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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-11-010544
Filing Date
2011-02-28
Accepted
2011-02-28 08:09:20
Documents
18
Period of Report
2010-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a11-1984_110k.htm 10-K 7214954
2 EX-10.16 a11-1984_1ex10d16.htm EX-10.16 53392
3 EX-10.24 a11-1984_1ex10d24.htm EX-10.24 13799
4 EX-12 a11-1984_1ex12.htm EX-12 40581
5 EX-21 a11-1984_1ex21.htm EX-21 51224
6 EX-23 a11-1984_1ex23.htm EX-23 3381
7 EX-24 a11-1984_1ex24.htm EX-24 40863
8 EX-31.1 a11-1984_1ex31d1.htm EX-31.1 13757
9 EX-31.2 a11-1984_1ex31d2.htm EX-31.2 12565
10 EX-32.1 a11-1984_1ex32d1.htm EX-32.1 6498
11 EX-32.2 a11-1984_1ex32d2.htm EX-32.2 7011
18 GRAPHIC g19841ba09i001.gif GRAPHIC 8781
  Complete submission text file 0001104659-11-010544.txt   23641417

Data Files

Seq Description Document Type Size
12 EX-101.INS wtm-20101231.xml EX-101.INS 4302353
13 EX-101.SCH wtm-20101231.xsd EX-101.SCH 40524
14 EX-101.CAL wtm-20101231_cal.xml EX-101.CAL 82546
15 EX-101.LAB wtm-20101231_lab.xml EX-101.LAB 449627
16 EX-101.PRE wtm-20101231_pre.xml EX-101.PRE 193586
17 EX-101.DEF wtm-20101231_def.xml EX-101.DEF 126805
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)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-08993 | Film No.: 11643170
SIC: 6331 Fire, Marine & Casualty Insurance
Assistant Director 1