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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
LEVINE PETER
   2. Issuer Name and Ticker or Trading Symbol
CITRIX SYSTEMS INC [CTXS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP & GM, Virtualization & Mgt
(Last)
(First)
(Middle)
C/O CITRIX SYSTEMS, INC., 851 WEST CYPRESS CREEK ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
06/14/2010
(Street)

FORT LAUDERDALE, FL 33309		 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 06/14/2010   M   15,629 A $ 20.09 46,467 D  
Common Stock 06/14/2010   S   15,629 (1) D $ 44.337 (2) 30,838 D  
Common Stock               114 I By The Summit Family Trust (3)
Common Stock               2,692 I The Peter Levine Children's Trust FBO Tatym A. Levine UAD 12/30/2008 (4)
Common Stock               2,692 I The Peter Levine Children's Trust FBO Oliver T. Levine UAD 12/30/2008 (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Stock Option (Right to Buy) $ 20.09 06/14/2010   M     15,629 03/02/2010(6) 03/02/2014 Common Stock 15,629 $ 0 21,871 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LEVINE PETER
C/O CITRIX SYSTEMS, INC.
851 WEST CYPRESS CREEK ROAD
FORT LAUDERDALE, FL 33309		       SVP & GM, Virtualization & Mgt  

Signatures

 /s/Antonio G. Gomes, Attorney-in-Fact for Peter Levine   06/16/2010
**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) The sales reported in this Form 4 were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person.
(2) These shares were sold in multiple transactions. This price represents the weighted average sales price per share; the actual sale prices per share range from $44.065 to $44.57. The Reporting Person hereby undertakes to provide upon request by the staff of the Securities and Exchange Commission, Citrix Systems, Inc. or any security holders of Citrix Systems, Inc., full information regarding the number of shares sold at each separate price.
(3) Shares received as merger consideration by SP Partners Investment LP pursuant to the acquisition of XenSource, Inc. by Citrix Systems, Inc. and distributed to The Summit Family Trust ("Summit"), an entity of which the reporting person is the trustee and has voting and dispositive power. The reporting person disclaims beneficial ownership with respect to shares held by Summit, except to the extent of his pecuniary interest therein.
(4) These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership with respect to shares held by The Peter Levine Children's Trust FBO Tatym A. Levine UAD 12/30/2008, except to the extent of his pecuniary interest therein.
(5) These shares are held in a trust for the benefit of the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership with respect to shares held by The Peter Levine Children's Trust FBO Oliver T. Levine UAD 12/30/2008, except to the extent of his pecuniary interest therein.
(6) These stock options vest at a rate of 1/3 of the shares underlying the stock option one year from the date of grant and at a rate of 1/36 monthly thereafter.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.