SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                 SCHEDULE 13G


                                 (Rule 13d-102)


             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2


                   Under the Securities Exchange Act of 1934
                                (Amendment No.)


                                  IAMGOLD CORP
             -----------------------------------------------------
                                (Name of Issuer)
                                  COMMON STOCK
              -----------------------------------------------------
                         (Title of Class of Securities)

                                   450913108
             -----------------------------------------------------
                                 (CUSIP Number)



Check the following box if a fee is  being paid with this statement [X].


----------
*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



CUSIP No. 450913108               13G                    Page 2 of 8  Pages

--------------------------------------------------------------------------------
   1.  NAME OF REPORTING PERSON(S)
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)

       Morgan  Stanley
       IRS  #  39-314-5972
--------------------------------------------------------------------------------
   2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]
--------------------------------------------------------------------------------
   3.  SEC USE ONLY

--------------------------------------------------------------------------------
   4.  CITIZENSHIP OR PLACE OF ORGANIZATION

       The state of organization is Delaware.
--------------------------------------------------------------------------------
   NUMBER OF      5.   SOLE VOTING POWER
     SHARES            0
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6.   SHARED VOTING POWER
      EACH             6,012,800
   REPORTING      --------------------------------------------------------------
     PERSON       7.   SOLE DISPOSITIVE POWER
      WITH             0
                  --------------------------------------------------------------
                  8.   SHARED DISPOSITIVE POWER
                       6,012,800
--------------------------------------------------------------------------------
   9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       6,012,800
--------------------------------------------------------------------------------
  10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

--------------------------------------------------------------------------------
  11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       7.6478%
--------------------------------------------------------------------------------
  12.  TYPE OF REPORTING PERSON*

       IA, CO
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!


CUSIP No. 450913108                 13G                    Page 3  of 8  Pages

--------------------------------------------------------------------------------
   1.  NAME OF REPORTING PERSON(S)
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)

       Morgan Stanley Equity Financial Services
--------------------------------------------------------------------------------
   2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [  ]
                                                             (b)  [  ]
--------------------------------------------------------------------------------
   3.  SEC USE ONLY


--------------------------------------------------------------------------------
   4.  CITIZENSHIP OR PLACE OF ORGANIZATION

       The state of organization is Delaware.
--------------------------------------------------------------------------------
   NUMBER OF      5.   SOLE VOTING POWER
     SHARES            0
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      6.   SHARED VOTING POWER
      EACH             6,011,000
   REPORTING      --------------------------------------------------------------
     PERSON       7.   SOLE DISPOSITIVE POWER
      WITH             0
                  --------------------------------------------------------------
                  8.   SHARED DISPOSITIVE POWER
                       6,011,000
--------------------------------------------------------------------------------
   9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       6,011,000
--------------------------------------------------------------------------------
  10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

--------------------------------------------------------------------------------
  11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       7.6455%
--------------------------------------------------------------------------------
  12.  TYPE OF REPORTING PERSON*

       BD, CO
--------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT!



CUSIP No. 450913108                  13G                   Page 4  of  8  Pages


Item 1.     (a)   Name of Issuer:
                  IAMGOLD CORP
                  --------------------------------------------------------------
            (b)   Address of Issuer's Principal Executive Offices:
                  2820 FOURTEENTH AVENUE
                  MARKHAM, A6
                  --------------------------------------------------------------
Item 2.     (a)   Name of Person Filing:
                  (a) Morgan Stanley
                  (b) Morgan Stanley Equity Financial Services
                  --------------------------------------------------------------
            (b)   Address of Principal Business Office, or if None, Residence:
                  (a) 1585 Broadway
                      New York, New York 10036

                  (b) 38-40 rue Sainte Zithe
                      L2763, Luxembourg
                  --------------------------------------------------------------
            (c)   Citizenship:
                  Incorporated by reference to Item 4 of the
                  cover page pertaining to each reporting person.
                  --------------------------------------------------------------
            (d)   Title of Class of Securities:
                  Common Stock
                  --------------------------------------------------------------
            (e)   CUSIP Number:
                  450913108
                  --------------------------------------------------------------

Item 3.     (a)   Morgan Stanley is a parent holding company.



 

CUSIP No. 450913108                 13-G                   Page 5  of  8  Pages

Item 4.     Ownership.

            Incorporated by reference  to  Items  (5) - (9) and (11) of the
            cover page.

            (a) Morgan Stanley is filing solely in its
                capacity as the parent company of, and indirect beneficial
                owner of securities held by, one of its business units.

Item 5.     Ownership of Five Percent or Less of a Class.

            Inapplicable

Item 6.     Ownership of More Than Five Percent on Behalf of Another Person.

