BERKSHIRE HATHAWAY INC DEL

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

TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY's Holding History (CIK: 0000714142)

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

Q4 2025

Shares 143,766 Value ($000) $72 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 143,766 Value ($000) $72 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 143,766 Value ($000) $70 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 141,615 Value ($000) $75 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 135,940 Value ($000) $62 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 138,372 Value ($000) $64 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 145,888 Value ($000) $59 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 150,044 Value ($000) $63 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 156,450 Value ($000) $56 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 162,272 Value ($000) $57 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 162,272 Value ($000) $55 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 171,739 Value ($000) $53 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 171,739 Value ($000) $53 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 171,739 Value ($000) $45,858 Avg Close $284.56 Range $261.55 - $308.15

Q1 2022

Shares 131,040 Value ($000) $46,245 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 136,743 Value ($000) $40,886 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 147,143 Value ($000) $40,161 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 149,143 Value ($000) $41,450 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 149,143 Value ($000) $38,102 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 160,143 Value ($000) $37,132 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 174,343 Value ($000) $37,125 Avg Close $204.56 Range $177.34 - $223.24

Q2 2020

Shares 184,056 Value ($000) $32,856 Avg Close $182.62 Range $167.04 - $203.33

Q1 2020

Shares 205,006 Value ($000) $37,481 Avg Close $212.55 Range $159.50 - $231.61

Q4 2019

Shares 195,706 Value ($000) $44,327 Avg Close $217.17 Range $201.33 - $228.23

Q3 2019

Shares 192,206 Value ($000) $39,983 Avg Close $206.04 Range $195.40 - $216.58

Q2 2019

Shares 185,306 Value ($000) $39,502 Avg Close $206.92 Range $196.89 - $219.16

Q1 2019

Shares 198,556 Value ($000) $39,888 Avg Close $201.85 Range $191.04 - $209.40

Q4 2018

Shares 211,056 Value ($000) $43,093 Avg Close $208.87 Range $186.10 - $224.07

Q3 2018

Shares 188,856 Value ($000) $40,436 Avg Close $205.18 Range $185.72 - $223.00

Q2 2018

Shares 212,606 Value ($000) $39,683 Avg Close $194.92 Range $184.75 - $202.77

Q1 2018

Shares 210,106 Value ($000) $41,912 Avg Close $205.34 Range $189.30 - $217.62

Q4 2017

Shares 210,056 Value ($000) $41,637 Avg Close $189.88 Range $180.44 - $200.50

Q3 2017

Shares 209,056 Value ($000) $38,324 Avg Close $176.72 Range $168.00 - $184.00

Q2 2017

Shares 209,056 Value ($000) $35,408 Avg Close $166.33 Range $160.93 - $171.95

Q1 2017

Shares 215,306 Value ($000) $35,887 Avg Close $167.31 Range $158.61 - $177.86

Q4 2016

Shares 233,306 Value ($000) $38,024 Avg Close $153.96 Range $141.92 - $167.25

Q3 2016

Shares 244,906 Value ($000) $35,382 Avg Close $146.25 Range $140.95 - $151.05

Q2 2016

Shares 244,906 Value ($000) $35,460 Avg Close $142.96 Range $136.65 - $148.03

Q1 2016

Shares 253,106 Value ($000) $35,911 Avg Close $132.58 Range $123.55 - $143.40

