BERKSHIRE HATHAWAY INC DEL

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

SIGMA INVESTMENT COUNSELORS INC's Holding History (CIK: 0001085163)

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

Q4 2025

Shares 4,789 Value ($000) $2,407 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 4,807 Value ($000) $2,417 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 4,811 Value ($000) $2,337 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 4,104 Value ($000) $2,185 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 4,554 Value ($000) $2,064 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 4,616 Value ($000) $2,124 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 4,108 Value ($000) $1,671 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 4,116 Value ($000) $1,731 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 3,873 Value ($000) $1,381 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 3,833 Value ($000) $1,343 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 3,807 Value ($000) $1,298 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 3,777 Value ($000) $1,166 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 3,777 Value ($000) $1,167 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 3,394 Value ($000) $906 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 3,394 Value ($000) $927 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 3,400 Value ($000) $1,200 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 3,375 Value ($000) $1,009 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 3,292 Value ($000) $899 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 3,281 Value ($000) $912 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 3,281 Value ($000) $838 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 3,441 Value ($000) $798 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 2,190 Value ($000) $466 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 3,108 Value ($000) $555 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 3,222 Value ($000) $589 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 3,297 Value ($000) $747 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 3,069 Value ($000) $638 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 3,751 Value ($000) $800 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 3,704 Value ($000) $744 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 4,979 Value ($000) $1,017 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 5,026 Value ($000) $1,076 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 4,666 Value ($000) $871 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 4,786 Value ($000) $955 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 5,001 Value ($000) $991 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 9,986 Value ($000) $1,831 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 10,061 Value ($000) $1,704 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 9,961 Value ($000) $1,660 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 5,432 Value ($000) $885 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 5,432 Value ($000) $785 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 6,182 Value ($000) $895 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 6,107 Value ($000) $866 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 6,685 Value ($000) $883 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 6,985 Value ($000) $911 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 6,855 Value ($000) $933 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 6,855 Value ($000) $989 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 7,255 Value ($000) $1,089 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 7,255 Value ($000) $1,002 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 7,255 Value ($000) $918 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 7,555 Value ($000) $944 Avg Close $116.85 Range $108.12 - $125.91

Q3 2013

Shares 8,235 Value ($000) $935 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 8,235 Value ($000) $922 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,789	$2,407	$497.53	$473.15 - $516.85
Q3 2025	4,807	$2,417	$484.36	$455.19 - $507.66
Q2 2025	4,811	$2,337	$507.86	$462.10 - $542.07
Q1 2025	4,104	$2,185	$486.15	$440.10 - $537.63
Q4 2024	4,554	$2,064	$461.73	$437.90 - $491.67
Q3 2024	4,616	$2,124	$442.18	$403.82 - $484.82
Q2 2024	4,108	$1,671	$408.62	$395.66 - $424.52
Q1 2024	4,116	$1,731	$393.34	$355.94 - $430.00
Q4 2023	3,873	$1,381	$350.99	$330.58 - $364.05
Q3 2023	3,833	$1,343	$354.77	$338.41 - $373.34
Q2 2023	3,807	$1,298	$326.37	$307.07 - $342.50
Q1 2023	3,777	$1,166	$308.18	$292.42 - $321.32
Q4 2022	3,777	$1,167	$296.98	$259.85 - $319.56
Q3 2022	3,394	$906	$284.56	$261.55 - $308.15
Q2 2022	3,394	$927	$313.72	$263.68 - $354.58
Q1 2022	3,400	$1,200	$323.46	$294.81 - $362.10
Q4 2021	3,375	$1,009	$286.41	$272.22 - $301.65
Q3 2021	3,292	$899	$280.86	$270.73 - $291.82
Q2 2021	3,281	$912	$279.44	$254.80 - $295.08
Q1 2021	3,281	$838	$242.84	$226.10 - $267.50
Q4 2020	3,441	$798	$220.20	$197.81 - $234.99
Q3 2020	2,190	$466	$204.56	$177.34 - $223.24
Q2 2020	3,108	$555	$182.62	$167.04 - $203.33
Q1 2020	3,222	$589	$212.55	$159.50 - $231.61
Q4 2019	3,297	$747	$217.17	$201.33 - $228.23
Q3 2019	3,069	$638	$206.04	$195.40 - $216.58
Q2 2019	3,751	$800	$206.92	$196.89 - $219.16
Q1 2019	3,704	$744	$201.85	$191.04 - $209.40
Q4 2018	4,979	$1,017	$208.87	$186.10 - $224.07
Q3 2018	5,026	$1,076	$205.18	$185.72 - $223.00
Q2 2018	4,666	$871	$194.92	$184.75 - $202.77
Q1 2018	4,786	$955	$205.34	$189.30 - $217.62
Q4 2017	5,001	$991	$189.88	$180.44 - $200.50
Q3 2017	9,986	$1,831	$176.72	$168.00 - $184.00
Q2 2017	10,061	$1,704	$166.33	$160.93 - $171.95
Q1 2017	9,961	$1,660	$167.31	$158.61 - $177.86
Q4 2016	5,432	$885	$153.96	$141.92 - $167.25
Q3 2016	5,432	$785	$146.25	$140.95 - $151.05
Q2 2016	6,182	$895	$142.96	$136.65 - $148.03
Q1 2016	6,107	$866	$132.58	$123.55 - $143.40
Q4 2015	6,685	$883	$134.20	$127.46 - $138.62
Q3 2015	6,985	$911	$137.00	$125.50 - $144.69
Q2 2015	6,855	$933	$142.63	$136.08 - $148.57
Q1 2015	6,855	$989	$147.14	$142.50 - $151.69
Q4 2014	7,255	$1,089	$144.37	$132.03 - $152.94
Q3 2014	7,255	$1,002	$133.21	$122.72 - $142.45
Q2 2014	7,255	$918	$126.57	$121.09 - $129.73
Q1 2014	7,555	$944	$116.85	$108.12 - $125.91
Q3 2013	8,235	$935	$115.36	$110.72 - $119.30
Q2 2013	8,235	$922	$110.02	$102.69 - $115.98