Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  LEVINE PETER
2. Date of Event Requiring Statement (Month/Day/Year)
10/19/2007
3. Issuer Name and Ticker or Trading Symbol
CITRIX SYSTEMS INC [CTXS]
(Last)
(First)
(Middle)
851 WEST CYPRESS CREEK ROAD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP, Delivery Systems Division
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

FORT LAUDERDALE, FL 33309
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 107,358 (1)
I
By SP Partners LLC

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
Stock Option (Right to Buy) 10/19/2008(2) 10/19/2012 Common Stock 794,486 $ 0.72 D  
Stock Option (Right to Buy) 10/19/2008(2) 10/19/2012 Common Stock 268,452 $ 3.27 D  
Stock option (Right to Buy) 10/19/2008(2) 10/19/2012 Common Stock 122,589 $ 15.5 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
LEVINE PETER
851 WEST CYPRESS CREEK ROAD
FORT LAUDERDALE, FL 33309
      SVP, Delivery Systems Division  

Signatures

/s/Lynn k. Gefen, Attorney-in Fact for Peter Levine 10/29/2007
**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) Shares received as merger consideration by SP Partners LLC, an entity of which reporting person in a general partner, pursuant to the acquisition of XenSource, Inc. by Citrix Systems, Inc. The reporting person disclaims beneficial ownership with such shares, except to the extent of his pecuniary interest therein.
(2) Options assumed by Citrix Systems, Inc. pursuant to the acquisition of XenSource, Inc. This issuance of such options was approved by the Board of Directors of Citrix Systems, Inc. pursuant to Rule 16b-3 under the Securities and Exchange Act of 1934, as amended. Stock Options vest at a rate of 1/3 of the shares underlying the stock options one year from the date of grant and at a rate of 1/36 monthly thereafter. The Stock Options expire on October 19, 2012.

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