Q4 2015

Shares 250,406 Value ($000) $33,064 Avg Close $134.20 Range $127.46 - $138.62

Q3 2015

Shares 251,106 Value ($000) $32,744 Avg Close $137.00 Range $125.50 - $144.69

Q2 2015

Shares 251,106 Value ($000) $34,178 Avg Close $142.63 Range $136.08 - $148.57

Q1 2015

Shares 267,606 Value ($000) $38,621 Avg Close $147.14 Range $142.50 - $151.69

Q4 2014

Shares 278,806 Value ($000) $41,863 Avg Close $144.37 Range $132.03 - $152.94

Q3 2014

Shares 277,906 Value ($000) $38,390 Avg Close $133.21 Range $122.72 - $142.45

Q2 2014

Shares 274,300 Value ($000) $34,715 Avg Close $126.57 Range $121.09 - $129.73

Q1 2014

Shares 289,000 Value ($000) $36,116 Avg Close $116.85 Range $108.12 - $125.91

Q4 2013

Shares 294,000 Value ($000) $34,857 Avg Close $115.63 Range $110.84 - $118.66

Q3 2013

Shares 305,400 Value ($000) $34,666 Avg Close $115.36 Range $110.72 - $119.30

Q2 2013

Shares 333,800 Value ($000) $37,359 Avg Close $110.02 Range $102.69 - $115.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	143,766	$72	$497.53	$473.15 - $516.85
Q3 2025	143,766	$72	$484.36	$455.19 - $507.66
Q2 2025	143,766	$70	$507.86	$462.10 - $542.07
Q1 2025	141,615	$75	$486.15	$440.10 - $537.63
Q4 2024	135,940	$62	$461.73	$437.90 - $491.67
Q3 2024	138,372	$64	$442.18	$403.82 - $484.82
Q2 2024	145,888	$59	$408.62	$395.66 - $424.52
Q1 2024	150,044	$63	$393.34	$355.94 - $430.00
Q4 2023	156,450	$56	$350.99	$330.58 - $364.05
Q3 2023	162,272	$57	$354.77	$338.41 - $373.34
Q2 2023	162,272	$55	$326.37	$307.07 - $342.50
Q1 2023	171,739	$53	$308.18	$292.42 - $321.32
Q4 2022	171,739	$53	$296.98	$259.85 - $319.56
Q3 2022	171,739	$45,858	$284.56	$261.55 - $308.15
Q1 2022	131,040	$46,245	$323.46	$294.81 - $362.10
Q4 2021	136,743	$40,886	$286.41	$272.22 - $301.65
Q3 2021	147,143	$40,161	$280.86	$270.73 - $291.82
Q2 2021	149,143	$41,450	$279.44	$254.80 - $295.08
Q1 2021	149,143	$38,102	$242.84	$226.10 - $267.50
Q4 2020	160,143	$37,132	$220.20	$197.81 - $234.99
Q3 2020	174,343	$37,125	$204.56	$177.34 - $223.24
Q2 2020	184,056	$32,856	$182.62	$167.04 - $203.33
Q1 2020	205,006	$37,481	$212.55	$159.50 - $231.61
Q4 2019	195,706	$44,327	$217.17	$201.33 - $228.23
Q3 2019	192,206	$39,983	$206.04	$195.40 - $216.58
Q2 2019	185,306	$39,502	$206.92	$196.89 - $219.16
Q1 2019	198,556	$39,888	$201.85	$191.04 - $209.40
Q4 2018	211,056	$43,093	$208.87	$186.10 - $224.07
Q3 2018	188,856	$40,436	$205.18	$185.72 - $223.00
Q2 2018	212,606	$39,683	$194.92	$184.75 - $202.77
Q1 2018	210,106	$41,912	$205.34	$189.30 - $217.62
Q4 2017	210,056	$41,637	$189.88	$180.44 - $200.50
Q3 2017	209,056	$38,324	$176.72	$168.00 - $184.00
Q2 2017	209,056	$35,408	$166.33	$160.93 - $171.95
Q1 2017	215,306	$35,887	$167.31	$158.61 - $177.86
Q4 2016	233,306	$38,024	$153.96	$141.92 - $167.25
Q3 2016	244,906	$35,382	$146.25	$140.95 - $151.05
Q2 2016	244,906	$35,460	$142.96	$136.65 - $148.03
Q1 2016	253,106	$35,911	$132.58	$123.55 - $143.40
Q4 2015	250,406	$33,064	$134.20	$127.46 - $138.62
Q3 2015	251,106	$32,744	$137.00	$125.50 - $144.69
Q2 2015	251,106	$34,178	$142.63	$136.08 - $148.57
Q1 2015	267,606	$38,621	$147.14	$142.50 - $151.69
Q4 2014	278,806	$41,863	$144.37	$132.03 - $152.94
Q3 2014	277,906	$38,390	$133.21	$122.72 - $142.45
Q2 2014	274,300	$34,715	$126.57	$121.09 - $129.73
Q1 2014	289,000	$36,116	$116.85	$108.12 - $125.91
Q4 2013	294,000	$34,857	$115.63	$110.84 - $118.66
Q3 2013	305,400	$34,666	$115.36	$110.72 - $119.30
Q2 2013	333,800	$37,359	$110.02	$102.69 - $115.98