UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934
                               (Amendment No. 1)*

                                 Mosaic Company
                        (formerly named IMC Global Inc.)
                                (Name of Issuer)

                                  COMMON STOCK
                         (Title of Class of Securities)

                                    61945a107
                                 (CUSIP Number)

                                December 31, 2004
             (Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                             |X|      Rule 13d-1 (b)
                             |_|      Rule 13d-1 (c)
                             |_|      Rule 13d-1 (d)

*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).

1. NAME OF REPORTING PERSON
         S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

                  EIN 23-2856392
                  Schneider Capital Management Corporation




2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

                                 (a) |_| 
                                 (b) |_|

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION
                  PENNSYLVANIA

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER 
                  3,230,975

6. SHARED VOTING POWER 
                  None

7. SOLE DISPOSITIVE POWER
                  5,170,750

8. SHARED DISPOSITIVE POWER
                  None

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                  5,170,750
10.CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
                  SHARES |_|

11.PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 
                  1.37%

12.TYPE OF REPORTING PERSON
                  IA


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                              GENERAL INSTRUCTIONS

Item 1.

(a)      Name of Issuer
                           Mosaic Company

(b)      Address of Issuer's Principal Executive Offices

                           12800 Whitewater Drive
                           Minnetonka, MN 55343

Item 2.

(a)      Name of Person Filing
                           SCHNEIDER CAPITAL MANAGEMENT CORPORATION

(b)      Address of Principal Business Office or, if none, Residence 
                           460 E. Swedesford Rd., Suite 1080 
                           Wayne, PA 19087

(c)      Citizenship
                           UNITED STATES

(d)      Title of Class of Securities 
                           COMMON STOCK

(e)      CUSIP Number 
                           61945a107

Item 3.  If this statement is filed pursuant to ss.ss.240.13d-1(b),
         or 240.13d-2(b) or (c), check whether the person filing is a:

(a)      |_| Broker or dealer registered under Section 15 of the Act

(b)      |_| Bank as defined in section 3(a)(6) of the Act

(c)      |_| Insurance company as defined in section 3(a)(19) of the Act

(d)      |_| Investment company registered under section 8 of the Investment
             Company Act of 1940

(e)      |X| An investment adviser in accordance with ss.240.13d-1(b)(1)(ii)(E)

(f)      |_| An employee benefit plan or endowment fund in accordance with
             ss.ss.240.13d-1(b)(1)(ii)(F)


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(g)      |_| A parent holding company, in accordance with
             ss.ss.240.13d-1(b)(1)(ii)(G)

(h)      |_| A savings association as defined in Section 3(b) of the Federal
             Deposit Insurance Act

(i)      |_| A church plan that is excluded from the definition of an investment
             company under Section 3(c)(14) of the Investment Company Act of 
             1940

(j)      |_| Group, in accordance with ss.ss.240.13d-1(b)(1)(ii)(H)

Item 4.  Ownership.

(a)      Amount Beneficially Owned
                           5,170,750

(b)      Percent of Class  1.37%

(c)      Number of shares as to which such person has:

         (i)      sole power to vote or to direct the vote 
                           3,230,975
         (ii)     shared power to vote or to direct the vote 
                           None
         (iii)    sole power to dispose or to direct the disposition of
                           5,170,750
         (iv)     shared power to dispose or to direct the disposition of 
                           None

Item 5.  Ownership of Five Percent or Less of a Class
         If this statement is being filed to report the fact that as of the date
         hereof the reporting person has ceased to be the beneficial owner of
         more than five percent of the class of securities, check the following
         |X|.

Item 6.  Ownership of More than Five Percent on Behalf of Another Person.
                           None

Item 7.  Identification and Classification of the Subsidiary Which Acquired the 
         Security Being Reported on By the Parent Holding Company.
                           N/A

Item 8.  Identification and Classification of Members of the Group.
                           N/A

Item 9.  Notice of Dissolution of Group.
                           N/A


                                      -4-





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 or with the
         effect of changing or influencing the control of the issuer of the
         securities and were not acquired and are not held in connection with or
         as a participant in any transaction having that purpose or effect.

                                    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.

                                       February 11, 2005
                                       Date

                                       /s/ Gary P. Soura, Jr.
                                       ----------------------
                                       Signature

                                       GARY P. SOURA, JR.
                                       SR. VICE PRESIDENT
                                       Name/Title

         The original statement shall be signed by each person on whose behalf
the statement is filed or his authorized representative. If the statement is
signed on behalf of a person by his authorized representative other than an
executive officer or general partner of the filing person, evidence of the
representative's authority to sign on behalf of such person shall be filed with
the statement, provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall be typed or
printed beneath his signature.

         Attention: Intentional misstatements or omissions of fact constitute
         Federal criminal violations (See 18 U.S.C. 1001)


                                      -5-





                                  AMENDED ITEMS


Number of Shares Beneficially Owned by Each Reporting Person With:

5.       Sole Voting Power
         3,230,975

7.       Sole Dispositive Power
         5,170,750

9.       Aggregate Amount Beneficially Owned by Each Reporting Person
         5,170,750

11.      Percent of Class Representing the Aggregate Amount Beneficially Owned
         by Each Reporting Person 
         1.37%*

*        Shares originally purchased as common stock of IMC Global Inc. (former
         CUSIP number 449669100)


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