<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED INTERIM CONSOLIDATED FINANCIAL STATEMENTS AND RELATED NOTES AND
MANAGEMENT DISCUSSION AND ANALYSIS CONTAINED IN THE REPORT ON FORM 10-Q FILED BY
SILICON VALLEY BANCSHARES FOR THE SIX MONTHS ENDED 6/30/2000 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                         346,108
<INT-BEARING-DEPOSITS>                             546
<FED-FUNDS-SOLD>                             1,203,233
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                  2,184,348
<INVESTMENTS-CARRYING>                               0
<INVESTMENTS-MARKET>                                 0
<LOANS>                                      1,598,534
<ALLOWANCE>                                     13,800
<TOTAL-ASSETS>                               5,393,225
<DEPOSITS>                                   4,845,222
<SHORT-TERM>                                         0
<LIABILITIES-OTHER>                             73,257
<LONG-TERM>                                          0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            46
<OTHER-SE>                                     436,137
<TOTAL-LIABILITIES-AND-EQUITY>               5,393,225
<INTEREST-LOAN>                                 91,382
<INTEREST-INVEST>                               53,660
<INTEREST-OTHER>                                34,900
<INTEREST-TOTAL>                               179,942
<INTEREST-DEPOSIT>                              26,544
<INTEREST-EXPENSE>                              26,544
<INTEREST-INCOME-NET>                          153,398
<LOAN-LOSSES>                                   23,630
<SECURITIES-GAINS>                              32,133
<EXPENSE-OTHER>                                 96,519
<INCOME-PRETAX>                                148,978
<INCOME-PRE-EXTRAORDINARY>                      88,390
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    88,390
<EPS-BASIC>                                       1.95<F1>
<EPS-DILUTED>                                     1.85<F2>
<YIELD-ACTUAL>                                    .068
<LOANS-NON>                                     26,817
<LOANS-PAST>                                        62
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                76,800
<CHARGE-OFFS>                                   27,512
<RECOVERIES>                                     5,882
<ALLOWANCE-CLOSE>                               73,800
<ALLOWANCE-DOMESTIC>                            54,238
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                         19,562
<FN>
<F1>REPRESENTS BASIC EARNINGS PER SHARE
<F2>REPRESENTS DILUTED EARNINGS PER SHARE
</FN>