WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2025

Shares 235,698 Value ($000) $489,788 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 247,004 Value ($000) $412,872 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 249,170 Value ($000) $447,440 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 250,116 Value ($000) $481,676 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 251,739 Value ($000) $489,647 Avg Close $1889.39 Range $1708.50 - $2023.00

Q3 2024

Shares 250,783 Value ($000) $425,378 Avg Close $1743.65 Range $1666.22 - $1847.78

Q2 2024

Shares 251,035 Value ($000) $456,244 Avg Close $1768.70 Range $1665.71 - $1899.21

Q1 2024

Shares 251,930 Value ($000) $452,038 Avg Close $1676.26 Range $1475.00 - $1849.99

Q4 2023

Shares 253,419 Value ($000) $381,398 Avg Close $1486.19 Range $1401.01 - $1562.63

Q3 2023

Shares 253,393 Value ($000) $378,997 Avg Close $1535.39 Range $1370.75 - $1617.00

Q2 2023

Shares 253,615 Value ($000) $352,248 Avg Close $1407.80 Range $1319.05 - $1540.09

Q1 2023

Shares 257,977 Value ($000) $355,361 Avg Close $1434.16 Range $1312.00 - $1560.21

Q4 2022

Shares 253,921 Value ($000) $359,128 Avg Close $1355.05 Range $1276.05 - $1435.45

Q3 2022

Shares 249,232 Value ($000) $324,755 Avg Close $1293.71 Range $1172.00 - $1393.48

Q2 2022

Shares 279,554 Value ($000) $348,362 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2022

Shares 280,559 Value ($000) $318,782 Avg Close $1046.91 Range $982.60 - $1141.97

Q4 2021

Shares 279,362 Value ($000) $283,246 Avg Close $1056.38 Range $978.51 - $1137.50

Q3 2021

Shares 286,062 Value ($000) $305,975 Avg Close $1116.81 Range $1056.96 - $1179.20

Q2 2021

Shares 289,314 Value ($000) $332,141 Avg Close $1167.46 Range $1100.61 - $1243.00

Q1 2021

Shares 295,352 Value ($000) $329,289 Avg Close $1118.45 Range $994.91 - $1267.52

Q4 2020

Shares 280,939 Value ($000) $281,125 Avg Close $940.82 Range $778.11 - $1024.02

Q3 2020

Shares 277,775 Value ($000) $216,386 Avg Close $864.63 Range $752.10 - $961.96

Q2 2020

Shares 293,864 Value ($000) $260,942 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 320,863 Value ($000) $291,984 Avg Close $1035.04 Range $629.21 - $1168.21

Q4 2019

Shares 312,836 Value ($000) $348,972 Avg Close $1090.77 Range $1054.00 - $1131.50

Q3 2019

Shares 303,850 Value ($000) $328,158 Avg Close $1066.63 Range $1025.25 - $1104.14

Q2 2019

Shares 299,228 Value ($000) $305,650 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 298,440 Value ($000) $276,201 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 285,301 Value ($000) $244,700 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 279,266 Value ($000) $261,356 Avg Close $926.90 Range $895.01 - $980.89

Q2 2018

Shares 271,186 Value ($000) $245,860 Avg Close $880.88 Range $804.40 - $933.70

Q1 2018

Shares 305,116 Value ($000) $250,964 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 287,826 Value ($000) $245,021 Avg Close $874.10 Range $841.33 - $903.26

Q3 2017

Shares 274,444 Value ($000) $235,198 Avg Close $859.82 Range $838.65 - $888.00

Q2 2017

Shares 318,392 Value ($000) $276,566 Avg Close $867.55 Range $845.41 - $900.05

Q1 2017

Shares 314,214 Value ($000) $276,471 Avg Close $895.74 Range $834.20 - $948.94

Q4 2016

Shares 300,497 Value ($000) $251,231 Avg Close $838.09 Range $815.04 - $874.69

Q3 2016

Shares 297,623 Value ($000) $247,027 Avg Close $824.01 Range $804.44 - $852.58

Q2 2016

Shares 286,540 Value ($000) $241,268 Avg Close $815.85 Range $786.33 - $845.37

Q1 2016

Shares 313,787 Value ($000) $251,846 Avg Close $748.05 Range $689.31 - $809.99

Q4 2015

Shares 306,253 Value ($000) $222,588 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 307,922 Value ($000) $230,111 Avg Close $719.51 Range $645.00 - $778.19

Q2 2015

Shares 290,083 Value ($000) $189,987 Avg Close $663.32 Range $635.00 - $704.50

Q1 2015

Shares 279,798 Value ($000) $191,527 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 267,991 Value ($000) $168,863 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 265,425 Value ($000) $167,237 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 249,125 Value ($000) $151,578 Avg Close $595.51 Range $583.51 - $608.63

