# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-12-014041
Filing Date
2012-02-28
Accepted
2012-02-28 16:15:01
Documents
23
Period of Report
2011-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | a12-1085_110k.htm | 10-K | 7038085
2 | EX-10.7 | a12-1085_1ex10d7.htm | EX-10.7 | 327100
3 | EX-10.8 | a12-1085_1ex10d8.htm | EX-10.8 | 48079
4 | EX-10.9 | a12-1085_1ex10d9.htm | EX-10.9 | 81672
5 | EX-10.10 | a12-1085_1ex10d10.htm | EX-10.10 | 22330
6 | EX-10.21 | a12-1085_1ex10d21.htm | EX-10.21 | 13541
7 | EX-10.22 | a12-1085_1ex10d22.htm | EX-10.22 | 37928
8 | EX-12 | a12-1085_1ex12.htm | EX-12 | 39966
9 | EX-21 | a12-1085_1ex21.htm | EX-21 | 53931
10 | EX-23 | a12-1085_1ex23.htm | EX-23 | 3049
11 | EX-24 | a12-1085_1ex24.htm | EX-24 | 34104
12 | EX-31.1 | a12-1085_1ex31d1.htm | EX-31.1 | 12802
13 | EX-31.2 | a12-1085_1ex31d2.htm | EX-31.2 | 12741
14 | EX-32.1 | a12-1085_1ex32d1.htm | EX-32.1 | 7220
15 | EX-32.2 | a12-1085_1ex32d2.htm | EX-32.2 | 7197
22 | GRAPHIC | g10851ksi001.jpg | GRAPHIC | 1996
23 | GRAPHIC | g10851bii001.gif | GRAPHIC | 7847
| Complete submission text file | 0001104659-12-014041.txt |  | 49549655

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
16 | XBRL INSTANCE DOCUMENT | wtm-20111231.xml | EX-101.INS | 9067183
17 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20111231.xsd | EX-101.SCH | 299521
18 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wtm-20111231_cal.xml | EX-101.CAL | 247260
19 | XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT | wtm-20111231_lab.xml | EX-101.LAB | 3799797
20 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20111231_pre.xml | EX-101.PRE | 1772166
21 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wtm-20111231_def.xml | EX-101.DEF | 1299897

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-K | Act: 34 | File No.: 001-08993 | Film No.: 12647399
SIC: 6331 Fire, Marine & Casualty Insurance