# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-11-023962
Filing Date
2011-04-29
Accepted
2011-04-29 08:21:58
Documents
11
Period of Report
2011-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | a11-9377_110q.htm | 10-Q | 2336418
2 | EX-31.1 | a11-9377_1ex31d1.htm | EX-31.1 | 9419
3 | EX-31.2 | a11-9377_1ex31d2.htm | EX-31.2 | 9394
4 | EX-32.1 | a11-9377_1ex32d1.htm | EX-32.1 | 5337
5 | EX-32.2 | a11-9377_1ex32d2.htm | EX-32.2 | 5396
| Complete submission text file | 0001104659-11-023962.txt |  | 10339080

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL INSTANCE DOCUMENT | wtm-20110331.xml | EX-101.INS | 1920379
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20110331.xsd | EX-101.SCH | 40927
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wtm-20110331_cal.xml | EX-101.CAL | 66874
9 | XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT | wtm-20110331_lab.xml | EX-101.LAB | 473196
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20110331_pre.xml | EX-101.PRE | 194990
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wtm-20110331_def.xml | EX-101.DEF | 127234

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.: 11791041
SIC: 6331 Fire, Marine & Casualty Insurance