BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/B CUSIP: 084670702 Class: Common Stock

PROFESSIONAL ADVISORY SERVICES INC's Holding History (CIK: 0000894205)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 57,852 Value ($000) $29 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 45,595 Value ($000) $23 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 55,571 Value ($000) $27 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 54,236 Value ($000) $29 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 62,805 Value ($000) $28 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 64,347 Value ($000) $30 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 68,116 Value ($000) $28 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 68,183 Value ($000) $29 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 72,405 Value ($000) $26 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 71,071 Value ($000) $25 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 76,858 Value ($000) $26 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 79,734 Value ($000) $25 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 80,076 Value ($000) $25 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 85,971 Value ($000) $22,956 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 83,765 Value ($000) $22,870 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 78,852 Value ($000) $27,828 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 95,529 Value ($000) $28,563 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 94,901 Value ($000) $25,902 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 92,205 Value ($000) $25,626 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 96,092 Value ($000) $24,549 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 106,247 Value ($000) $24,635 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 106,368 Value ($000) $22,650 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 111,212 Value ($000) $19,852 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 98,773 Value ($000) $18,059 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 97,037 Value ($000) $21,979 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 97,315 Value ($000) $20,243 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 93,669 Value ($000) $19,967 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 92,354 Value ($000) $18,553 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 90,541 Value ($000) $18,487 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 93,073 Value ($000) $19,928 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 94,067 Value ($000) $17,558 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 92,319 Value ($000) $18,416 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 100,185 Value ($000) $19,859 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 105,298 Value ($000) $19,303 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 105,639 Value ($000) $17,892 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 107,476 Value ($000) $17,914 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 109,236 Value ($000) $17,803 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 118,719 Value ($000) $17,151 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 120,288 Value ($000) $17,416 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 120,525 Value ($000) $17,100 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 120,278 Value ($000) $15,882 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 88,806 Value ($000) $11,580 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 76,016 Value ($000) $10,347 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 74,761 Value ($000) $10,790 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 74,347 Value ($000) $11,163 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 75,817 Value ($000) $10,473 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 64,605 Value ($000) $8,176 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 64,554 Value ($000) $8,067 Avg Close $116.85 Range $108.12 - $125.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	57,852	$29	$497.53	$473.15 - $516.85
Q3 2025	45,595	$23	$484.36	$455.19 - $507.66
Q2 2025	55,571	$27	$507.86	$462.10 - $542.07
Q1 2025	54,236	$29	$486.15	$440.10 - $537.63
Q4 2024	62,805	$28	$461.73	$437.90 - $491.67
Q3 2024	64,347	$30	$442.18	$403.82 - $484.82
Q2 2024	68,116	$28	$408.62	$395.66 - $424.52
Q1 2024	68,183	$29	$393.34	$355.94 - $430.00
Q4 2023	72,405	$26	$350.99	$330.58 - $364.05
Q3 2023	71,071	$25	$354.77	$338.41 - $373.34
Q2 2023	76,858	$26	$326.37	$307.07 - $342.50
Q1 2023	79,734	$25	$308.18	$292.42 - $321.32
Q4 2022	80,076	$25	$296.98	$259.85 - $319.56
Q3 2022	85,971	$22,956	$284.56	$261.55 - $308.15
Q2 2022	83,765	$22,870	$313.72	$263.68 - $354.58
Q1 2022	78,852	$27,828	$323.46	$294.81 - $362.10
Q4 2021	95,529	$28,563	$286.41	$272.22 - $301.65
Q3 2021	94,901	$25,902	$280.86	$270.73 - $291.82
Q2 2021	92,205	$25,626	$279.44	$254.80 - $295.08
Q1 2021	96,092	$24,549	$242.84	$226.10 - $267.50
Q4 2020	106,247	$24,635	$220.20	$197.81 - $234.99
Q3 2020	106,368	$22,650	$204.56	$177.34 - $223.24
Q2 2020	111,212	$19,852	$182.62	$167.04 - $203.33
Q1 2020	98,773	$18,059	$212.55	$159.50 - $231.61
Q4 2019	97,037	$21,979	$217.17	$201.33 - $228.23
Q3 2019	97,315	$20,243	$206.04	$195.40 - $216.58
Q2 2019	93,669	$19,967	$206.92	$196.89 - $219.16
Q1 2019	92,354	$18,553	$201.85	$191.04 - $209.40
Q4 2018	90,541	$18,487	$208.87	$186.10 - $224.07
Q3 2018	93,073	$19,928	$205.18	$185.72 - $223.00
Q2 2018	94,067	$17,558	$194.92	$184.75 - $202.77
Q1 2018	92,319	$18,416	$205.34	$189.30 - $217.62
Q4 2017	100,185	$19,859	$189.88	$180.44 - $200.50
Q3 2017	105,298	$19,303	$176.72	$168.00 - $184.00
Q2 2017	105,639	$17,892	$166.33	$160.93 - $171.95
Q1 2017	107,476	$17,914	$167.31	$158.61 - $177.86
Q4 2016	109,236	$17,803	$153.96	$141.92 - $167.25
Q3 2016	118,719	$17,151	$146.25	$140.95 - $151.05
Q2 2016	120,288	$17,416	$142.96	$136.65 - $148.03
Q1 2016	120,525	$17,100	$132.58	$123.55 - $143.40
Q4 2015	120,278	$15,882	$134.20	$127.46 - $138.62
Q3 2015	88,806	$11,580	$137.00	$125.50 - $144.69
Q2 2015	76,016	$10,347	$142.63	$136.08 - $148.57
Q1 2015	74,761	$10,790	$147.14	$142.50 - $151.69
Q4 2014	74,347	$11,163	$144.37	$132.03 - $152.94
Q3 2014	75,817	$10,473	$133.21	$122.72 - $142.45
Q2 2014	64,605	$8,176	$126.57	$121.09 - $129.73
Q1 2014	64,554	$8,067	$116.85	$108.12 - $125.91