            Accounts managed on a discretionary basis by Morgan Stanley Equity
            Financial Services, a wholly owned subsidiary of Morgan Stanley, are
            known to have the right to receive or the power
            to direct the receipt of dividends from, or the proceeds from,
            the sale of such  securities.  No such account holds more than 5
            percent of the class.

            See item 4 (a)

Item 7.     Identification and Classification of the Subsidiary which Acquired
            the Security Being Reported on By the Parent Holding Company.

Item 8.     Identification and Classification of Members of the Group.

Item 9.     Notice of Dissolution of Group.

Item 10.    Certification.

            By signing below I certify that, to the best of my knowledge and
            belief, the securities referred to above were acquired in the
            ordinary course of business and were not acquired for the purpose
            of and do not have the effect of changing or influencing the
            control of the issuer of such securities and were not acquired in
            connection with or as a participant in any transaction having
            such purpose or effect.


CUSIP No. 450913108                 13-G                   Page 6 of  8  Pages


                                  Signature.


            After reasonable inquiry and to the best of my knowledge and
            belief, I certify that the information set forth in this
            statement is true, complete and correct.

Date:       February 10, 2003


Signature:  /s/ Dennine Bullard
            -----------------------------------------------------------------

Name/Title  Dennine Bullard/ Vice President Morgan Stanley & Co. Incorporated
            -----------------------------------------------------------------
            MORGAN STANLEY

Date:       February 10, 2003

Signature:  /s/ Jonathan Barton
            -----------------------------------------------------------------

Name/Title  Jonathan Barton /Managing Director, Morgan Stanley Equity
                             Financial Services
            -----------------------------------------------------------------
            MORGAN STANLEY EQUITY FINANCIAL SERVICES


                       INDEX TO EXHIBITS                               PAGE
                       -----------------                               ----

EXHIBIT 1       Agreement to Make a Joint Filing                          7

EXHIBIT 2       Secretary's Certificate Authorizing Dennine Bullard       8
                to Sign on behalf of Morgan Stanley


* Attention. Intentional misstatements or omissions of fact constitute federal
  criminal violations (see 18 U.S.C. 1001).

                                       EX-99
                              JOINT FILING AGREEMENT


 CUSIP No. 450913108                13-G                   Page  7 of  8 Pages


                            EXHIBIT 1 TO SCHEDULE 13G
               ---------------------------------------------------


                               FEBRUARY 10, 2003
               ---------------------------------------------------


               MORGAN STANLEY and MORGAN STANLEY EQUITY FINANICAL


               SERVICES, hereby agree that, unless differentiated, this

               Schedule 13G is filed on behalf of each of the parties.


            MORGAN STANLEY

            BY: /s/ Dennine Bullard
            --------------------------------------------------------------------
            Dennine Bullard/ Vice President Morgan Stanley & Co. Incorporated

            MORGAN STANLEY EQUITY FINANCIAL SERVICES

            BY: /s/ Jonathan Barton /Managing Director, Morgan Stanley
                                     Equity Financial Services
            --------------------------------------------------------------------



* Attention. Intentional misstatements or omissions of fact constitute federal
  criminal violations (see 18 U.S.C. 1001).

                                  EX-99.1
                         SECRETARY'S CERTIFICATE


 CUSIP No. 450913108                                         Page  8 of  8 Pages
                                  EXHIBIT 2

                                 MORGAN STANLEY

                           SECRETARY'S CERTIFICATE


          I, Charlene R. Herzer,  a duly elected and Assistant Secretary
         of Morgan Stanley, a corporation  organized and
         existing under the laws of the State of Delaware (the
         "Corporation"), certify as follows:


             (1) Donald G. Kempf, Jr. is the duly elected Executive Vice
                 President, Chief Legal Officer and Secretary of the
                 Corporation;

             (2) Pursuant to Section 7.01 of the Bylaws of the Corporation
                 and resolutions approved by the Board of Directors of the
                 Corporation on September 25,1998, the Chief Legal Officer
                 is authorized to enter into agreements and other instruments
                 on behalf of the Corporation and may delegate such powers
                 to others under his jurisdiction; and

             (3) Donald G. Kempf signed a Delegation of Authority as of
                 February 23, 2000, which authorized Dennine Bullard to
                 sign reports to be filed under Section 13 and 16 of the
                 Securities Exchange Act of 1934 on behalf of the
                 Corporation.  Such authorization is in full force and
                 efect as of this date.

          IN WITNESS WHEREOF, I have hereunto set my name and affixed the seal
          of the Corporation as of the 5th day of February, 2003.

                                                ______________________________
                                                Charlene R. Herzer
                                                Assistant Secretary