WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q4 2025

Shares 100 Value ($000) $208 Avg Close $1955.46 Range $1648.00 - $2143.25

Q2 2020

Shares 100 Value ($000) $89 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 100 Value ($000) $91 Avg Close $1035.04 Range $629.21 - $1168.21

Q4 2019

Shares 100 Value ($000) $112 Avg Close $1090.77 Range $1054.00 - $1131.50

Q3 2019

Shares 100 Value ($000) $108 Avg Close $1066.63 Range $1025.25 - $1104.14

Q2 2019

Shares 100 Value ($000) $102 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 100 Value ($000) $93 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 100 Value ($000) $86 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 100 Value ($000) $94 Avg Close $926.90 Range $895.01 - $980.89

Q2 2018

Shares 100 Value ($000) $91 Avg Close $880.88 Range $804.40 - $933.70

Q1 2018

Shares 100 Value ($000) $82 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 100 Value ($000) $85 Avg Close $874.10 Range $841.33 - $903.26

Q3 2017

Shares 100 Value ($000) $86 Avg Close $859.82 Range $838.65 - $888.00

Q2 2017

Shares 100 Value ($000) $87 Avg Close $867.55 Range $845.41 - $900.05

Q1 2017

Shares 100 Value ($000) $88 Avg Close $895.74 Range $834.20 - $948.94

Q4 2016

Shares 100 Value ($000) $84 Avg Close $838.09 Range $815.04 - $874.69

Q3 2016

Shares 100 Value ($000) $83 Avg Close $824.01 Range $804.44 - $852.58

Q2 2016

Shares 100 Value ($000) $84 Avg Close $815.85 Range $786.33 - $845.37

Q1 2016

Shares 100 Value ($000) $80 Avg Close $748.05 Range $689.31 - $809.99

Q4 2015

Shares 100 Value ($000) $73 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 100 Value ($000) $75 Avg Close $719.51 Range $645.00 - $778.19

Q2 2015

Shares 100 Value ($000) $65 Avg Close $663.32 Range $635.00 - $704.50

Q1 2015

Shares 100 Value ($000) $68 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 100 Value ($000) $63 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 100 Value ($000) $63 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 100 Value ($000) $61 Avg Close $595.51 Range $583.51 - $608.63

Q1 2014

Shares 100 Value ($000) $60 Avg Close $583.55 Range $557.26 - $603.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100	$208	$1955.46	$1648.00 - $2143.25
Q2 2020	100	$89	$901.27	$813.24 - $1012.83
Q1 2020	100	$91	$1035.04	$629.21 - $1168.21
Q4 2019	100	$112	$1090.77	$1054.00 - $1131.50
Q3 2019	100	$108	$1066.63	$1025.25 - $1104.14
Q2 2019	100	$102	$961.99	$906.22 - $1052.17
Q1 2019	100	$93	$905.92	$850.75 - $961.49
Q4 2018	100	$86	$891.29	$832.88 - $942.35
Q3 2018	100	$94	$926.90	$895.01 - $980.89
Q2 2018	100	$91	$880.88	$804.40 - $933.70
Q1 2018	100	$82	$825.48	$786.23 - $858.09
Q4 2017	100	$85	$874.10	$841.33 - $903.26
Q3 2017	100	$86	$859.82	$838.65 - $888.00
Q2 2017	100	$87	$867.55	$845.41 - $900.05
Q1 2017	100	$88	$895.74	$834.20 - $948.94
Q4 2016	100	$84	$838.09	$815.04 - $874.69
Q3 2016	100	$83	$824.01	$804.44 - $852.58
Q2 2016	100	$84	$815.85	$786.33 - $845.37
Q1 2016	100	$80	$748.05	$689.31 - $809.99
Q4 2015	100	$73	$765.83	$721.00 - $808.00
Q3 2015	100	$75	$719.51	$645.00 - $778.19
Q2 2015	100	$65	$663.32	$635.00 - $704.50
Q1 2015	100	$68	$659.70	$618.00 - $696.48
Q4 2014	100	$63	$635.98	$610.00 - $682.87
Q3 2014	100	$63	$624.10	$599.35 - $645.00
Q2 2014	100	$61	$595.51	$583.51 - $608.63
Q1 2014	100	$60	$583.55	$557.26 - $603.88