<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED STATEMENT OF FINANCIAL CONDITION AS OF JUNE 30, 1998 AND
CONSOLIDATED STATEMENT OF OPERATIONS FOR THE THREE MONTHS ENDED JUNE 30, 1998
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>                          DEC-31-1998
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                          56,188
<INT-BEARING-DEPOSITS>                               0
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                          0
<INVESTMENTS-CARRYING>                         249,454
<INVESTMENTS-MARKET>                           249,454
<LOANS>                                         51,756
<ALLOWANCE>                                          0
<TOTAL-ASSETS>                                 441,908
<DEPOSITS>                                           0
<SHORT-TERM>                                   230,637
<LIABILITIES-OTHER>                              5,907
<LONG-TERM>                                     45,222
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       166,981
<OTHER-SE>                                     (6,839)
<TOTAL-LIABILITIES-AND-EQUITY>                 441,908
<INTEREST-LOAN>                                  1,324
<INTEREST-INVEST>                                3,606
<INTEREST-OTHER>                                   160
<INTEREST-TOTAL>                                 5,090
<INTEREST-DEPOSIT>                                   0
<INTEREST-EXPENSE>                               1,501
<INTEREST-INCOME-NET>                            3,589
<LOAN-LOSSES>                                        0
<SECURITIES-GAINS>                                   0
<EXPENSE-OTHER>                                    910
<INCOME-PRETAX>                                  3,042
<INCOME-PRE-EXTRAORDINARY>                       3,042
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,042
<EPS-PRIMARY>                                     0.27
<EPS-DILUTED>                                     0.27
<YIELD-ACTUAL>                                       0
<LOANS-NON>                                          0
<LOANS-PAST>                                         0
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                     0
<CHARGE-OFFS>                                        0
<RECOVERIES>                                         0
<ALLOWANCE-CLOSE>                                    0
<ALLOWANCE-DOMESTIC>                                 0
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                              0
        

</TABLE>