WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

COOKE & BIELER LP's Holding History (CIK: 0000024386)

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

Q4 2025

Shares 106,579 Value ($000) $221,474 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 107,851 Value ($000) $180,275 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 76,781 Value ($000) $137,877 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 54,652 Value ($000) $105,249 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 34,070 Value ($000) $66,268 Avg Close $1889.39 Range $1708.50 - $2023.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	106,579	$221,474	$1955.46	$1648.00 - $2143.25
Q3 2025	107,851	$180,275	$1784.36	$1659.17 - $1880.11
Q2 2025	76,781	$137,877	$1778.53	$1678.87 - $1937.23
Q1 2025	54,652	$105,249	$1882.39	$1803.96 - $1993.86
Q4 2024	34,070	$66,268	$1889.39	$1708.50 - $2023.00