WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

OSAIC HOLDINGS, INC.'s Holding History (CIK: 0001677044)

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

Q4 2025

Shares 410 Value ($000) $852 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 413 Value ($000) $731 Avg Close $1784.36 Range $1659.17 - $1880.11

Q2 2025

Shares 390 Value ($000) $701 Avg Close $1778.53 Range $1678.87 - $1937.23

Q1 2025

Shares 371 Value ($000) $714 Avg Close $1882.39 Range $1803.96 - $1993.86

Q4 2024

Shares 526 Value ($000) $1,023 Avg Close $1889.39 Range $1708.50 - $2023.00

Q3 2024

Shares 386 Value ($000) $655 Avg Close $1743.65 Range $1666.22 - $1847.78

Q2 2024

Shares 594 Value ($000) $1,080 Avg Close $1768.70 Range $1665.71 - $1899.21

Q1 2024

Shares 363 Value ($000) $651 Avg Close $1676.26 Range $1475.00 - $1849.99

Q4 2023

Shares 1,092 Value ($000) $1,644 Avg Close $1486.19 Range $1401.01 - $1562.63

Q3 2023

Shares 1,458 Value ($000) $2,181 Avg Close $1535.39 Range $1370.75 - $1617.00

Q2 2023

Shares 1,070 Value ($000) $1,489 Avg Close $1407.80 Range $1319.05 - $1540.09

Q1 2023

Shares 1,101 Value ($000) $1,517 Avg Close $1434.16 Range $1312.00 - $1560.21

Q4 2022

Shares 1,081 Value ($000) $1,529 Avg Close $1355.05 Range $1276.05 - $1435.45

Q3 2022

Shares 1,103 Value ($000) $1,437 Avg Close $1293.71 Range $1172.00 - $1393.48

Q2 2022

Shares 1,058 Value ($000) $1,319 Avg Close $1161.60 Range $1030.38 - $1291.50

Q1 2022

Shares 2,016 Value ($000) $5,847 Avg Close $1046.91 Range $982.60 - $1141.97

Q4 2021

Shares 2,021 Value ($000) $2,047 Avg Close $1056.38 Range $978.51 - $1137.50

Q3 2021

Shares 1,667 Value ($000) $1,783 Avg Close $1116.81 Range $1056.96 - $1179.20

Q2 2021

Shares 2,041 Value ($000) $2,345 Avg Close $1167.46 Range $1100.61 - $1243.00

Q1 2021

Shares 1,927 Value ($000) $2,149 Avg Close $1118.45 Range $994.91 - $1267.52

Q4 2020

Shares 1,885 Value ($000) $1,886 Avg Close $940.82 Range $778.11 - $1024.02

Q3 2020

Shares 1,844 Value ($000) $1,444 Avg Close $864.63 Range $752.10 - $961.96

Q2 2020

Shares 848 Value ($000) $752 Avg Close $901.27 Range $813.24 - $1012.83

Q1 2020

Shares 900 Value ($000) $820 Avg Close $1035.04 Range $629.21 - $1168.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	410	$852	$1955.46	$1648.00 - $2143.25
Q3 2025	413	$731	$1784.36	$1659.17 - $1880.11
Q2 2025	390	$701	$1778.53	$1678.87 - $1937.23
Q1 2025	371	$714	$1882.39	$1803.96 - $1993.86
Q4 2024	526	$1,023	$1889.39	$1708.50 - $2023.00
Q3 2024	386	$655	$1743.65	$1666.22 - $1847.78
Q2 2024	594	$1,080	$1768.70	$1665.71 - $1899.21
Q1 2024	363	$651	$1676.26	$1475.00 - $1849.99
Q4 2023	1,092	$1,644	$1486.19	$1401.01 - $1562.63
Q3 2023	1,458	$2,181	$1535.39	$1370.75 - $1617.00
Q2 2023	1,070	$1,489	$1407.80	$1319.05 - $1540.09
Q1 2023	1,101	$1,517	$1434.16	$1312.00 - $1560.21
Q4 2022	1,081	$1,529	$1355.05	$1276.05 - $1435.45
Q3 2022	1,103	$1,437	$1293.71	$1172.00 - $1393.48
Q2 2022	1,058	$1,319	$1161.60	$1030.38 - $1291.50
Q1 2022	2,016	$5,847	$1046.91	$982.60 - $1141.97
Q4 2021	2,021	$2,047	$1056.38	$978.51 - $1137.50
Q3 2021	1,667	$1,783	$1116.81	$1056.96 - $1179.20
Q2 2021	2,041	$2,345	$1167.46	$1100.61 - $1243.00
Q1 2021	1,927	$2,149	$1118.45	$994.91 - $1267.52
Q4 2020	1,885	$1,886	$940.82	$778.11 - $1024.02
Q3 2020	1,844	$1,444	$864.63	$752.10 - $961.96
Q2 2020	848	$752	$901.27	$813.24 - $1012.83
Q1 2020	900	$820	$1035.04	$629.21 - $1168.21