[ARTICLE] 6
[CIK] 0000943309
[NAME] SB INSTITUTIONAL CASH
[SERIES]
   [NUMBER] 1
   [NAME] SB INSTITUTIONAL CASH MANAGEMENT FUND INC.
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          MAY-31-1997
[PERIOD-END]                               MAY-31-1997
[INVESTMENTS-AT-COST]                      226,472,733
[INVESTMENTS-AT-VALUE]                     226,472,733
[RECEIVABLES]                                  877,683
[ASSETS-OTHER]                                  10,083
[OTHER-ITEMS-ASSETS]                           456,757
[TOTAL-ASSETS]                             227,817,256
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      672,893
[TOTAL-LIABILITIES]                            672,893
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   227,144,363
[SHARES-COMMON-STOCK]                      227,144,362
[SHARES-COMMON-PRIOR]                      212,504,156
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                              0
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                             0
[NET-ASSETS]                               227,817,256
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                            4,857,659
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 170,050
[NET-INVESTMENT-INCOME]                      4,687,659
[REALIZED-GAINS-CURRENT]                           324
[APPREC-INCREASE-CURRENT]                            0
[NET-CHANGE-FROM-OPS]                        4,687,983
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    4,687,659
[DISTRIBUTIONS-OF-GAINS]                           324
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                  1,070,427,556
[NUMBER-OF-SHARES-REDEEMED]              1,125,017,499
[SHARES-REINVESTED]                          4,162,496
[NET-CHANGE-IN-ASSETS]                      50,427,447
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          242,620
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                321,067
[AVERAGE-NET-ASSETS]                       179,227,302
[PER-SHARE-NAV-BEGIN]                             1.00
[PER-SHARE-NII]                                   .026
[PER-SHARE-GAIN-APPREC]                              0
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                         .026
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               1.00
[EXPENSE-RATIO]                                    .19
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>