BERKSHIRE HATHAWAY INC DEL

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

ADIRONDACK TRUST CO's Holding History (CIK: 0001054257)

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

Q4 2025

Shares 9,746 Value ($000) $4,899 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 10,066 Value ($000) $5,060 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 9,975 Value ($000) $4,845 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 9,048 Value ($000) $4,819 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 9,119 Value ($000) $4,133 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 9,154 Value ($000) $4,213 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 9,155 Value ($000) $3,724 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 9,364 Value ($000) $3,938 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 9,446 Value ($000) $3,867 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 9,681 Value ($000) $3,391 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 9,782 Value ($000) $3,443 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 9,754 Value ($000) $3,012 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 9,841 Value ($000) $3,040 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 9,778 Value ($000) $2,611 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 9,672 Value ($000) $2,640 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 9,513 Value ($000) $3,357 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 8,749 Value ($000) $2,615 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 8,894 Value ($000) $2,553 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 8,898 Value ($000) $2,473 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 8,822 Value ($000) $2,254 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 8,052 Value ($000) $1,835 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 7,421 Value ($000) $1,580 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 7,476 Value ($000) $1,464 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 7,716 Value ($000) $1,410 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 7,321 Value ($000) $1,643 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 7,206 Value ($000) $1,499 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 7,360 Value ($000) $1,569 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 7,081 Value ($000) $1,534 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 7,001 Value ($000) $1,430 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 6,980 Value ($000) $1,494 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 7,103 Value ($000) $1,326 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 7,143 Value ($000) $1,384 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 6,668 Value ($000) $1,322 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 6,623 Value ($000) $1,214 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 6,663 Value ($000) $1,129 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 6,758 Value ($000) $1,126 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 6,738 Value ($000) $1,098 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 6,303 Value ($000) $911 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 5,777 Value ($000) $836 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 5,988 Value ($000) $850 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 6,103 Value ($000) $792 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 6,367 Value ($000) $830 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 6,207 Value ($000) $845 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 5,902 Value ($000) $851 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 5,842 Value ($000) $877 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 4,917 Value ($000) $679 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 4,805 Value ($000) $608 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 4,495 Value ($000) $562 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 4,500 Value ($000) $533 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 4,500 Value ($000) $511 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 4,290 Value ($000) $481 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,746	$4,899	$497.53	$473.15 - $516.85
Q3 2025	10,066	$5,060	$484.36	$455.19 - $507.66
Q2 2025	9,975	$4,845	$507.86	$462.10 - $542.07
Q1 2025	9,048	$4,819	$486.15	$440.10 - $537.63
Q4 2024	9,119	$4,133	$461.73	$437.90 - $491.67
Q3 2024	9,154	$4,213	$442.18	$403.82 - $484.82
Q2 2024	9,155	$3,724	$408.62	$395.66 - $424.52
Q1 2024	9,364	$3,938	$393.34	$355.94 - $430.00
Q4 2023	9,446	$3,867	$350.99	$330.58 - $364.05
Q3 2023	9,681	$3,391	$354.77	$338.41 - $373.34
Q2 2023	9,782	$3,443	$326.37	$307.07 - $342.50
Q1 2023	9,754	$3,012	$308.18	$292.42 - $321.32
Q4 2022	9,841	$3,040	$296.98	$259.85 - $319.56
Q3 2022	9,778	$2,611	$284.56	$261.55 - $308.15
Q2 2022	9,672	$2,640	$313.72	$263.68 - $354.58
Q1 2022	9,513	$3,357	$323.46	$294.81 - $362.10
Q4 2021	8,749	$2,615	$286.41	$272.22 - $301.65
Q3 2021	8,894	$2,553	$280.86	$270.73 - $291.82
Q2 2021	8,898	$2,473	$279.44	$254.80 - $295.08
Q1 2021	8,822	$2,254	$242.84	$226.10 - $267.50
Q4 2020	8,052	$1,835	$220.20	$197.81 - $234.99
Q3 2020	7,421	$1,580	$204.56	$177.34 - $223.24
Q2 2020	7,476	$1,464	$182.62	$167.04 - $203.33
Q1 2020	7,716	$1,410	$212.55	$159.50 - $231.61
Q4 2019	7,321	$1,643	$217.17	$201.33 - $228.23
Q3 2019	7,206	$1,499	$206.04	$195.40 - $216.58
Q2 2019	7,360	$1,569	$206.92	$196.89 - $219.16
Q1 2019	7,081	$1,534	$201.85	$191.04 - $209.40
Q4 2018	7,001	$1,430	$208.87	$186.10 - $224.07
Q3 2018	6,980	$1,494	$205.18	$185.72 - $223.00
Q2 2018	7,103	$1,326	$194.92	$184.75 - $202.77
Q1 2018	7,143	$1,384	$205.34	$189.30 - $217.62
Q4 2017	6,668	$1,322	$189.88	$180.44 - $200.50
Q3 2017	6,623	$1,214	$176.72	$168.00 - $184.00
Q2 2017	6,663	$1,129	$166.33	$160.93 - $171.95
Q1 2017	6,758	$1,126	$167.31	$158.61 - $177.86
Q4 2016	6,738	$1,098	$153.96	$141.92 - $167.25
Q3 2016	6,303	$911	$146.25	$140.95 - $151.05
Q2 2016	5,777	$836	$142.96	$136.65 - $148.03
Q1 2016	5,988	$850	$132.58	$123.55 - $143.40
Q4 2015	6,103	$792	$134.20	$127.46 - $138.62
Q3 2015	6,367	$830	$137.00	$125.50 - $144.69
Q2 2015	6,207	$845	$142.63	$136.08 - $148.57
Q1 2015	5,902	$851	$147.14	$142.50 - $151.69
Q4 2014	5,842	$877	$144.37	$132.03 - $152.94
Q3 2014	4,917	$679	$133.21	$122.72 - $142.45
Q2 2014	4,805	$608	$126.57	$121.09 - $129.73
Q1 2014	4,495	$562	$116.85	$108.12 - $125.91
Q4 2013	4,500	$533	$115.63	$110.84 - $118.66
Q3 2013	4,500	$511	$115.36	$110.72 - $119.30
Q2 2013	4,290	$481	$110.02	$102.69 - $115.98