<ARTICLE> 5
<CIK> 0000814576
<NAME> PAINEWEBBER R&D PARTNERS II, L.P.
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1994
<PERIOD-END>                               JUN-30-1995
<CASH>                                     5,667
<SECURITIES>                               1,340,327
<RECEIVABLES>                              27,680
<ALLOWANCES>                               0
<INVENTORY>                                0
<CURRENT-ASSETS>                           1,373,674
<PP&E>                                     0
<DEPRECIATION>                             0
<TOTAL-ASSETS>                             1,551,841
<CURRENT-LIABILITIES>                      88,424
<BONDS>                                    0
<COMMON>                                   0
<PREFERRED-MANDATORY>                      0
<PREFERRED>                                0
<OTHER-SE>                                 0
<TOTAL-LIABILITY-AND-EQUITY>               291,759
<SALES>                                    0
<TOTAL-REVENUES>                           (64,864)
<CGS>                                      0
<TOTAL-COSTS>                              0
<OTHER-EXPENSES>                           46,053
<LOSS-PROVISION>                           0
<INTEREST-EXPENSE>                         0
<INCOME-PRETAX>                            (110,917)
<INCOME-TAX>                               0
<INCOME-CONTINUING>                        0
<DISCONTINUED>                             0
<EXTRAORDINARY>                            0
<CHANGES>                                  0
<NET-INCOME>                               (110,917)
<EPS-PRIMARY>                              0
<EPS-DILUTED>                              0