BERKSHIRE HATHAWAY INC DEL

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

Tortoise Investment Management, LLC's Holding History (CIK: 0001599511)

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

Q4 2025

Shares 18,508 Value ($000) $9,303 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 18,534 Value ($000) $9,318 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 18,528 Value ($000) $9,000 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 18,069 Value ($000) $9,623 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 18,523 Value ($000) $8,396 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 18,904 Value ($000) $8,701 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 18,561 Value ($000) $7,551 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 17,893 Value ($000) $7,524 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 17,833 Value ($000) $6,360 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 17,921 Value ($000) $6,278 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 17,939 Value ($000) $6,117 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 17,837 Value ($000) $5,508 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 17,842 Value ($000) $5,511 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 17,920 Value ($000) $4,785 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 17,828 Value ($000) $4,867 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 17,896 Value ($000) $6,316 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 18,058 Value ($000) $5,399 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 17,774 Value ($000) $4,851 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 17,934 Value ($000) $4,984 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 18,213 Value ($000) $4,653 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 18,596 Value ($000) $4,312 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 18,613 Value ($000) $3,963 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 18,653 Value ($000) $3,330 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 19,260 Value ($000) $3,521 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 19,465 Value ($000) $4,409 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 19,404 Value ($000) $4,036 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 19,604 Value ($000) $4,179 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 19,354 Value ($000) $3,888 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 16,717 Value ($000) $3,413 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 16,890 Value ($000) $3,616 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 16,970 Value ($000) $3,167 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 16,795 Value ($000) $3,350 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 16,882 Value ($000) $3,346 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 16,337 Value ($000) $2,995 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 16,337 Value ($000) $2,767 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 16,587 Value ($000) $2,765 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 17,828 Value ($000) $2,906 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 17,980 Value ($000) $2,598 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 18,800 Value ($000) $2,722 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 18,325 Value ($000) $2,600 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 19,029 Value ($000) $2,513 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 19,094 Value ($000) $2,490 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 19,129 Value ($000) $2,604 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 19,129 Value ($000) $2,761 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 19,975 Value ($000) $2,999 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 20,118 Value ($000) $2,779 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 18,868 Value ($000) $2,388 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 18,668 Value ($000) $2,333 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 18,668 Value ($000) $2,213 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 18,668 Value ($000) $2,119 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 18,818 Value ($000) $2,106 Avg Close $110.02 Range $102.69 - $115.98

Q1 2013

Shares 18,768 Value ($000) $1,956 Avg Close $99.00 Range $91.29 - $104.48

Q4 2012

Shares 19,268 Value ($000) $1,728 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,508	$9,303	$497.53	$473.15 - $516.85
Q3 2025	18,534	$9,318	$484.36	$455.19 - $507.66
Q2 2025	18,528	$9,000	$507.86	$462.10 - $542.07
Q1 2025	18,069	$9,623	$486.15	$440.10 - $537.63
Q4 2024	18,523	$8,396	$461.73	$437.90 - $491.67
Q3 2024	18,904	$8,701	$442.18	$403.82 - $484.82
Q2 2024	18,561	$7,551	$408.62	$395.66 - $424.52
Q1 2024	17,893	$7,524	$393.34	$355.94 - $430.00
Q4 2023	17,833	$6,360	$350.99	$330.58 - $364.05
Q3 2023	17,921	$6,278	$354.77	$338.41 - $373.34
Q2 2023	17,939	$6,117	$326.37	$307.07 - $342.50
Q1 2023	17,837	$5,508	$308.18	$292.42 - $321.32
Q4 2022	17,842	$5,511	$296.98	$259.85 - $319.56
Q3 2022	17,920	$4,785	$284.56	$261.55 - $308.15
Q2 2022	17,828	$4,867	$313.72	$263.68 - $354.58
Q1 2022	17,896	$6,316	$323.46	$294.81 - $362.10
Q4 2021	18,058	$5,399	$286.41	$272.22 - $301.65
Q3 2021	17,774	$4,851	$280.86	$270.73 - $291.82
Q2 2021	17,934	$4,984	$279.44	$254.80 - $295.08
Q1 2021	18,213	$4,653	$242.84	$226.10 - $267.50
Q4 2020	18,596	$4,312	$220.20	$197.81 - $234.99
Q3 2020	18,613	$3,963	$204.56	$177.34 - $223.24
Q2 2020	18,653	$3,330	$182.62	$167.04 - $203.33
Q1 2020	19,260	$3,521	$212.55	$159.50 - $231.61
Q4 2019	19,465	$4,409	$217.17	$201.33 - $228.23
Q3 2019	19,404	$4,036	$206.04	$195.40 - $216.58
Q2 2019	19,604	$4,179	$206.92	$196.89 - $219.16
Q1 2019	19,354	$3,888	$201.85	$191.04 - $209.40
Q4 2018	16,717	$3,413	$208.87	$186.10 - $224.07
Q3 2018	16,890	$3,616	$205.18	$185.72 - $223.00
Q2 2018	16,970	$3,167	$194.92	$184.75 - $202.77
Q1 2018	16,795	$3,350	$205.34	$189.30 - $217.62
Q4 2017	16,882	$3,346	$189.88	$180.44 - $200.50
Q3 2017	16,337	$2,995	$176.72	$168.00 - $184.00
Q2 2017	16,337	$2,767	$166.33	$160.93 - $171.95
Q1 2017	16,587	$2,765	$167.31	$158.61 - $177.86
Q4 2016	17,828	$2,906	$153.96	$141.92 - $167.25
Q3 2016	17,980	$2,598	$146.25	$140.95 - $151.05
Q2 2016	18,800	$2,722	$142.96	$136.65 - $148.03
Q1 2016	18,325	$2,600	$132.58	$123.55 - $143.40
Q4 2015	19,029	$2,513	$134.20	$127.46 - $138.62
Q3 2015	19,094	$2,490	$137.00	$125.50 - $144.69
Q2 2015	19,129	$2,604	$142.63	$136.08 - $148.57
Q1 2015	19,129	$2,761	$147.14	$142.50 - $151.69
Q4 2014	19,975	$2,999	$144.37	$132.03 - $152.94
Q3 2014	20,118	$2,779	$133.21	$122.72 - $142.45
Q2 2014	18,868	$2,388	$126.57	$121.09 - $129.73
Q1 2014	18,668	$2,333	$116.85	$108.12 - $125.91
Q4 2013	18,668	$2,213	$115.63	$110.84 - $118.66
Q3 2013	18,668	$2,119	$115.36	$110.72 - $119.30
Q2 2013	18,818	$2,106	$110.02	$102.69 - $115.98
Q1 2013	18,768	$1,956	$99.00	$91.29 - $104.48
Q4 2012	19,268	$1,728	—	—