<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> 0000853456
<NAME> JOHN W. HENRY & CO./MILLBURN 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>                               52,852,720              60,611,554
<SECURITIES-RESALE>                                  0                       0
<SECURITIES-BORROWED>                                0                       0
<INSTRUMENTS-OWNED>                                  0                       0
<PP&E>                                               0                       0
<TOTAL-ASSETS>                              52,852,720              60,611,554
<SHORT-TERM>                                         0                       0
<PAYABLES>                                   1,268,838               1,408,349
<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>                                  51,583,882              59,203,205
<TOTAL-LIABILITY-AND-EQUITY>                52,852,720              60,611,554
<TRADING-REVENUE>                            2,846,722              21,428,522
<INTEREST-DIVIDENDS>                         1,703,650               2,192,119
<COMMISSIONS>                                5,031,531               6,348,928
<INVESTMENT-BANKING-REVENUES>                        0                       0
<FEE-REVENUE>                                        0                       0
<INTEREST-EXPENSE>                                   0                       0
<COMPENSATION>                                       0                       0
<INCOME-PRETAX>                              (481,159)              17,271,713
<INCOME-PRE-EXTRAORDINARY>                   (481,159)              17,271,713
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 (481,159)              17,271,713
<EPS-PRIMARY>                                   (1.44)                   43.44
<EPS-DILUTED>                                   (1.44)                   43.44
        

</TABLE>