Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Ashley William J
   2. Issuer Name and Ticker or Trading Symbol
RENAISSANCERE HOLDINGS LTD [RNR] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
FormerPresCEORenReInsHldgsLtd.
(Last)
(First)
(Middle)
RENAISSANCE HOUSE, 8-20 EAST BROADWAY		 3. Date of Earliest Transaction (Month/Day/Year)
03/04/2010
(Street)

PEMBROKE, BERMUDA, D0 HM 19		 4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/04/2010   M   23,000 A $ 37.51 78,847 D  
Common Stock 03/04/2010   F   17,840 (1) D $ 56.79 61,007 D  
Common Stock 03/05/2010   S   5,160 D $ 56.65 (2) 55,847 D  
Common Stock 03/04/2010   M   10,077 A $ 29.77 65,924 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $ 37.51 03/04/2010   M     23,000 11/04/2006 11/04/2015 Common Stock 23,000 $ 0 0 D  
Incentive Stock Option (right to buy) $ 29.77 03/04/2010   M     10,077 01/11/2003 01/11/2012 Common Stock 10,077 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Ashley William J
RENAISSANCE HOUSE
8-20 EAST BROADWAY
PEMBROKE, BERMUDA, D0 HM 19		       FormerPresCEORenReInsHldgsLtd.  

Signatures

 /s/ Stephen H. Weinstein, Attorney-in-Fact   03/08/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) Represents exclusively shares withheld by Issuer in respect of payment of the exercise price upon exercise of the stock options.
(2) Represents a weighted average sale price; the sales prices ranged from $56.58 to $56.71. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission, the issuer or a security holder of the issuer.
 
Remarks:
This Form 4 is being filed exclusively to report two option exercises: (x) the exercise of Non-Qualified Stock Options at an exercise price of $37.51 per share, settled by the surrender of 17,840 shares of common stock, and the concurrent disposition of the 5,160 shares of Common Stock issued thereupon; and (y) the exercise of Incentive Stock Options for 10,077 shares of Common Stock for which the exercise price of $29.77 was paid in cash.

As announced by the Company on January 11, 2010, the Reporting Person has retired from his executive positions with the Company.

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