<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MEDIMMUNE,
INC'S QUARTERLY REPORT ON FORM 10-Q FOR THE NINE MONTHS ENDED September 30,
1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FILING.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           3,364
<SECURITIES>                                   120,648
<RECEIVABLES>                                    7,080
<ALLOWANCES>                                         0
<INVENTORY>                                      7,652
<CURRENT-ASSETS>                                 1,002
<PP&E>                                          18,807
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 160,691
<CURRENT-LIABILITIES>                           12,842
<BONDS>                                         63,328
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           217
<OTHER-SE>                                      83,326
<TOTAL-LIABILITY-AND-EQUITY>                   160,691
<SALES>                                         18,086
<TOTAL-REVENUES>                                23,141
<CGS>                                           11,046
<TOTAL-COSTS>                                   44,707
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,084
<INCOME-PRETAX>                               (18,770)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (18,770)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (18,770)
<EPS-PRIMARY>                                    (.90)
<EPS-DILUTED>                                    (.90)