WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

MORGAN STANLEY's Holding History (CIK: 0000895421)

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

Q4 2025

Shares 82,151 Value ($000) $170,716 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 138,862 Value ($000) $232,114 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 165,064 Value ($000) $296,411 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 170,631 Value ($000) $328,607 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 177,691 Value ($000) $345,623 Avg Close $1889.39 Range $1708.50 - $2023.00

Q3 2024

Shares 179,037 Value ($000) $303,686 Avg Close $1743.65 Range $1666.22 - $1847.78

Q2 2024

Shares 184,935 Value ($000) $336,113 Avg Close $1768.70 Range $1665.71 - $1899.21

Q1 2024

Shares 185,530 Value ($000) $332,898 Avg Close $1676.26 Range $1475.00 - $1849.99

Q4 2023

Shares 198,001 Value ($000) $297,996 Avg Close $1486.19 Range $1401.01 - $1562.63

Q3 2023

Shares 202,923 Value ($000) $303,512 Avg Close $1535.39 Range $1370.75 - $1617.00

Q2 2023

Shares 202,009 Value ($000) $280,574 Avg Close $1407.80 Range $1319.05 - $1540.09

Q1 2023

Shares 200,899 Value ($000) $276,736 Avg Close $1434.16 Range $1312.00 - $1560.21

Q4 2022

Shares 189,671 Value ($000) $268,257 Avg Close $1355.05 Range $1276.05 - $1435.45

Q3 2022

Shares 23,351 Value ($000) $30,427 Avg Close $1293.71 Range $1172.00 - $1393.48

Q2 2022

Shares 22,648 Value ($000) $28,224 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2022

Shares 3,986 Value ($000) $4,529 Avg Close $1046.91 Range $982.60 - $1141.97

Q4 2021

Shares 3,733 Value ($000) $3,785 Avg Close $1056.38 Range $978.51 - $1137.50

Q3 2021

Shares 4,876 Value ($000) $5,217 Avg Close $1116.81 Range $1056.96 - $1179.20

Q2 2021

Shares 4,594 Value ($000) $5,274 Avg Close $1167.46 Range $1100.61 - $1243.00

Q1 2021

Shares 5,352 Value ($000) $5,966 Avg Close $1118.45 Range $994.91 - $1267.52

Q4 2020

Shares 2,805 Value ($000) $2,806 Avg Close $940.82 Range $778.11 - $1024.02

Q3 2020

Shares 6,139 Value ($000) $4,782 Avg Close $864.63 Range $752.10 - $961.96

Q2 2020

Shares 2,883 Value ($000) $2,560 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 4,234 Value ($000) $3,852 Avg Close $1035.04 Range $629.21 - $1168.21

Q4 2019

Shares 3,255 Value ($000) $3,631 Avg Close $1090.77 Range $1054.00 - $1131.50

Q3 2019

Shares 2,460 Value ($000) $2,657 Avg Close $1066.63 Range $1025.25 - $1104.14

Q2 2019

Shares 2,488 Value ($000) $2,542 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 2,589 Value ($000) $2,396 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 5,403 Value ($000) $4,634 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 3,512 Value ($000) $3,286 Avg Close $926.90 Range $895.01 - $980.89

Q2 2018

Shares 7,269 Value ($000) $6,590 Avg Close $880.88 Range $804.40 - $933.70

Q1 2018

Shares 2,832 Value ($000) $2,329 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 2,280 Value ($000) $1,940 Avg Close $874.10 Range $841.33 - $903.26

Q3 2017

Shares 2,192 Value ($000) $1,878 Avg Close $859.82 Range $838.65 - $888.00

Q2 2017

Shares 8,824 Value ($000) $7,664 Avg Close $867.55 Range $845.41 - $900.05

Q1 2017

Shares 8,591 Value ($000) $7,559 Avg Close $895.74 Range $834.20 - $948.94

Q4 2016

Shares 6,718 Value ($000) $5,617 Avg Close $838.09 Range $815.04 - $874.69

Q3 2016

Shares 1,938 Value ($000) $1,609 Avg Close $824.01 Range $804.44 - $852.58

Q2 2016

Shares 3,032 Value ($000) $2,553 Avg Close $815.85 Range $786.33 - $845.37

Q1 2016

Shares 3,036 Value ($000) $2,436 Avg Close $748.05 Range $689.31 - $809.99

Q4 2015

Shares 3,747 Value ($000) $2,723 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 2,536 Value ($000) $1,895 Avg Close $719.51 Range $645.00 - $778.19

Q2 2015

Shares 2,875 Value ($000) $1,882 Avg Close $663.32 Range $635.00 - $704.50

Q1 2015

Shares 1,886 Value ($000) $1,291 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 3,039 Value ($000) $1,915 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 4,907 Value ($000) $3,093 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 1,429 Value ($000) $870 Avg Close $595.51 Range $583.51 - $608.63

