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, 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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1. Name and Address of Reporting Person *   Curtis Ross 2. Date of Event Requiring Statement (Month/Day/Year) 05/18/2010 3. Issuer Name and Ticker or Trading Symbol RENAISSANCERE HOLDINGS LTD [RNR] (Last) (First) (Middle) RENAISSANCE HOUSE, 12 CROW LANE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CUO - European Operations 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) PEMBROKE, D0 HM 19 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 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 78,561 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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
Restricted Stock Units	  (2)	  (2)	Common Stock	7,163	$ (3)	D	Â
Non-Qualified Stock Option (right to buy)	05/05/2009(4)	05/05/2018	Common Stock	4,266	$ 50.71	D	Â
Non-Qualified Stock Option (right to buy)	03/03/2009(4)	03/03/2018	Common Stock	22,328	$ 53.86	D	Â
Non-Qualified Stock Option (right to buy)	03/01/2008(4)	03/01/2017	Common Stock	28,043	$ 51.13	D	Â
Non-Qualified Stock Option (right to buy)	03/21/2007(4)	03/21/2016	Common Stock	9,863	$ 42.66	D	Â
Non-Qualified Stock Option (right to buy)	11/04/2006(4)	11/04/2015	Common Stock	16,440	$ 37.51	D	Â
Non-Qualified Stock Option (right to buy)	03/21/2006(4)	03/21/2015	Common Stock	5,452	$ 49.1	D	Â
Non-Qualified Stock Option (right to buy)	03/12/2005(4)	03/12/2014	Common Stock	4,770	$ 53.96	D	Â
Non-Qualified Stock Option (right to buy)	05/16/2004(4)	05/16/2013	Common Stock	3,458	$ 45.43	D	Â
Non-Qualified Stock Option (right to buy)	11/19/2003(4)	11/19/2012	Common Stock	5,000	$ 39.07	D	Â
Non-Qualified Stock Option (right to buy)	08/31/2009(5)	08/31/2014	Common Stock	87,500	$ 74.24	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Curtis Ross RENAISSANCE HOUSE 12 CROW LANE PEMBROKE, D0 HM 19	Â	Â	  CUO - European Operations	Â

Signatures

Ross A. Curtis		05/28/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Comprised of 33,720 Common shares which have vested and 44,841 Common Shares which have not vested. All such shares vest ratably in four equal annual installments from the respective grant dates.
(2)	Each restricted stock unit vests in four equal annual installments beginning on March 1, 2011. Vested units will be settled solely in cash immediately after the vesting date.
(3)	Each restricted stock unit represents a contingent right to receive cash upon settlement equal to the share price of one Common Share of the Issuer.
(4)	All such options vest ratably in four equal annual installments from the respective grant dates. The Date Exercisable is the first vesting date of each individual option.
(5)	Such options vested in their entirety on the fifth anniversary of the grant date.
  Remarks: Exhibit List Exhibit 24.1 - Power of Attorney

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