SECURITIES AND EXCHANGE COMMISSION

 

 

Washington, D.C. 20549

 

 

 

 

SCHEDULE 13G

(Rule 13d-102)

 

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b) (c), AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2

(Amendment No. 13)*

 

WHITE MOUNTAINS INSURANCE GROUP, LTD.

(Name of Issuer)

Common Shares

(Title of Class of Securities)

G9618E 10 7

(CUSIP Number)

December 31, 2011

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o

Rule 13d-1(b)

o

Rule 13d-1(c)

x

Rule 13d-1(d)

 

* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 

The information required in the remainder of this cover page shall not be deemed to the "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 



 

CUSIP No. G9618E 10 7

 

 

1

Name of Reporting Persons
S.S. (Optional) or I.R.S. Identification No. of Above Persons
John J. Byrne

 

 

2

Check the Appropriate Box if a Member of a Group

 

 

(a)

o

 

 

(b)

o

 

 

3

SEC Use Only

 

 

4

Citizenship or Place of Organization
United States

 

 

 

Number of
Shares
Beneficially
Owned by
Each
Reporting
Person With

5

Sole Voting Power
685,896**

 

6

Shared Voting Power
31,273**

 

7

Sole Dispositive Power
685,896**

 

8

Shared Dispositive Power
31,273**

 

 

9

Aggregate Amount Beneficially Owned by Each Reporting Person
717,169**

 

 

10

Check if the Aggregate Amount in Row (9) Excludes Certain Shares  o

 

 

11

Percent of Class Represented by Amount in Row (9)
9.5%**

 

 

12

Type of Reporting Person
IN

 


**  For additional information, see Schedule A hereto.

 

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Item 1(a).

Name of Issuer:
White Mountains Insurance Group, Ltd.

Item 1(b).

Address of Issuer’s Principal Executive Offices:
80 South Main Street
Hanover, New Hampshire 03755

 

Item 2(a).

Name of Person Filing:
John J. Byrne

Item 2(b).

Address of Principal Business Office:
80 South Main Street
Hanover, New Hampshire 03755

Item 2(c).

Citizenship:
United States

Item 2(d).

Title of Class of Securities:
Common Shares

Item 2(e).

CUSIP Number:
G9618E 10 7

 

Item 3.

If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b), check whether the person filing is a:

 

Not applicable.

 

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Item 4.

Ownership.

 

(a)

Amount beneficially owned:

See Schedule A hereto.

 

(b)

Percent of class:   

See Schedule A hereto.

 

(c)

Number of shares as to which person filing this Schedule 13G has

 

 

 

(i)

Sole power to vote or to direct the vote;

See Schedule A hereto.

 

 

(ii)

Shared power to vote or to direct the vote;

See Schedule A hereto.

 

 

(iii)

Sole power to dispose or to direct the disposition of; or

See Schedule A hereto.

 

 

(iv)

Shared power to dispose or to direct the disposition of.

See Schedule A hereto.

 

Item 5.

Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following o.

 

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

 

Not applicable.

 

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.

 

Not applicable.

 

Item 8.

Identification and Classification of Members of the Group.

 

Not applicable.

 

Item 9.

Notice of Dissolution of Group.

 

Not applicable.

 

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Item 10.

Certification.

 

Not applicable.

 

SIGNATURE

 

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct.

 

 

Date:

 

 

 

 

 

 

 

 

 

 

 

January 31, 2012

 

By:

/s/ John J. Byrne

 

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Schedule A

 

BENEFICIAL OWNERSHIP AND VOTING OF COMMON SHARES

 

The 9.5% of the common shares of White Mountains Insurance Group, Ltd. (the “Company”) shown in the foregoing Schedule 13G as beneficially owned by Mr. John J. Byrne and/or Mrs. Dorothy M. Byrne was calculated using 7,577,855 common shares of the Company outstanding on December 31, 2011 as shown in the official records of the Company.

 

The 717,169 common shares of the Company shown in the foregoing Schedule 13G as beneficially owned by Mr. Byrne represent (a) 685,896 shares held directly or indirectly by Mr. Byrne as to which Mr. Byrne has dispositive and voting power; (b) 1,221 shares held directly by Mrs. Byrne as to which Mrs. Byrne has dispositive and voting power; (c) 16,081 shares held by a foundation as to which Mr. Byrne and/or Mrs. Byrne have dispositive and voting power; and (d) 13,971  shares held by Memorial Sloan-Kettering Cancer Center (“MSK”) pursuant to a letter agreement between MSK and Mr. and Mrs. Byrne dated December 30, 1992, as to which Mrs. Byrne shares dispositive and voting power.

 

On January 22, 2007, Mr. and Mrs. Byrne irrevocably granted full proxy to vote certain of the shares shown above as beneficially owned by them (totaling 687,117 shares as of December 31, 2011) to Mr. Raymond Barrette, Chairman and Chief Executive Officer of the Company, which proxy expired January 1, 2012.

 


*                                         Mr. Byrne disclaims beneficial ownership of the shares listed in (c) and (d) above.

 

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