BERKSHIRE HATHAWAY INC DEL

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

FLAGSHIP HARBOR ADVISORS, LLC's Holding History (CIK: 0001691766)

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

Q4 2025

Shares 28,010 Value ($000) $14,079 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 28,119 Value ($000) $14,136 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 29,186 Value ($000) $14,178 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 31,987 Value ($000) $17,036 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 18,700 Value ($000) $8,476 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 17,373 Value ($000) $7,996 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 17,505 Value ($000) $7,121 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 15,665 Value ($000) $6,587 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 16,853 Value ($000) $6,011 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 13,428 Value ($000) $4,704 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 13,437 Value ($000) $4,582 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 13,172 Value ($000) $4,067 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 13,276 Value ($000) $4,101 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 13,478 Value ($000) $3,599 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 13,584 Value ($000) $3,709 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 13,171 Value ($000) $4,648 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 12,009 Value ($000) $3,591 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 11,949 Value ($000) $3,321 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 11,949 Value ($000) $3,321 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 14,500 Value ($000) $3,704 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 14,016 Value ($000) $3,250 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 13,675 Value ($000) $2,911 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 13,936 Value ($000) $2,487 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 13,850 Value ($000) $2,532 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 11,353 Value ($000) $2,571 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 10,929 Value ($000) $2,273 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 10,516 Value ($000) $2,241 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 10,708 Value ($000) $2,151 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 9,299 Value ($000) $1,898 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 9,047 Value ($000) $1,943 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 8,796 Value ($000) $1,641 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 8,902 Value ($000) $1,740 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 8,202 Value ($000) $1,660 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 8,018 Value ($000) $1,506 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 8,063 Value ($000) $1,373 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 8,063 Value ($000) $1,336 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 6,031 Value ($000) $964 Avg Close $153.96 Range $141.92 - $167.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,010	$14,079	$497.53	$473.15 - $516.85
Q3 2025	28,119	$14,136	$484.36	$455.19 - $507.66
Q2 2025	29,186	$14,178	$507.86	$462.10 - $542.07
Q1 2025	31,987	$17,036	$486.15	$440.10 - $537.63
Q4 2024	18,700	$8,476	$461.73	$437.90 - $491.67
Q3 2024	17,373	$7,996	$442.18	$403.82 - $484.82
Q2 2024	17,505	$7,121	$408.62	$395.66 - $424.52
Q1 2024	15,665	$6,587	$393.34	$355.94 - $430.00
Q4 2023	16,853	$6,011	$350.99	$330.58 - $364.05
Q3 2023	13,428	$4,704	$354.77	$338.41 - $373.34
Q2 2023	13,437	$4,582	$326.37	$307.07 - $342.50
Q1 2023	13,172	$4,067	$308.18	$292.42 - $321.32
Q4 2022	13,276	$4,101	$296.98	$259.85 - $319.56
Q3 2022	13,478	$3,599	$284.56	$261.55 - $308.15
Q2 2022	13,584	$3,709	$313.72	$263.68 - $354.58
Q1 2022	13,171	$4,648	$323.46	$294.81 - $362.10
Q4 2021	12,009	$3,591	$286.41	$272.22 - $301.65
Q3 2021	11,949	$3,321	$280.86	$270.73 - $291.82
Q2 2021	11,949	$3,321	$279.44	$254.80 - $295.08
Q1 2021	14,500	$3,704	$242.84	$226.10 - $267.50
Q4 2020	14,016	$3,250	$220.20	$197.81 - $234.99
Q3 2020	13,675	$2,911	$204.56	$177.34 - $223.24
Q2 2020	13,936	$2,487	$182.62	$167.04 - $203.33
Q1 2020	13,850	$2,532	$212.55	$159.50 - $231.61
Q4 2019	11,353	$2,571	$217.17	$201.33 - $228.23
Q3 2019	10,929	$2,273	$206.04	$195.40 - $216.58
Q2 2019	10,516	$2,241	$206.92	$196.89 - $219.16
Q1 2019	10,708	$2,151	$201.85	$191.04 - $209.40
Q4 2018	9,299	$1,898	$208.87	$186.10 - $224.07
Q3 2018	9,047	$1,943	$205.18	$185.72 - $223.00
Q2 2018	8,796	$1,641	$194.92	$184.75 - $202.77
Q1 2018	8,902	$1,740	$205.34	$189.30 - $217.62
Q4 2017	8,202	$1,660	$189.88	$180.44 - $200.50
Q3 2017	8,018	$1,506	$176.72	$168.00 - $184.00
Q2 2017	8,063	$1,373	$166.33	$160.93 - $171.95
Q1 2017	8,063	$1,336	$167.31	$158.61 - $177.86
Q4 2016	6,031	$964	$153.96	$141.92 - $167.25