<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM INTERWOVEN,
INC.'S QUARTERLY REPORT ON FORM 10Q FOR THE PERIOD ENDED SEPTEMBER 30, 1999 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                          12,576
<SECURITIES>                                     9,419
<RECEIVABLES>                                    2,882
<ALLOWANCES>                                       288
<INVENTORY>                                          0
<CURRENT-ASSETS>                                26,025
<PP&E>                                           3,256
<DEPRECIATION>                                     959
<TOTAL-ASSETS>                                  29,472
<CURRENT-LIABILITIES>                            6,819
<BONDS>                                              0
<PREFERRED-MANDATORY>                           52,996
<PREFERRED>                                          0
<COMMON>                                             7
<OTHER-SE>                                      31,225
<TOTAL-LIABILITY-AND-EQUITY>                    29,472
<SALES>                                          5,814
<TOTAL-REVENUES>                                 9,281
<CGS>                                              147
<TOTAL-COSTS>                                    3,689
<OTHER-EXPENSES>                                16,999
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  94
<INCOME-PRETAX>                               (11,011)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (11,011)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (11,011)
<EPS-BASIC>                                     (0.74)
<EPS-DILUTED>                                   (0.74)