<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 55,819,433 55,819,433
<SECURITIES> 306,848,738 306,848,738
<RECEIVABLES> 26,998,891 26,998,891
<ALLOWANCES> 0 0
<INVENTORY> 0 0
<CURRENT-ASSETS> 441,086,467 441,086,467
<PP&E> 47,569,408 47,569,408
<DEPRECIATION> 0 0
<TOTAL-ASSETS> 1,394,572,869 1,394,572,869
<CURRENT-LIABILITIES> 53,611,955 53,611,955
<BONDS> 0 0
0 0
0 0
<COMMON> 31,283 31,283
<OTHER-SE> 1,296,924,477 1,296,924,477
<TOTAL-LIABILITY-AND-EQUITY> 1,394,572,869 1,394,572,869
<SALES> 0 0
<TOTAL-REVENUES> 57,695,129 142,788,889
<CGS> 0 0
<TOTAL-COSTS> 10,363,743 24,604,777
<OTHER-EXPENSES> 99,265,292 325,838,033
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 0 0
<INCOME-PRETAX> (49,577,299) (184,283,072)
<INCOME-TAX> (878,461) 933,728
<INCOME-CONTINUING> (48,698,838) (185,216,800)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 (1,238,040)
<NET-INCOME> (48,698,838) (186,454,840)
<EPS-BASIC> (0.17) (0.66)
<EPS-DILUTED> (0.17) (0.66)
</TABLE>