SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* BERKOWITZ BRUCE R (Last) (First) (Middle) C/O WHITE MOUNTAINS INSRUANCE GROUP, LTD 80 SOUTH MAIN STREET (Street) HANOVER NH 03755 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/21/2004	3. Issuer Name and Ticker or Trading Symbol WHITE MOUNTAINS INSURANCE GROUP LTD [ WTM ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	83,500	I	See footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Fairholme Partners L.P. ("Fairholme Partners") is the beneficial owner of 75,000 Common Shares of WTM; Fairholme Ventures II, LLC ("Fairholme Ventures") is the beneficial owner of 1,500 Common Shares of WTM; and Fairholme Funds, Inc./The Fairholme Fund (the "Fairholme Fund") is the beneficial owner of 7,000 Common Shares of WTM. Mr. Berkowitz is the Managing Member of the General Partner of each of Fairholme Partners and Fairholme Ventures and Managing Member of the Investment Adviser to Fairholme Fund. Mr. Berkowitz disclaims beneficial ownership of the WTM Common Shares owned by Fairholme Partners, Fairholme Ventures and Fairholme Fund except to the extent of his pecuniary interest therein.

Remarks:

	Dennis P. Beaulieu, by Power of Attorney	05/24/2004
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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