Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-10-054516
Filing Date
2010-10-29
Accepted
2010-10-29 08:35:13
Documents
13
Period of Report
2010-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q a10-17428_110q.htm 10-Q 3170063
2 EX-10.1 a10-17428_1ex10d1.htm EX-10.1 19417
3 EX-10.2 a10-17428_1ex10d2.htm EX-10.2 17275
4 EX-31.1 a10-17428_1ex31d1.htm EX-31.1 9572
5 EX-31.2 a10-17428_1ex31d2.htm EX-31.2 9598
6 EX-32.1 a10-17428_1ex32d1.htm EX-32.1 5386
7 EX-32.2 a10-17428_1ex32d2.htm EX-32.2 5410
  Complete submission text file 0001104659-10-054516.txt   12998844

Data Files

Seq Description Document Type Size
8 EX-101.INS wtm-20100930.xml EX-101.INS 2491473
9 EX-101.SCH wtm-20100930.xsd EX-101.SCH 28158
10 EX-101.CAL wtm-20100930_cal.xml EX-101.CAL 70180
11 EX-101.LAB wtm-20100930_lab.xml EX-101.LAB 361223
12 EX-101.PRE wtm-20100930_pre.xml EX-101.PRE 156830
13 EX-101.DEF wtm-20100930_def.xml EX-101.DEF 112056
Mailing Address 80 SOUTH MAIN STREET HANOVER NH 03755
Business Address 80 SOUTH MAIN ST HANOVER NH 03755 603 640 2200
WHITE MOUNTAINS INSURANCE GROUP LTD (Filer) CIK: 0000776867 (see all company filings)

EIN.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-08993 | Film No.: 101149795
SIC: 6331 Fire, Marine & Casualty Insurance