<TABLE> <S> <C>
<PAGE>
<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, 2000 AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL INFORMATION.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 53,966
<SECURITIES> 163,531
<RECEIVABLES> 37,974
<ALLOWANCES> 500
<INVENTORY> 0
<CURRENT-ASSETS> 204,985
<PP&E> 12,518
<DEPRECIATION> 2,964
<TOTAL-ASSETS> 353,580
<CURRENT-LIABILITIES> 55,285
<BONDS> 0
0
0
<COMMON> 24
<OTHER-SE> 298,271
<TOTAL-LIABILITY-AND-EQUITY> 353,580
<SALES> 51,347
<TOTAL-REVENUES> 77,537
<CGS> 584
<TOTAL-COSTS> 24,756
<OTHER-EXPENSES> 73,880
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (11,926)
<INCOME-TAX> 228
<INCOME-CONTINUING> (12,154)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (12,154)
<EPS-BASIC> (0.27)
<EPS-DILUTED> (0.27)
</TABLE>