1
                            ADVANCED MAGNETICS, INC.


          Exhibit 11 - Statement re: Computation of Per Share Earnings
            Attached to and made part of Part II of Form 10-Q for the
        Three-Month Periods Ended December 31, 1996 and 1995 (unaudited)




                                                                      December 31
                                                               -------------------------
                                                                  1996           1995
                                                               ---------       ---------

                                                                         
Weighted average number of shares issued and outstanding       6,742,358       6,756,072
Common stock equivalents ...............................          90,817             -0-
                                                               ---------       ---------
As adjusted ............................................       6,833,175       6,756,072
                                                               =========       =========




As a result of a net loss in the quarter ended December 31, 1995, common stock
equivalents are not included in the calculation of weighted average shares when
their effect would be antidilutive.

                                 Page 14 of 14