Q1 2014

Shares 13,137 Value ($000) $7,880 Avg Close $583.55 Range $557.26 - $603.88

Q4 2013

Shares 4,614 Value ($000) $2,783 Avg Close $589.37 Range $566.30 - $606.94

Q3 2013

Shares 5,387 Value ($000) $3,059 Avg Close $580.72 Range $555.51 - $615.88

Q2 2013

Shares 6,597 Value ($000) $3,793 Avg Close $583.58 Range $561.79 - $615.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	82,151	$170,716	$1955.46	$1648.00 - $2143.25
Q3 2025	138,862	$232,114	$1784.36	$1659.17 - $1880.11
Q2 2025	165,064	$296,411	$1778.53	$1678.87 - $1937.23
Q1 2025	170,631	$328,607	$1882.39	$1803.96 - $1993.86
Q4 2024	177,691	$345,623	$1889.39	$1708.50 - $2023.00
Q3 2024	179,037	$303,686	$1743.65	$1666.22 - $1847.78
Q2 2024	184,935	$336,113	$1768.70	$1665.71 - $1899.21
Q1 2024	185,530	$332,898	$1676.26	$1475.00 - $1849.99
Q4 2023	198,001	$297,996	$1486.19	$1401.01 - $1562.63
Q3 2023	202,923	$303,512	$1535.39	$1370.75 - $1617.00
Q2 2023	202,009	$280,574	$1407.80	$1319.05 - $1540.09
Q1 2023	200,899	$276,736	$1434.16	$1312.00 - $1560.21
Q4 2022	189,671	$268,257	$1355.05	$1276.05 - $1435.45
Q3 2022	23,351	$30,427	$1293.71	$1172.00 - $1393.48
Q2 2022	22,648	$28,224	$1161.60	$1030.38 - $1291.50
Q1 2022	3,986	$4,529	$1046.91	$982.60 - $1141.97
Q4 2021	3,733	$3,785	$1056.38	$978.51 - $1137.50
Q3 2021	4,876	$5,217	$1116.81	$1056.96 - $1179.20
Q2 2021	4,594	$5,274	$1167.46	$1100.61 - $1243.00
Q1 2021	5,352	$5,966	$1118.45	$994.91 - $1267.52
Q4 2020	2,805	$2,806	$940.82	$778.11 - $1024.02
Q3 2020	6,139	$4,782	$864.63	$752.10 - $961.96
Q2 2020	2,883	$2,560	$901.27	$813.24 - $1012.83
Q1 2020	4,234	$3,852	$1035.04	$629.21 - $1168.21
Q4 2019	3,255	$3,631	$1090.77	$1054.00 - $1131.50
Q3 2019	2,460	$2,657	$1066.63	$1025.25 - $1104.14
Q2 2019	2,488	$2,542	$961.99	$906.22 - $1052.17
Q1 2019	2,589	$2,396	$905.92	$850.75 - $961.49
Q4 2018	5,403	$4,634	$891.29	$832.88 - $942.35
Q3 2018	3,512	$3,286	$926.90	$895.01 - $980.89
Q2 2018	7,269	$6,590	$880.88	$804.40 - $933.70
Q1 2018	2,832	$2,329	$825.48	$786.23 - $858.09
Q4 2017	2,280	$1,940	$874.10	$841.33 - $903.26
Q3 2017	2,192	$1,878	$859.82	$838.65 - $888.00
Q2 2017	8,824	$7,664	$867.55	$845.41 - $900.05
Q1 2017	8,591	$7,559	$895.74	$834.20 - $948.94
Q4 2016	6,718	$5,617	$838.09	$815.04 - $874.69
Q3 2016	1,938	$1,609	$824.01	$804.44 - $852.58
Q2 2016	3,032	$2,553	$815.85	$786.33 - $845.37
Q1 2016	3,036	$2,436	$748.05	$689.31 - $809.99
Q4 2015	3,747	$2,723	$765.83	$721.00 - $808.00
Q3 2015	2,536	$1,895	$719.51	$645.00 - $778.19
Q2 2015	2,875	$1,882	$663.32	$635.00 - $704.50
Q1 2015	1,886	$1,291	$659.70	$618.00 - $696.48
Q4 2014	3,039	$1,915	$635.98	$610.00 - $682.87
Q3 2014	4,907	$3,093	$624.10	$599.35 - $645.00
Q2 2014	1,429	$870	$595.51	$583.51 - $608.63
Q1 2014	13,137	$7,880	$583.55	$557.26 - $603.88
Q4 2013	4,614	$2,783	$589.37	$566.30 - $606.94
Q3 2013	5,387	$3,059	$580.72	$555.51 - $615.88
Q2 2013	6,597	$3,793	$583.58	$561.79 - $615.00