9-MOS DEC-31-1998 JAN-01-1998 SEP-30-1998 882,825 0 825,668 0 0 7,606,865 22,925,187 13,972,070 18,398,562 10,422,268 1,879,017 0 6,248 15,255 6,075,774 18,398,562 2,353,435 3,409,807 0 22,398,791 0 0 2,880,307 (21,869,291) 0 (21,869,291) 0 8,876,685...

  


                     5

          HYBRIDON, INC. AND SUBSIDIARIES
          (A DEVELOPMENT STAGE COMPANY)


       
                                       
                            9-MOS
                                               DEC-31-1998 
                                                  JAN-01-1998 
                                                    SEP-30-1998 
                                                              882,825 
                                                              0 
                                                       825,668 
                                                              0 
                                                               0 
                                                  7,606,865 
                                                           22,925,187 
                                                   13,972,070 
                                                   18,398,562 
                                            10,422,268 
                                                           1,879,017 
                                                     0 
                                                           6,248 
                                                             15,255 
                                                        6,075,774 
                                     18,398,562 
                                                           2,353,435 
                                                  3,409,807 
                                                                     0 
                                                    22,398,791 
                                                          0 
                                                          0 
                                                2,880,307 
                                                 (21,869,291)
                                                              0 
                                             (21,869,291)
                                                            0 
                                                   8,876,685 
                                                                 0 
                                                    (12,992,606)
                                                         (1.22)
                                                         (1.22)