WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 807 Value ($000) $1,677 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 955 Value ($000) $1,596 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 1,127 Value ($000) $2,024 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 1,155 Value ($000) $2,224 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 1,170 Value ($000) $2,276 Avg Close $1889.39 Range $1708.50 - $2023.00

Q3 2024

Shares 1,176 Value ($000) $1,995 Avg Close $1743.65 Range $1666.22 - $1847.78

Q2 2024

Shares 1,183 Value ($000) $2,150 Avg Close $1768.70 Range $1665.71 - $1899.21

Q1 2024

Shares 1,231 Value ($000) $2,209 Avg Close $1676.26 Range $1475.00 - $1849.99

Q4 2023

Shares 1,236 Value ($000) $1,860 Avg Close $1486.19 Range $1401.01 - $1562.63

Q3 2023

Shares 1,134 Value ($000) $1,696 Avg Close $1535.39 Range $1370.75 - $1617.00

Q2 2023

Shares 1,140 Value ($000) $1,583 Avg Close $1407.80 Range $1319.05 - $1540.09

Q1 2023

Shares 1,102 Value ($000) $1,518 Avg Close $1434.16 Range $1312.00 - $1560.21

Q4 2022

Shares 1,167 Value ($000) $1,651 Avg Close $1355.05 Range $1276.05 - $1435.45

Q3 2022

Shares 1,193 Value ($000) $1,555 Avg Close $1293.71 Range $1172.00 - $1393.48

Q2 2022

Shares 1,242 Value ($000) $1,548 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2022

Shares 1,277 Value ($000) $1,451 Avg Close $1046.91 Range $982.60 - $1141.97

Q4 2021

Shares 1,380 Value ($000) $1,399 Avg Close $1056.38 Range $978.51 - $1137.50

Q3 2021

Shares 1,473 Value ($000) $1,576 Avg Close $1116.81 Range $1056.96 - $1179.20

Q2 2021

Shares 1,620 Value ($000) $1,860 Avg Close $1167.46 Range $1100.61 - $1243.00

Q1 2021

Shares 1,720 Value ($000) $1,918 Avg Close $1118.45 Range $994.91 - $1267.52

Q4 2020

Shares 1,620 Value ($000) $1,621 Avg Close $940.82 Range $778.11 - $1024.02

Q3 2020

Shares 1,716 Value ($000) $1,337 Avg Close $864.63 Range $752.10 - $961.96

Q2 2020

Shares 1,716 Value ($000) $1,524 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 1,816 Value ($000) $1,653 Avg Close $1035.04 Range $629.21 - $1168.21

