# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-12-029417
Filing Date
2012-04-27
Accepted
2012-04-27 08:32:56
Documents
11
Period of Report
2012-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | a12-8024_110q.htm | 10-Q | 2715636
2 | EX-31.1 | a12-8024_1ex31d1.htm | EX-31.1 | 9326
3 | EX-31.2 | a12-8024_1ex31d2.htm | EX-31.2 | 9517
4 | EX-32.1 | a12-8024_1ex32d1.htm | EX-32.1 | 5302
5 | EX-32.2 | a12-8024_1ex32d2.htm | EX-32.2 | 5476
| Complete submission text file | 0001104659-12-029417.txt |  | 28327940

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL INSTANCE DOCUMENT | wtm-20120331.xml | EX-101.INS | 5004165
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | wtm-20120331.xsd | EX-101.SCH | 304954
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | wtm-20120331_cal.xml | EX-101.CAL | 124817
9 | XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT | wtm-20120331_lab.xml | EX-101.LAB | 3878206
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | wtm-20120331_pre.xml | EX-101.PRE | 1709578
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | wtm-20120331_def.xml | EX-101.DEF | 1260971

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.: 12785541
SIC: 6331 Fire, Marine & Casualty Insurance