BERKSHIRE HATHAWAY INC DEL

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

Illinois Municipal Retirement Fund's Holding History (CIK: 0001541910)

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

Q4 2025

Shares 139,026 Value ($000) $69,881 Avg Close $497.53 Range $473.15 - $516.85

Q3 2025

Shares 122,935 Value ($000) $61,804 Avg Close $484.36 Range $455.19 - $507.66

Q2 2025

Shares 125,432 Value ($000) $60,931 Avg Close $507.86 Range $462.10 - $542.07

Q1 2025

Shares 112,204 Value ($000) $59,758 Avg Close $486.15 Range $440.10 - $537.63

Q4 2024

Shares 126,373 Value ($000) $57,282 Avg Close $461.73 Range $437.90 - $491.67

Q3 2024

Shares 125,237 Value ($000) $57,642 Avg Close $442.18 Range $403.82 - $484.82

Q2 2024

Shares 117,747 Value ($000) $47,899 Avg Close $408.62 Range $395.66 - $424.52

Q1 2024

Shares 117,623 Value ($000) $49 Avg Close $393.34 Range $355.94 - $430.00

Q4 2023

Shares 123,002 Value ($000) $44 Avg Close $350.99 Range $330.58 - $364.05

Q3 2023

Shares 69,329 Value ($000) $24 Avg Close $354.77 Range $338.41 - $373.34

Q2 2023

Shares 46,939 Value ($000) $16 Avg Close $326.37 Range $307.07 - $342.50

Q1 2023

Shares 52,433 Value ($000) $16 Avg Close $308.18 Range $292.42 - $321.32

Q4 2022

Shares 54,448 Value ($000) $17 Avg Close $296.98 Range $259.85 - $319.56

Q3 2022

Shares 66,250 Value ($000) $17,690 Avg Close $284.56 Range $261.55 - $308.15

Q2 2022

Shares 92,094 Value ($000) $25,144 Avg Close $313.72 Range $263.68 - $354.58

Q1 2022

Shares 88,293 Value ($000) $31,159 Avg Close $323.46 Range $294.81 - $362.10

Q4 2021

Shares 94,937 Value ($000) $28,386 Avg Close $286.41 Range $272.22 - $301.65

Q3 2021

Shares 113,453 Value ($000) $30,966 Avg Close $280.86 Range $270.73 - $291.82

Q2 2021

Shares 38,831 Value ($000) $10,792 Avg Close $279.44 Range $254.80 - $295.08

Q1 2021

Shares 19,312 Value ($000) $4,934 Avg Close $242.84 Range $226.10 - $267.50

Q4 2020

Shares 18,529 Value ($000) $4,296 Avg Close $220.20 Range $197.81 - $234.99

Q3 2020

Shares 9,221 Value ($000) $1,964 Avg Close $204.56 Range $177.34 - $223.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	139,026	$69,881	$497.53	$473.15 - $516.85
Q3 2025	122,935	$61,804	$484.36	$455.19 - $507.66
Q2 2025	125,432	$60,931	$507.86	$462.10 - $542.07
Q1 2025	112,204	$59,758	$486.15	$440.10 - $537.63
Q4 2024	126,373	$57,282	$461.73	$437.90 - $491.67
Q3 2024	125,237	$57,642	$442.18	$403.82 - $484.82
Q2 2024	117,747	$47,899	$408.62	$395.66 - $424.52
Q1 2024	117,623	$49	$393.34	$355.94 - $430.00
Q4 2023	123,002	$44	$350.99	$330.58 - $364.05
Q3 2023	69,329	$24	$354.77	$338.41 - $373.34
Q2 2023	46,939	$16	$326.37	$307.07 - $342.50
Q1 2023	52,433	$16	$308.18	$292.42 - $321.32
Q4 2022	54,448	$17	$296.98	$259.85 - $319.56
Q3 2022	66,250	$17,690	$284.56	$261.55 - $308.15
Q2 2022	92,094	$25,144	$313.72	$263.68 - $354.58
Q1 2022	88,293	$31,159	$323.46	$294.81 - $362.10
Q4 2021	94,937	$28,386	$286.41	$272.22 - $301.65
Q3 2021	113,453	$30,966	$280.86	$270.73 - $291.82
Q2 2021	38,831	$10,792	$279.44	$254.80 - $295.08
Q1 2021	19,312	$4,934	$242.84	$226.10 - $267.50
Q4 2020	18,529	$4,296	$220.20	$197.81 - $234.99
Q3 2020	9,221	$1,964	$204.56	$177.34 - $223.24