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Filing Detail
Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001327330-12-000017
Filing Date
2012-04-02
Accepted
2012-04-02 16:20:02
Documents
2
Period of Report
2012-03-28

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 3  
1 PRIMARY DOCUMENT edgar.xml 3 2969
2 POWER OF ATTORNEY jjb_poa2012.txt EX-24 3639
  Complete submission text file 0001327330-12-000017.txt   8293
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 (Issuer) CIK: 0000776867 (see all company filings)

IRS No.: 942708455 | State of Incorp.: D0 | Fiscal Year End: 1231
SIC: 6331 Fire, Marine & Casualty Insurance
Office of Finance

Mailing Address
Business Address
BYRNE JOHN JOSEPH (Reporting) CIK: 0001181359 (see all company filings)

State of Incorp.: D0 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-08993 | Film No.: 12733507
SIC: 6331 Fire, Marine & Casualty Insurance
Office of Finance