WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Columbia Asset Management's Holding History (CIK: 0001585047)

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

Q4 2025
Shares 125 Value ($000) $260 Avg Close $1955.46 Range $1648.00 - $2143.25
Q3 2025
Shares 125 Value ($000) $209 Avg Close $1784.36 Range $1659.17 - $1880.11
Q2 2025
Shares 125 Value ($000) $224 Avg Close $1778.53 Range $1678.87 - $1937.23
Q1 2025
Shares 125 Value ($000) $241 Avg Close $1882.39 Range $1803.96 - $1993.86
Q4 2024
Shares 125 Value ($000) $243 Avg Close $1889.39 Range $1708.50 - $2023.00
Q4 2019
Shares 184 Value ($000) $2,053 Avg Close $1090.77 Range $1054.00 - $1131.50
Q1 2019
Shares 184 Value ($000) $170 Avg Close $905.92 Range $850.75 - $961.49
Q4 2018
Shares 184 Value ($000) $158 Avg Close $891.29 Range $832.88 - $942.35
Q3 2018
Shares 184 Value ($000) $172 Avg Close $926.90 Range $895.01 - $980.89
Q4 2016
Shares 184 Value ($000) $154 Avg Close $838.09 Range $815.04 - $874.69