Q1 2014

Shares 242,700 Value ($000) $145,596 Avg Close $583.55 Range $557.26 - $603.88

Q4 2013

Shares 235,046 Value ($000) $141,752 Avg Close $589.37 Range $566.30 - $606.94

Q3 2013

Shares 214,658 Value ($000) $121,844 Avg Close $580.72 Range $555.51 - $615.88

Q2 2013

Shares 209,085 Value ($000) $120,211 Avg Close $583.58 Range $561.79 - $615.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	235,698	$489,788	$1955.46	$1648.00 - $2143.25
Q3 2025	247,004	$412,872	$1784.36	$1659.17 - $1880.11
Q2 2025	249,170	$447,440	$1778.53	$1678.87 - $1937.23
Q1 2025	250,116	$481,676	$1882.39	$1803.96 - $1993.86
Q4 2024	251,739	$489,647	$1889.39	$1708.50 - $2023.00
Q3 2024	250,783	$425,378	$1743.65	$1666.22 - $1847.78
Q2 2024	251,035	$456,244	$1768.70	$1665.71 - $1899.21
Q1 2024	251,930	$452,038	$1676.26	$1475.00 - $1849.99
Q4 2023	253,419	$381,398	$1486.19	$1401.01 - $1562.63
Q3 2023	253,393	$378,997	$1535.39	$1370.75 - $1617.00
Q2 2023	253,615	$352,248	$1407.80	$1319.05 - $1540.09
Q1 2023	257,977	$355,361	$1434.16	$1312.00 - $1560.21
Q4 2022	253,921	$359,128	$1355.05	$1276.05 - $1435.45
Q3 2022	249,232	$324,755	$1293.71	$1172.00 - $1393.48
Q2 2022	279,554	$348,362	$1161.60	$1030.38 - $1291.50
Q1 2022	280,559	$318,782	$1046.91	$982.60 - $1141.97
Q4 2021	279,362	$283,246	$1056.38	$978.51 - $1137.50
Q3 2021	286,062	$305,975	$1116.81	$1056.96 - $1179.20
Q2 2021	289,314	$332,141	$1167.46	$1100.61 - $1243.00
Q1 2021	295,352	$329,289	$1118.45	$994.91 - $1267.52
Q4 2020	280,939	$281,125	$940.82	$778.11 - $1024.02
Q3 2020	277,775	$216,386	$864.63	$752.10 - $961.96
Q2 2020	293,864	$260,942	$901.27	$813.24 - $1012.83
Q1 2020	320,863	$291,984	$1035.04	$629.21 - $1168.21
Q4 2019	312,836	$348,972	$1090.77	$1054.00 - $1131.50
Q3 2019	303,850	$328,158	$1066.63	$1025.25 - $1104.14
Q2 2019	299,228	$305,650	$961.99	$906.22 - $1052.17
Q1 2019	298,440	$276,201	$905.92	$850.75 - $961.49
Q4 2018	285,301	$244,700	$891.29	$832.88 - $942.35
Q3 2018	279,266	$261,356	$926.90	$895.01 - $980.89
Q2 2018	271,186	$245,860	$880.88	$804.40 - $933.70
Q1 2018	305,116	$250,964	$825.48	$786.23 - $858.09
Q4 2017	287,826	$245,021	$874.10	$841.33 - $903.26
Q3 2017	274,444	$235,198	$859.82	$838.65 - $888.00
Q2 2017	318,392	$276,566	$867.55	$845.41 - $900.05
Q1 2017	314,214	$276,471	$895.74	$834.20 - $948.94
Q4 2016	300,497	$251,231	$838.09	$815.04 - $874.69
Q3 2016	297,623	$247,027	$824.01	$804.44 - $852.58
Q2 2016	286,540	$241,268	$815.85	$786.33 - $845.37
Q1 2016	313,787	$251,846	$748.05	$689.31 - $809.99
Q4 2015	306,253	$222,588	$765.83	$721.00 - $808.00
Q3 2015	307,922	$230,111	$719.51	$645.00 - $778.19
Q2 2015	290,083	$189,987	$663.32	$635.00 - $704.50
Q1 2015	279,798	$191,527	$659.70	$618.00 - $696.48
Q4 2014	267,991	$168,863	$635.98	$610.00 - $682.87
Q3 2014	265,425	$167,237	$624.10	$599.35 - $645.00
Q2 2014	249,125	$151,578	$595.51	$583.51 - $608.63
Q1 2014	242,700	$145,596	$583.55	$557.26 - $603.88
Q4 2013	235,046	$141,752	$589.37	$566.30 - $606.94
Q3 2013	214,658	$121,844	$580.72	$555.51 - $615.88
Q2 2013	209,085	$120,211	$583.58	$561.79 - $615.00