WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Quadrature Capital Ltd's Holding History (CIK: 0001651424)

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

Q4 2025

Shares 360 Value ($000) $748 Avg Close $1955.46 Range $1648.00 - $2143.25

Q2 2025

Shares 548 Value ($000) $983 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 294 Value ($000) $568 Avg Close $1882.39 Range $1803.96 - $1993.86

Q2 2022

Shares 1,449 Value ($000) $1,806 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2017

Shares 800 Value ($000) $704 Avg Close $895.74 Range $834.20 - $948.94

Q4 2016

Shares 400 Value ($000) $336 Avg Close $838.09 Range $815.04 - $874.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	360	$748	$1955.46	$1648.00 - $2143.25
Q2 2025	548	$983	$1778.53	$1678.87 - $1937.23
Q1 2025	294	$568	$1882.39	$1803.96 - $1993.86
Q2 2022	1,449	$1,806	$1161.60	$1030.38 - $1291.50
Q1 2017	800	$704	$895.74	$834.20 - $948.94
Q4 2016	400	$336	$838.09	$815.04 - $874.69