SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-11-041664
Filing Date
2011-07-29
Accepted
2011-07-29 08:25:59
Documents
11
Period of Report
2011-06-30

Document Format Files

Seq Description Document Type Size
1 10-Q a11-13993_110q.htm 10-Q 3137311
2 EX-31.1 a11-13993_1ex31d1.htm EX-31.1 10594
3 EX-31.2 a11-13993_1ex31d2.htm EX-31.2 10192
4 EX-32.1 a11-13993_1ex32d1.htm EX-32.1 6262
5 EX-32.2 a11-13993_1ex32d2.htm EX-32.2 6288
  Complete submission text file 0001104659-11-041664.txt   27189108

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT wtm-20110630.xml EX-101.INS 5764449
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT wtm-20110630.xsd EX-101.SCH 161180
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT wtm-20110630_cal.xml EX-101.CAL 99374
9 XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT wtm-20110630_lab.xml EX-101.LAB 1838669
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT wtm-20110630_pre.xml EX-101.PRE 935074
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT wtm-20110630_def.xml EX-101.DEF 749086
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.: 11995449
SIC: 6331 Fire, Marine & Casualty Insurance