Form: SC 13G/A

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

February 6, 2004

SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

Published on February 6, 2004

SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO.: 1 )*



Name of issuer: Renaissancere Holdings Ltd.


Title of Class of Securities: Common


CUSIP Number: G7496G103


Date of Event Which Requires Filing of this Statement: December 31, 2003

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
(X) Rule 13d-1(b)
( ) Rule 13d-1(c)
( ) 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 be "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).


(Continued on the following page(s))



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13G

CUSIP No.: G7496G103


1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Vanguard Windsor Funds - Vanguard Windsor Fund

2. CHECK THE APPROPRIATE [LINE] IF A MEMBER OF A GROUP

A. B. X

3. SEC USE ONLY



4. CITIZENSHIP OF PLACE OF ORGANIZATION

Delaware

(For questions 5-8, report the number of shares beneficially owned by each
reporting person with:)

5. SOLE VOTING POWER

3,818,600

6. SHARED VOTING POWER

-0-

7. SOLE DISPOSITIVE POWER

-0-

8. SHARED DISPOSITIVE POWER

3,818,600

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

3,818,600

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

N/A

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

5.43

12. TYPE OF REPORTING PERSON

IV
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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
----------
SCHEDULE 13G
UNDER THE SECURITIES ACT OF 1934
----------


Check the following [line] if a fee is being paid with this statement N/A

Item 1(a) - Name of Issuer:

Renaissancere Holdings Ltd.


Item 1(b) - Address of Issuer's Principal Executive Offices:

Renaissance House, 8-12 East Broadway, Pembroke, Bermuda, DO HM19


Item 2(a) - Name of Person Filing:

Vanguard Windsor Funds - Vanguard Windsor Fund

Item 2(b) - Address of Principal Business Office or, if none, residence:

100 Vanguard Blvd., Malvern, PA 19355

Item 2(c) - Citizenship:

The fund is a business trust organized under the laws of the
Commonwealth of Delaware.

Item 2(d) - Title of Class of Securities:

Common

Item 2(e) - CUSIP Number

G7496G103


Item 3 - Type of Filing:

This statement is being filed pursuant to Rule 13d-1. The person
filing is an investment company registered under Section 8 of the
Investment Company Act.


Item 4 - Ownership:

(a) Amount Beneficially Owned:

3,818,600

(b) Percent of Class:

5.43

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(c) Number of shares as to which such person has:

(i) sole power to vote or direct to vote: 3,818,600

(ii) shared power to vote or direct to vote: -0-

(iii) sole power to dispose of or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of:
3,818,600

Item 5 - Ownership of Five Percent or Less of a Class:

Not applicable

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 Group:

Not applicable

Item 9 - Notice of Dissolution of Group:

Not applicable

Item 10 - Certification:

By signing below I certify than, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired for the purpose of and do not have the effect of
changing or influencing the control of the issuer of such securities and were
not acquired in connection with or as a participant in any transaction having
such purpose or effect.

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: 2-6-2004 BY /S/ CHRISTOPHER WIGHTMAN
------------ -----------------------------------------
CHRISTOPHER WIGHTMAN



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