<ARTICLE> 5 <CIK> 0000722830 <NAME> IMMUNOMEDICS, INC. <MULTIPLIER> 1 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> JUN-30-2000 <PERIOD-START> JUL-01-1999 <PERIOD-END> JUN-30-2000 <CASH> 11,114,079 <SECURITIES> 29,751,987 <RECEIVABLES> 666,796 <ALLOWANCES> (63,398) <INVENTORY> 1,036,900 <CURRENT-ASSETS> 43,830,457 <PP&E> 11,731,318 <DEPRECIATION> (7,760,638) <TOTAL-ASSETS> 48,026,137 <CURRENT-LIABILITIES> 3,677,607 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 493,291 <OTHER-SE> 43,602,827 <TOTAL-LIABILITY-AND-EQUITY> 48,026,137 <SALES> 4,123,997 <TOTAL-REVENUES> 5,973,455 <CGS> 375,076 <TOTAL-COSTS> 15,608,982 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (9,635,527) <INCOME-TAX> 0 <INCOME-CONTINUING> (9,635,527) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (9,635,527) <EPS-BASIC> (0.23) <EPS-DILUTED> (0.23)