<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM MEDIMMUNE,
INC.'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1996 AND IS
QUALIFIED IN ITS ENTIRETY TO REFERENCE TO SUCH FILING.
</LEGEND>
       
                             
<MULTIPLIER>1,000
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                          12,629
<SECURITIES>                                   102,136
<RECEIVABLES>                                   10,287
<ALLOWANCES>                                         0
<INVENTORY>                                      6,060
<CURRENT-ASSETS>                                 1,713
<PP&E>                                          29,087
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                 163,971
<CURRENT-LIABILITIES>                           19,536
<BONDS>                                         70,874
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           218
<OTHER-SE>                                      72,647
<TOTAL-LIABILITY-AND-EQUITY>                   163,971
<SALES>                                         35,782
<TOTAL-REVENUES>                                41,099
<CGS>                                           19,678
<TOTAL-COSTS>                                   74,035
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,263
<INCOME-PRETAX>                               (29,544)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (29,544)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (29,544)
<EPS-PRIMARY>                                   (1.41)
<EPS-DILUTED>                                   (1.41)