<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AND THE CONDENSED CONSOLIDTED STATEMENT OF
INCOME INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 2000,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 237,949
<SECURITIES> 57,408
<RECEIVABLES> 90,476
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 389,289
<PP&E> 18,475
<DEPRECIATION> 13,324
<TOTAL-ASSETS> 523,705
<CURRENT-LIABILITIES> 42,976
<BONDS> 0
0
0
<COMMON> 2,114
<OTHER-SE> 434,257
<TOTAL-LIABILITY-AND-EQUITY> 523,705
<SALES> 0
<TOTAL-REVENUES> 63,230
<CGS> 0
<TOTAL-COSTS> 28,220
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 39,643
<INCOME-TAX> 10,704
<INCOME-CONTINUING> 28,939
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 28,939
<EPS-BASIC> .14
<EPS-DILUTED> .12
</TABLE>