<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMARY FINANCIAL INFORMATION EXTRACTED FROM THE FINANCIAL
STATEMENTS OF CITRIX SYSTEMS, INC. FOR THE PERIOD ENDED MARCH 31, 1999 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                         413,104
<SECURITIES>                                    43,375
<RECEIVABLES>                                   49,945
<ALLOWANCES>                                     6,171
<INVENTORY>                                      4,761
<CURRENT-ASSETS>                               536,659
<PP&E>                                          23,925
<DEPRECIATION>                                   8,673
<TOTAL-ASSETS>                                 805,245
<CURRENT-LIABILITIES>                          121,644
<BONDS>                                        301,894
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            87
<OTHER-SE>                                     342,750
<TOTAL-LIABILITY-AND-EQUITY>                   805,245
<SALES>                                         85,039
<TOTAL-REVENUES>                                85,039
<CGS>                                            4,522
<TOTAL-COSTS>                                    4,522
<OTHER-EXPENSES>                                43,363
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 404
<INCOME-PRETAX>                                 40,263
<INCOME-TAX>                                    14,495
<INCOME-CONTINUING>                             25,768
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    25,768
<EPS-PRIMARY>                                     0.30
<EPS-DILUTED>                                     0.28