WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q3 2025

Shares 1 Value ($000) $2 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 1 Value ($000) $2 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 4 Value ($000) $8 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 3 Value ($000) $6 Avg Close $1889.39 Range $1708.50 - $2023.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1	$2	$1784.36	$1659.17 - $1880.11
Q2 2025	1	$2	$1778.53	$1678.87 - $1937.23
Q1 2025	4	$8	$1882.39	$1803.96 - $1993.86
Q4 2024	3	$6	$1889.39	$1708.50 - $2023.00