<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> BD
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION, CONSOLIDATED STATEMENTS OF
OPERATIONS, CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000883974
<NAME> SECTOR STRATEGY FUND IV L.P.
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   9-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1995             DEC-31-1994
<PERIOD-START>                             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               SEP-30-1996             SEP-30-1995
<CASH>                                               0                       0
<RECEIVABLES>                                5,442,447               8,831,733
<SECURITIES-RESALE>                                  0                       0
<SECURITIES-BORROWED>                                0                       0
<INSTRUMENTS-OWNED>                                  0                       0
<PP&E>                                               0                       0
<TOTAL-ASSETS>                               5,442,447               8,831,733
<SHORT-TERM>                                         0                       0
<PAYABLES>                                     242,043                 694,636
<REPOS-SOLD>                                         0                       0
<SECURITIES-LOANED>                                  0                       0
<INSTRUMENTS-SOLD>                                   0                       0
<LONG-TERM>                                          0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                   5,200,404               8,137,097
<TOTAL-LIABILITY-AND-EQUITY>                 5,442,447               8,831,733
<TRADING-REVENUE>                               42,203                 723,695
<INTEREST-DIVIDENDS>                           212,047                 389,552
<COMMISSIONS>                                  427,611                 710,516
<INVESTMENT-BANKING-REVENUES>                        0                       0
<FEE-REVENUE>                                        0                       0
<INTEREST-EXPENSE>                                   0                       0
<COMPENSATION>                                       0                       0
<INCOME-PRETAX>                              (173,361)                 402,731
<INCOME-PRE-EXTRAORDINARY>                   (173,361)                 402,731
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 (173,361)                 402,731
<EPS-PRIMARY>                                   (3.15)                    4.52
<EPS-DILUTED>                                   (3.15)                    4.52
        

</TABLE>