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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)

IRS No.: 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