<ARTICLE>                               5
<CIK>                                   0000722830
<NAME>                                  IMMUNOMEDICS, INC.
<MULTIPLIER>                            1

                                     
<PERIOD-TYPE>                            6-MOS
<FISCAL-YEAR-END>                        JUN-30-2001
<PERIOD-START>                           JUL-01-2000
<PERIOD-END>                             DEC-31-2000
<CASH>                                   3,929,916
<SECURITIES>                            34,931,387
<RECEIVABLES>                            1,157,082
<ALLOWANCES>                               (66,398)
<INVENTORY>                                780,109
<CURRENT-ASSETS>                        41,761,380
<PP&E>                                  11,934,685
<DEPRECIATION>                          (8,236,181)
<TOTAL-ASSETS>                          45,736,041
<CURRENT-LIABILITIES>                    3,781,975
<BONDS>                                          0
<PREFERRED-MANDATORY>                            0
<PREFERRED>                                      0
<COMMON>                                   495,086
<OTHER-SE>                              41,276,980
<TOTAL-LIABILITY-AND-EQUITY>            45,736,041
<SALES>                                  2,172,338
<TOTAL-REVENUES>                         3,766,238
<CGS>                                      362,810
<TOTAL-COSTS>                            7,942,696
<OTHER-EXPENSES>                                 0
<LOSS-PROVISION>                                 0
<INTEREST-EXPENSE>                               0
<INCOME-PRETAX>                         (4,176,458)
<INCOME-TAX>                                     0
<INCOME-CONTINUING>                     (4,176,458)
<DISCONTINUED>                                   0
<EXTRAORDINARY>                                  0
<CHANGES>                                        0
<NET-INCOME>                            (4,176,458)
<EPS-BASIC>                                  (0.08)
<EPS-DILUTED>                                (0.08)