<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM INTERWOVEN
INC'S REPORT ON FORM 10-K FOR THE PERIOD ENDED DECEMBER 31, 1999 AND IS
QUALIFIED IN ITS ENTIRELY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          10,983
<SECURITIES>                                    61,129
<RECEIVABLES>                                    5,446
<ALLOWANCES>                                       288
<INVENTORY>                                          0
<CURRENT-ASSETS>                                62,152
<PP&E>                                           4,398
<DEPRECIATION>                                   1,253
<TOTAL-ASSETS>                                  83,079
<CURRENT-LIABILITIES>                            7,739
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            23
<OTHER-SE>                                      75,317
<TOTAL-LIABILITY-AND-EQUITY>                    75,340
<SALES>                                         10,706
<TOTAL-REVENUES>                                16,806
<CGS>                                              181
<TOTAL-COSTS>                                    6,757
<OTHER-EXPENSES>                                27,065
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 111
<INCOME-PRETAX>                               (15,655)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (15,655)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (15,655)
<EPS-BASIC>                                     (3.79)
<EPS-DILUTED>                                   (3.79)