BERKSHIRE HATHAWAY INC DEL

Ticker: BRK/A CUSIP: 084670108 Class: CL A

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 619 Value ($000) $467,221 Avg Close $746423.56 Range $710000.00 - $775000.00

Q3 2025

Shares 570 Value ($000) $429,894 Avg Close $726917.40 Range $685150.00 - $760837.00

Q2 2025

Shares 449 Value ($000) $327,231 Avg Close $761794.56 Range $695517.00 - $812855.00

Q1 2025

Shares 308 Value ($000) $245,920 Avg Close $729330.75 Range $660640.00 - $806024.00

Q4 2024

Shares 184 Value ($000) $125,289 Avg Close $692527.00 Range $657498.00 - $737301.00

Q3 2024

Shares 84 Value ($000) $58,059 Avg Close $663906.25 Range $607955.00 - $727115.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	619	$467,221	$746423.56	$710000.00 - $775000.00
Q3 2025	570	$429,894	$726917.40	$685150.00 - $760837.00
Q2 2025	449	$327,231	$761794.56	$695517.00 - $812855.00
Q1 2025	308	$245,920	$729330.75	$660640.00 - $806024.00
Q4 2024	184	$125,289	$692527.00	$657498.00 - $737301.00
Q3 2024	84	$58,059	$663906.25	$607955.00 - $727115.00