EDGAR Filing Documents for 0001327330-12-000026

Form 4 - Statement of changes in beneficial ownership of securities:

SEC Accession No. 0001327330-12-000026

Filing Date

2012-07-13

Accepted

2012-07-13 14:03:39

Documents

Period of Report

2012-07-11

Document Format Files

Seq	Description	Document	Type	Size
1	PRIMARY DOCUMENT	edgar.html	4
1	PRIMARY DOCUMENT	edgar.xml	4	3999
2	POWER OF ATTORNEY	jjb_poa2012.txt	EX-24	3639
	Complete submission text file	0001327330-12-000026.txt		9323

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

Mailing Address

Business Address

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

State of Incorp.: D0 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-08993 | Film No.: 12961506
SIC: 6331 Fire, Marine & Casualty Insurance