WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

FMR LLC's Holding History (CIK: 0000315066)

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

Q4 2025

Shares 939 Value ($000) $1,952 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 625 Value ($000) $1,045 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 561 Value ($000) $1,008 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 572 Value ($000) $1,102 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 697 Value ($000) $1,355 Avg Close $1889.39 Range $1708.50 - $2023.00

Q3 2024

Shares 22,196 Value ($000) $37,649 Avg Close $1743.65 Range $1666.22 - $1847.78

Q2 2024

Shares 20,586 Value ($000) $37,414 Avg Close $1768.70 Range $1665.71 - $1899.21

Q1 2024

Shares 14,919 Value ($000) $26,769 Avg Close $1676.26 Range $1475.00 - $1849.99

Q4 2023

Shares 12,182 Value ($000) $18,334 Avg Close $1486.19 Range $1401.01 - $1562.63

Q3 2023

Shares 12,075 Value ($000) $18,061 Avg Close $1535.39 Range $1370.75 - $1617.00

Q2 2023

Shares 22,551 Value ($000) $31,321 Avg Close $1407.80 Range $1319.05 - $1540.09

Q1 2023

Shares 22,111 Value ($000) $30,458 Avg Close $1434.16 Range $1312.00 - $1560.21

Q4 2022

Shares 28,645 Value ($000) $40,514 Avg Close $1355.05 Range $1276.05 - $1435.45

Q3 2022

Shares 15,178 Value ($000) $19,778 Avg Close $1293.71 Range $1172.00 - $1393.48

Q2 2022

Shares 88 Value ($000) $110 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2022

Shares 91 Value ($000) $104 Avg Close $1046.91 Range $982.60 - $1141.97

Q4 2021

Shares 25 Value ($000) $26 Avg Close $1056.38 Range $978.51 - $1137.50

Q3 2021

Shares 27 Value ($000) $29 Avg Close $1116.81 Range $1056.96 - $1179.20

Q2 2021

Shares 2,531 Value ($000) $2,905 Avg Close $1167.46 Range $1100.61 - $1243.00

Q1 2021

Shares 2,569 Value ($000) $2,864 Avg Close $1118.45 Range $994.91 - $1267.52

Q4 2020

Shares 19,529 Value ($000) $19,542 Avg Close $940.82 Range $778.11 - $1024.02

Q3 2020

Shares 20,139 Value ($000) $15,689 Avg Close $864.63 Range $752.10 - $961.96

Q2 2020

Shares 25,385 Value ($000) $22,541 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 32,416 Value ($000) $29,500 Avg Close $1035.04 Range $629.21 - $1168.21

Q4 2019

Shares 33,667 Value ($000) $37,557 Avg Close $1090.77 Range $1054.00 - $1131.50

Q3 2019

Shares 38,822 Value ($000) $41,928 Avg Close $1066.63 Range $1025.25 - $1104.14

Q2 2019

Shares 31,729 Value ($000) $32,410 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 28 Value ($000) $26 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 29 Value ($000) $25 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 26 Value ($000) $25 Avg Close $926.90 Range $895.01 - $980.89

Q4 2016

Shares 260 Value ($000) $217 Avg Close $838.09 Range $815.04 - $874.69

Q3 2016

Shares 262 Value ($000) $217 Avg Close $824.01 Range $804.44 - $852.58

Q2 2016

Shares 402 Value ($000) $338 Avg Close $815.85 Range $786.33 - $845.37

Q1 2016

Shares 400 Value ($000) $321 Avg Close $748.05 Range $689.31 - $809.99

Q4 2015

Shares 1,600 Value ($000) $1,163 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 1,600 Value ($000) $1,196 Avg Close $719.51 Range $645.00 - $778.19

Q1 2015

Shares 851 Value ($000) $583 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 905 Value ($000) $570 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 905 Value ($000) $570 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 905 Value ($000) $551 Avg Close $595.51 Range $583.51 - $608.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	939	$1,952	$1955.46	$1648.00 - $2143.25
Q3 2025	625	$1,045	$1784.36	$1659.17 - $1880.11
Q2 2025	561	$1,008	$1778.53	$1678.87 - $1937.23
Q1 2025	572	$1,102	$1882.39	$1803.96 - $1993.86
Q4 2024	697	$1,355	$1889.39	$1708.50 - $2023.00
Q3 2024	22,196	$37,649	$1743.65	$1666.22 - $1847.78
Q2 2024	20,586	$37,414	$1768.70	$1665.71 - $1899.21
Q1 2024	14,919	$26,769	$1676.26	$1475.00 - $1849.99
Q4 2023	12,182	$18,334	$1486.19	$1401.01 - $1562.63
Q3 2023	12,075	$18,061	$1535.39	$1370.75 - $1617.00
Q2 2023	22,551	$31,321	$1407.80	$1319.05 - $1540.09
Q1 2023	22,111	$30,458	$1434.16	$1312.00 - $1560.21
Q4 2022	28,645	$40,514	$1355.05	$1276.05 - $1435.45
Q3 2022	15,178	$19,778	$1293.71	$1172.00 - $1393.48
Q2 2022	88	$110	$1161.60	$1030.38 - $1291.50
Q1 2022	91	$104	$1046.91	$982.60 - $1141.97
Q4 2021	25	$26	$1056.38	$978.51 - $1137.50
Q3 2021	27	$29	$1116.81	$1056.96 - $1179.20
Q2 2021	2,531	$2,905	$1167.46	$1100.61 - $1243.00
Q1 2021	2,569	$2,864	$1118.45	$994.91 - $1267.52
Q4 2020	19,529	$19,542	$940.82	$778.11 - $1024.02
Q3 2020	20,139	$15,689	$864.63	$752.10 - $961.96
Q2 2020	25,385	$22,541	$901.27	$813.24 - $1012.83
Q1 2020	32,416	$29,500	$1035.04	$629.21 - $1168.21
Q4 2019	33,667	$37,557	$1090.77	$1054.00 - $1131.50
Q3 2019	38,822	$41,928	$1066.63	$1025.25 - $1104.14
Q2 2019	31,729	$32,410	$961.99	$906.22 - $1052.17
Q1 2019	28	$26	$905.92	$850.75 - $961.49
Q4 2018	29	$25	$891.29	$832.88 - $942.35
Q3 2018	26	$25	$926.90	$895.01 - $980.89
Q4 2016	260	$217	$838.09	$815.04 - $874.69
Q3 2016	262	$217	$824.01	$804.44 - $852.58
Q2 2016	402	$338	$815.85	$786.33 - $845.37
Q1 2016	400	$321	$748.05	$689.31 - $809.99
Q4 2015	1,600	$1,163	$765.83	$721.00 - $808.00
Q3 2015	1,600	$1,196	$719.51	$645.00 - $778.19
Q1 2015	851	$583	$659.70	$618.00 - $696.48
Q4 2014	905	$570	$635.98	$610.00 - $682.87
Q3 2014	905	$570	$624.10	$599.35 - $645.00
Q2 2014	905	$551	$595.51	$583.51 - $608.63