WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

AMG National Trust Bank's Holding History (CIK: 0001388829)

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

Q4 2025
Shares 595 Value ($000) $1,236 Avg Close $1955.46 Range $1648.00 - $2143.25
Q3 2025
Shares 577 Value ($000) $964 Avg Close $1784.36 Range $1659.17 - $1880.11
Q2 2025
Shares 575 Value ($000) $1,033 Avg Close $1778.53 Range $1678.87 - $1937.23
Q1 2025
Shares 574 Value ($000) $1,105 Avg Close $1882.39 Range $1803.96 - $1993.86
Q4 2024
Shares 572 Value ($000) $1,104 Avg Close $1889.39 Range $1708.50 - $2023.00
Q3 2024
Shares 565 Value ($000) $958 Avg Close $1743.65 Range $1666.22 - $1847.78
Q2 2024
Shares 565 Value ($000) $1,027 Avg Close $1768.70 Range $1665.71 - $1899.21
Q1 2024
Shares 568 Value ($000) $1,019 Avg Close $1676.26 Range $1475.00 - $1849.99
Q4 2023
Shares 569 Value ($000) $856 Avg Close $1486.19 Range $1401.01 - $1562.63
Q3 2023
Shares 575 Value ($000) $860 Avg Close $1535.39 Range $1370.75 - $1617.00
Q2 2023
Shares 833 Value ($000) $1,157 Avg Close $1407.80 Range $1319.05 - $1540.09
Q1 2023
Shares 957 Value ($000) $1,318 Avg Close $1434.16 Range $1312.00 - $1560.21
Q4 2022
Shares 1,110 Value ($000) $1,570 Avg Close $1355.05 Range $1276.05 - $1435.45
Q3 2022
Shares 1,097 Value ($000) $1,429 Avg Close $1293.71 Range $1172.00 - $1393.48
Q2 2022
Shares 1,081 Value ($000) $1,347 Avg Close $1161.60 Range $1030.38 - $1291.50
Q1 2022
Shares 1,100 Value ($000) $1,250 Avg Close $1046.91 Range $982.60 - $1141.97
Q4 2021
Shares 971 Value ($000) $985 Avg Close $1056.38 Range $978.51 - $1137.50
Q3 2021
Shares 971 Value ($000) $1,039 Avg Close $1116.81 Range $1056.96 - $1179.20
Q2 2021
Shares 602 Value ($000) $691 Avg Close $1167.46 Range $1100.61 - $1243.00
Q1 2021
Shares 601 Value ($000) $670 Avg Close $1118.45 Range $994.91 - $1267.52
Q4 2020
Shares 591 Value ($000) $591 Avg Close $940.82 Range $778.11 - $1024.02
Q3 2020
Shares 608 Value ($000) $474 Avg Close $864.63 Range $752.10 - $961.96
Q2 2020
Shares 621 Value ($000) $551 Avg Close $901.27 Range $813.24 - $1012.83
Q1 2020
Shares 655 Value ($000) $596 Avg Close $1035.04 Range $629.21 - $1168.21
Q4 2019
Shares 1,133 Value ($000) $1,264 Avg Close $1090.77 Range $1054.00 - $1131.50
Q3 2019
Shares 1,127 Value ($000) $1,217 Avg Close $1066.63 Range $1025.25 - $1104.14
Q2 2019
Shares 1,083 Value ($000) $1,106 Avg Close $961.99 Range $906.22 - $1052.17
Q1 2019
Shares 1,092 Value ($000) $1,011 Avg Close $905.92 Range $850.75 - $961.49
Q4 2018
Shares 1,130 Value ($000) $970 Avg Close $891.29 Range $832.88 - $942.35