Q4 2019

Shares 1,953 Value ($000) $2,179 Avg Close $1090.77 Range $1054.00 - $1131.50

Q3 2019

Shares 1,616 Value ($000) $1,745 Avg Close $1066.63 Range $1025.25 - $1104.14

Q2 2019

Shares 1,621 Value ($000) $1,656 Avg Close $961.99 Range $906.22 - $1052.17

Q1 2019

Shares 1,671 Value ($000) $1,546 Avg Close $905.92 Range $850.75 - $961.49

Q4 2018

Shares 1,671 Value ($000) $1,433 Avg Close $891.29 Range $832.88 - $942.35

Q3 2018

Shares 2,166 Value ($000) $2,027 Avg Close $926.90 Range $895.01 - $980.89

Q2 2018

Shares 2,146 Value ($000) $1,946 Avg Close $880.88 Range $804.40 - $933.70

Q1 2018

Shares 2,394 Value ($000) $1,969 Avg Close $825.48 Range $786.23 - $858.09

Q4 2017

Shares 2,446 Value ($000) $2,082 Avg Close $874.10 Range $841.33 - $903.26

Q3 2017

Shares 2,546 Value ($000) $2,182 Avg Close $859.82 Range $838.65 - $888.00

Q2 2017

Shares 2,646 Value ($000) $2,298 Avg Close $867.55 Range $845.41 - $900.05

Q1 2017

Shares 2,546 Value ($000) $2,240 Avg Close $895.74 Range $834.20 - $948.94

Q4 2016

Shares 2,986 Value ($000) $2,496 Avg Close $838.09 Range $815.04 - $874.69

Q3 2016

Shares 3,086 Value ($000) $2,561 Avg Close $824.01 Range $804.44 - $852.58

Q2 2016

Shares 3,086 Value ($000) $2,598 Avg Close $815.85 Range $786.33 - $845.37

Q1 2016

Shares 3,986 Value ($000) $3,199 Avg Close $748.05 Range $689.31 - $809.99

Q4 2015

Shares 4,936 Value ($000) $3,588 Avg Close $765.83 Range $721.00 - $808.00

Q3 2015

Shares 4,136 Value ($000) $3,091 Avg Close $719.51 Range $645.00 - $778.19

Q2 2015

Shares 4,136 Value ($000) $2,709 Avg Close $663.32 Range $635.00 - $704.50

Q1 2015

Shares 5,186 Value ($000) $3,550 Avg Close $659.70 Range $618.00 - $696.48

Q4 2014

Shares 5,386 Value ($000) $3,394 Avg Close $635.98 Range $610.00 - $682.87

Q3 2014

Shares 5,386 Value ($000) $3,394 Avg Close $624.10 Range $599.35 - $645.00

Q2 2014

Shares 5,436 Value ($000) $3,307 Avg Close $595.51 Range $583.51 - $608.63

Q1 2014

Shares 5,539 Value ($000) $3,323 Avg Close $583.55 Range $557.26 - $603.88

Q4 2013

Shares 5,548 Value ($000) $3,346 Avg Close $589.37 Range $566.30 - $606.94

Q3 2013

Shares 5,789 Value ($000) $3,286 Avg Close $580.72 Range $555.51 - $615.88

Q2 2013

Shares 4,990 Value ($000) $2,869 Avg Close $583.58 Range $561.79 - $615.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	807	$1,677	$1955.46	$1648.00 - $2143.25
Q3 2025	955	$1,596	$1784.36	$1659.17 - $1880.11
Q2 2025	1,127	$2,024	$1778.53	$1678.87 - $1937.23
Q1 2025	1,155	$2,224	$1882.39	$1803.96 - $1993.86
Q4 2024	1,170	$2,276	$1889.39	$1708.50 - $2023.00
Q3 2024	1,176	$1,995	$1743.65	$1666.22 - $1847.78
Q2 2024	1,183	$2,150	$1768.70	$1665.71 - $1899.21
Q1 2024	1,231	$2,209	$1676.26	$1475.00 - $1849.99
Q4 2023	1,236	$1,860	$1486.19	$1401.01 - $1562.63
Q3 2023	1,134	$1,696	$1535.39	$1370.75 - $1617.00
Q2 2023	1,140	$1,583	$1407.80	$1319.05 - $1540.09
Q1 2023	1,102	$1,518	$1434.16	$1312.00 - $1560.21
Q4 2022	1,167	$1,651	$1355.05	$1276.05 - $1435.45
Q3 2022	1,193	$1,555	$1293.71	$1172.00 - $1393.48
Q2 2022	1,242	$1,548	$1161.60	$1030.38 - $1291.50
Q1 2022	1,277	$1,451	$1046.91	$982.60 - $1141.97
Q4 2021	1,380	$1,399	$1056.38	$978.51 - $1137.50
Q3 2021	1,473	$1,576	$1116.81	$1056.96 - $1179.20
Q2 2021	1,620	$1,860	$1167.46	$1100.61 - $1243.00
Q1 2021	1,720	$1,918	$1118.45	$994.91 - $1267.52
Q4 2020	1,620	$1,621	$940.82	$778.11 - $1024.02
Q3 2020	1,716	$1,337	$864.63	$752.10 - $961.96
Q2 2020	1,716	$1,524	$901.27	$813.24 - $1012.83
Q1 2020	1,816	$1,653	$1035.04	$629.21 - $1168.21
Q4 2019	1,953	$2,179	$1090.77	$1054.00 - $1131.50
Q3 2019	1,616	$1,745	$1066.63	$1025.25 - $1104.14
Q2 2019	1,621	$1,656	$961.99	$906.22 - $1052.17
Q1 2019	1,671	$1,546	$905.92	$850.75 - $961.49
Q4 2018	1,671	$1,433	$891.29	$832.88 - $942.35
Q3 2018	2,166	$2,027	$926.90	$895.01 - $980.89
Q2 2018	2,146	$1,946	$880.88	$804.40 - $933.70
Q1 2018	2,394	$1,969	$825.48	$786.23 - $858.09
Q4 2017	2,446	$2,082	$874.10	$841.33 - $903.26
Q3 2017	2,546	$2,182	$859.82	$838.65 - $888.00
Q2 2017	2,646	$2,298	$867.55	$845.41 - $900.05
Q1 2017	2,546	$2,240	$895.74	$834.20 - $948.94
Q4 2016	2,986	$2,496	$838.09	$815.04 - $874.69
Q3 2016	3,086	$2,561	$824.01	$804.44 - $852.58
Q2 2016	3,086	$2,598	$815.85	$786.33 - $845.37
Q1 2016	3,986	$3,199	$748.05	$689.31 - $809.99
Q4 2015	4,936	$3,588	$765.83	$721.00 - $808.00
Q3 2015	4,136	$3,091	$719.51	$645.00 - $778.19
Q2 2015	4,136	$2,709	$663.32	$635.00 - $704.50
Q1 2015	5,186	$3,550	$659.70	$618.00 - $696.48
Q4 2014	5,386	$3,394	$635.98	$610.00 - $682.87
Q3 2014	5,386	$3,394	$624.10	$599.35 - $645.00
Q2 2014	5,436	$3,307	$595.51	$583.51 - $608.63
Q1 2014	5,539	$3,323	$583.55	$557.26 - $603.88
Q4 2013	5,548	$3,346	$589.37	$566.30 - $606.94
Q3 2013	5,789	$3,286	$580.72	$555.51 - $615.88
Q2 2013	4,990	$2,869	$583.58	$561.79 - $615.00