WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Lummis Asset Management, LP's Holding History (CIK: 0002011652)

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

Q4 2025

Shares 325 Value ($000) $675 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 325 Value ($000) $543 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 325 Value ($000) $569 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 325 Value ($000) $574 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2023

Shares 325 Value ($000) $489 Avg Close $1486.19 Range $1401.01 - $1562.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	325	$675	$1955.46	$1648.00 - $2143.25
Q3 2025	325	$543	$1784.36	$1659.17 - $1880.11
Q2 2025	325	$569	$1778.53	$1678.87 - $1937.23
Q1 2025	325	$574	$1882.39	$1803.96 - $1993.86
Q4 2023	325	$489	$1486.19	$1401.01 - $1562.63