 SEC
2013   Q4 15,523 0.03 Add 6.52% <0.01 $110.84–118.66 · VW $115.70i $1,840,000 SEC
2013   Q3 14,573 0.03 Reduce 3.31% <0.01 $110.72–119.30 · VW $114.45i $1,654,000 SEC
2013   Q2 15,072 0.03 Add 7.01% <0.01 $102.69–115.98 · VW $110.10i $1,687,000 SEC
2013   Q1 14,085 0.01 Add 17.87% <0.01 $91.29–104.48 · VW $99.22i $1,468,000 SEC
2012   Q4 11,950 0.03 Reduce 10.18% <0.01 $83.85–90.93 · VW $88.02i $1,072,000 SEC
2012   Q3 13,305 0.03 $88.24 $1,174,000 SEC
2012   Q2 13,305 0.03 Reduce 0.75% <0.01 $78.21–83.33 · VW $80.68i $1,109,000 SEC
2012   Q1 13,405 0.03 Add 0.75% <0.01 $75.86–82.47 · VW $79.25i $1,088,000 SEC
2011   Q4 13,305 0.03 Reduce 16.08% <0.01 $69.07–80.58 · VW $76.27i $1,015,000 SEC
2011   Q3 15,855 0.04 Add 0.63% <0.01 $65.35–78.19 · VW $71.93i $1,126,000 SEC
2011   Q2 15,755 0.02 Reduce 5.97% <0.01 $73.23–84.09 · VW $79.14i $1,219,000 SEC
2011   Q1 16,755 0.04 Reduce 0.12% $79.14–87.65 · VW $83.67i $1,401,000 SEC
2010   Q4 16,775 0.04 Reduce 2.57% <0.01 $78.72–84.45 · VW $80.71i $1,344,000 SEC
2010   Q3 17,217 0.02 $82,681.25 $1,423,523,000 SEC
2010   Q2 17,217 0.05 Add 2.35% <0.01 $68.48–81.95 · VW $76.17i $1,372,044,000 SEC
2010   Q1 16,821 0.02 Add 17.63% <0.01 $64.72–83.57 · VW $77.42i $1,367,064,000 SEC
2009   Q4 14,300 0.01 Buy 0.01 $64.22–70.00 · VW $66.45i $939,945,000 SEC
Price snapshot:
Current price$496.85
Avg. buy price$13,292.73
+/- since buy-96.26%
52-week low$455.19
52-week high$516.85