<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)