WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025
Shares 100 Value ($000) $208 Avg Close $1955.46 Range $1648.00 - $2143.25
Q2 2025
Shares 401 Value ($000) $720 Avg Close $1778.53 Range $1678.87 - $1937.23
Q1 2025
Shares 1,115 Value ($000) $2,147 Avg Close $1882.39 Range $1803.96 - $1993.86
Q4 2024
Shares 1,115 Value ($000) $4,054 Avg Close $1889.39 Range $1708.50 - $2023.00
Q1 2024
Shares 46 Value ($000) $83 Avg Close $1676.26 Range $1475.00 - $1849.99
Q4 2023
Shares 56 Value ($000) $84 Avg Close $1486.19 Range $1401.01 - $1562.63
Q3 2023
Shares 56 Value ($000) $84 Avg Close $1535.39 Range $1370.75 - $1617.00
Q2 2023
Shares 56 Value ($000) $78 Avg Close $1407.80 Range $1319.05 - $1540.09
Q1 2023
Shares 156 Value ($000) $215 Avg Close $1434.16 Range $1312.00 - $1560.21
Q4 2022
Shares 156 Value ($000) $221 Avg Close $1355.05 Range $1276.05 - $1435.45
Q3 2022
Shares 156 Value ($000) $203 Avg Close $1293.71 Range $1172.00 - $1393.48
Q2 2022
Shares 156 Value ($000) $194 Avg Close $1161.60 Range $1030.38 - $1291.50
Q1 2022
Shares 156 Value ($000) $177 Avg Close $1046.91 Range $982.60 - $1141.97
Q4 2021
Shares 156 Value ($000) $158 Avg Close $1056.38 Range $978.51 - $1137.50
Q3 2021
Shares 156 Value ($000) $166 Avg Close $1116.81 Range $1056.96 - $1179.20
Q2 2021
Shares 160 Value ($000) $183 Avg Close $1167.46 Range $1100.61 - $1243.00
Q1 2021
Shares 156 Value ($000) $173 Avg Close $1118.45 Range $994.91 - $1267.52
Q4 2020
Shares 156 Value ($000) $156 Avg Close $940.82 Range $778.11 - $1024.02
Q3 2020
Shares 156 Value ($000) $121 Avg Close $864.63 Range $752.10 - $961.96
Q2 2020
Shares 856 Value ($000) $760 Avg Close $901.27 Range $813.24 - $1012.83
Q1 2020
Shares 856 Value ($000) $778 Avg Close $1035.04 Range $629.21 - $1168.21
Q4 2019
Shares 856 Value ($000) $954 Avg Close $1090.77 Range $1054.00 - $1131.50
Q3 2019
Shares 856 Value ($000) $924 Avg Close $1066.63 Range $1025.25 - $1104.14
Q2 2019
Shares 1,556 Value ($000) $1,589 Avg Close $961.99 Range $906.22 - $1052.17
Q1 2019
Shares 1,556 Value ($000) $1,440 Avg Close $905.92 Range $850.75 - $961.49
Q4 2018
Shares 1,556 Value ($000) $1,334 Avg Close $891.29 Range $832.88 - $942.35
Q3 2018
Shares 1,598 Value ($000) $1,495 Avg Close $926.90 Range $895.01 - $980.89
Q2 2018
Shares 1,839 Value ($000) $1,667 Avg Close $880.88 Range $804.40 - $933.70
Q1 2018
Shares 1,839 Value ($000) $1,512 Avg Close $825.48 Range $786.23 - $858.09
Q4 2017
Shares 1,839 Value ($000) $1,565 Avg Close $874.10 Range $841.33 - $903.26
Q3 2017
Shares 1,839 Value ($000) $1,576 Avg Close $859.82 Range $838.65 - $888.00
Q2 2017
Shares 2,318 Value ($000) $2,013 Avg Close $867.55 Range $845.41 - $900.05
Q1 2017
Shares 2,318 Value ($000) $2,039 Avg Close $895.74 Range $834.20 - $948.94
Q4 2016
Shares 2,318 Value ($000) $1,937 Avg Close $838.09 Range $815.04 - $874.69
Q3 2016
Shares 2,318 Value ($000) $1,923 Avg Close $824.01 Range $804.44 - $852.58
Q2 2016
Shares 2,318 Value ($000) $1,951 Avg Close $815.85 Range $786.33 - $845.37
Q1 2016
Shares 2,318 Value ($000) $1,860 Avg Close $748.05 Range $689.31 - $809.99
Q4 2015
Shares 2,318 Value ($000) $1,684 Avg Close $765.83 Range $721.00 - $808.00
Q3 2015
Shares 2,318 Value ($000) $1,732 Avg Close $719.51 Range $645.00 - $778.19
Q2 2015
Shares 2,318 Value ($000) $1,518 Avg Close $663.32 Range $635.00 - $704.50
Q1 2015
Shares 2,318 Value ($000) $1,586 Avg Close $659.70 Range $618.00 - $696.48
Q4 2014
Shares 2,318 Value ($000) $1,460 Avg Close $635.98 Range $610.00 - $682.87
Q3 2014
Shares 2,318 Value ($000) $1,460 Avg Close $624.10 Range $599.35 - $645.00
Q2 2014
Shares 2,318 Value ($000) $1,410 Avg Close $595.51 Range $583.51 - $608.63
Q1 2014
Shares 2,318 Value ($000) $1,390 Avg Close $583.55 Range $557.26 - $603.88
Q4 2013
Shares 2,318 Value ($000) $1,397 Avg Close $589.37 Range $566.30 - $606.94
Q3 2013
Shares 2,518 Value ($000) $1,429 Avg Close $580.72 Range $555.51 - $615.88
Q2 2013
Shares 2,518 Value ($000) $1,508 Avg Close $583.58 Range $561.79 - $615.00