<ARTICLE> 5 <CIK> 0000816284 <NAME> CELGENE CORPORATION <MULTIPLIER> 1 <CURRENCY> US DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JUL-01-2000 <PERIOD-END> SEP-30-2000 <EXCHANGE-RATE> 1 <CASH> 159,376,233 <SECURITIES> 139,934,298 <RECEIVABLES> 9,058,733 <ALLOWANCES> 396,832 <INVENTORY> 4,354,838 <CURRENT-ASSETS> 320,128,019 <PP&E> 22,336,529 <DEPRECIATION> (16,262,414) <TOTAL-ASSETS> 331,986,750 <CURRENT-LIABILITIES> 32,983,728 <BONDS> 20,317,772 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 708,767 <OTHER-SE> 278,164,939 <TOTAL-LIABILITY-AND-EQUITY> 331,986,750 <SALES> 45,201,534 <TOTAL-REVENUES> 56,926,817 <CGS> 6,404,173 <TOTAL-COSTS> 87,077,713 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 2,011,785 <INCOME-PRETAX> (19,527,821) <INCOME-TAX> 0 <INCOME-CONTINUING> (19,527,821) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 450,000 <NET-INCOME> (19,977,821) <EPS-BASIC> (0.31) <EPS-DILUTED> (0.31)