BERKSHIRE HATHAWAY INC DEL

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

Birch Hill Investment Advisors LLC's Holding History (CIK: 0001424177)

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

Q4 2025

Shares 216,785 Value ($000) $108,967 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 217,830 Value ($000) $109,512 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 219,128 Value ($000) $106,446 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 224,881 Value ($000) $119,767 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 231,999 Value ($000) $105,161 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 230,466 Value ($000) $106,074 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 231,903 Value ($000) $94,338 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 233,167 Value ($000) $98,051 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 237,179 Value ($000) $84,592 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 238,224 Value ($000) $83,450 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 241,745 Value ($000) $82,435 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 245,651 Value ($000) $75,850 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 257,017 Value ($000) $79,393 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 254,793 Value ($000) $68,035 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 264,333 Value ($000) $72,168 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 269,399 Value ($000) $95,074 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 284,280 Value ($000) $85,000 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 286,789 Value ($000) $78,276 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 287,365 Value ($000) $79,864 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 287,455 Value ($000) $73,436 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 285,191 Value ($000) $66,127 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 284,386 Value ($000) $60,557 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 287,135 Value ($000) $51,256 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 283,419 Value ($000) $51,818 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 275,054 Value ($000) $62,300 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 250,753 Value ($000) $52,161 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 38,444 Value ($000) $8,195 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 39,294 Value ($000) $7,894 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 39,444 Value ($000) $8,054 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 39,380 Value ($000) $8,432 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 39,312 Value ($000) $7,338 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 39,262 Value ($000) $7,832 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 37,684 Value ($000) $7,470 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 36,999 Value ($000) $6,783 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 37,519 Value ($000) $6,355 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 37,719 Value ($000) $6,287 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 41,444 Value ($000) $6,755 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 41,805 Value ($000) $6,040 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 43,886 Value ($000) $6,354 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 41,402 Value ($000) $5,874 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 42,512 Value ($000) $5,613 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 42,648 Value ($000) $5,561 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 43,498 Value ($000) $5,920 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 45,603 Value ($000) $6,582 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 49,328 Value ($000) $7,406 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 53,398 Value ($000) $7,376 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 108,845 Value ($000) $13,776 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 156,145 Value ($000) $19,514 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 159,460 Value ($000) $18,905 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 168,935 Value ($000) $19,176 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 171,710 Value ($000) $19,218 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	216,785	$108,967	$497.53	$473.15 - $516.85
Q3 2025	217,830	$109,512	$484.36	$455.19 - $507.66
Q2 2025	219,128	$106,446	$507.86	$462.10 - $542.07
Q1 2025	224,881	$119,767	$486.15	$440.10 - $537.63
Q4 2024	231,999	$105,161	$461.73	$437.90 - $491.67
Q3 2024	230,466	$106,074	$442.18	$403.82 - $484.82
Q2 2024	231,903	$94,338	$408.62	$395.66 - $424.52
Q1 2024	233,167	$98,051	$393.34	$355.94 - $430.00
Q4 2023	237,179	$84,592	$350.99	$330.58 - $364.05
Q3 2023	238,224	$83,450	$354.77	$338.41 - $373.34
Q2 2023	241,745	$82,435	$326.37	$307.07 - $342.50
Q1 2023	245,651	$75,850	$308.18	$292.42 - $321.32
Q4 2022	257,017	$79,393	$296.98	$259.85 - $319.56
Q3 2022	254,793	$68,035	$284.56	$261.55 - $308.15
Q2 2022	264,333	$72,168	$313.72	$263.68 - $354.58
Q1 2022	269,399	$95,074	$323.46	$294.81 - $362.10
Q4 2021	284,280	$85,000	$286.41	$272.22 - $301.65
Q3 2021	286,789	$78,276	$280.86	$270.73 - $291.82
Q2 2021	287,365	$79,864	$279.44	$254.80 - $295.08
Q1 2021	287,455	$73,436	$242.84	$226.10 - $267.50
Q4 2020	285,191	$66,127	$220.20	$197.81 - $234.99
Q3 2020	284,386	$60,557	$204.56	$177.34 - $223.24
Q2 2020	287,135	$51,256	$182.62	$167.04 - $203.33
Q1 2020	283,419	$51,818	$212.55	$159.50 - $231.61
Q4 2019	275,054	$62,300	$217.17	$201.33 - $228.23
Q3 2019	250,753	$52,161	$206.04	$195.40 - $216.58
Q2 2019	38,444	$8,195	$206.92	$196.89 - $219.16
Q1 2019	39,294	$7,894	$201.85	$191.04 - $209.40
Q4 2018	39,444	$8,054	$208.87	$186.10 - $224.07
Q3 2018	39,380	$8,432	$205.18	$185.72 - $223.00
Q2 2018	39,312	$7,338	$194.92	$184.75 - $202.77
Q1 2018	39,262	$7,832	$205.34	$189.30 - $217.62
Q4 2017	37,684	$7,470	$189.88	$180.44 - $200.50
Q3 2017	36,999	$6,783	$176.72	$168.00 - $184.00
Q2 2017	37,519	$6,355	$166.33	$160.93 - $171.95
Q1 2017	37,719	$6,287	$167.31	$158.61 - $177.86
Q4 2016	41,444	$6,755	$153.96	$141.92 - $167.25
Q3 2016	41,805	$6,040	$146.25	$140.95 - $151.05
Q2 2016	43,886	$6,354	$142.96	$136.65 - $148.03
Q1 2016	41,402	$5,874	$132.58	$123.55 - $143.40
Q4 2015	42,512	$5,613	$134.20	$127.46 - $138.62
Q3 2015	42,648	$5,561	$137.00	$125.50 - $144.69
Q2 2015	43,498	$5,920	$142.63	$136.08 - $148.57
Q1 2015	45,603	$6,582	$147.14	$142.50 - $151.69
Q4 2014	49,328	$7,406	$144.37	$132.03 - $152.94
Q3 2014	53,398	$7,376	$133.21	$122.72 - $142.45
Q2 2014	108,845	$13,776	$126.57	$121.09 - $129.73
Q1 2014	156,145	$19,514	$116.85	$108.12 - $125.91
Q4 2013	159,460	$18,905	$115.63	$110.84 - $118.66
Q3 2013	168,935	$19,176	$115.36	$110.72 - $119.30
Q2 2013	171,710	$19,218	$110.02	$102.69 - $115.98