================================================================================

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


                                  SCHEDULE 13G
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                               (AMENDMENT NO. 3)*


                              MILLEA HOLDINGS, INC.
                                (Name of Issuer)


                                  COMMON STOCK
                         (Title of Class of Securities)


                                    60032R106
                                 (CUSIP Number)


                                DECEMBER 31, 2006
             (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).

================================================================================


-----------------------
CUSIP NO.  60032R106
-----------------------

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

       Mitsubishi UFJ Financial Group, Inc.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          47,876,556
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        47,876,556
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       47,876,556
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       5.7%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  2 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       The Bank of Tokyo-Mitsubishi UFJ, Ltd.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          20,066,370
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        20,066,370
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       20,066,370
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       2.4%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  3 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       Mitsubishi UFJ Trust and Banking Corporation
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          24,413,526
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        24,413,526
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       24,413,526
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       2.9%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  4 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       Mitsubishi UFJ Securities Co., Ltd.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          599,760
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        599,760
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       599,760
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       0.1%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  5 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       Mitsubishi UFJ Asset Management Co., Ltd.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          2,787,300
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        2,787,300
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       2,787,300
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       0.3%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  6 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       Mitsubishi UFJ Asset Management (UK) Ltd.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       London, United Kingdom
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          7,900
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        7,900
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       7,900
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       0.0%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  7 of 23

-----------------------
CUSIP NO.  60032R106
-----------------------

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

       MU Investments Co., Ltd.
--------------------------------------------------------------------------------
  2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       (See Instructions)                                           (a)   [_]
                                                                    (b)   [_]
--------------------------------------------------------------------------------
  3    SEC USE ONLY

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

       Tokyo, Japan
--------------------------------------------------------------------------------
       NUMBER OF                  5     SOLE VOTING POWER

        SHARES                          9,600
                                ------------------------------------------------
     BENEFICIALLY                 6     SHARED VOTING POWER

       OWNED BY                         -0-
                                ------------------------------------------------
         EACH                     7     SOLE DISPOSITIVE POWER

       REPORTING                        9,600
                                ------------------------------------------------
        PERSON                    8     SHARED DISPOSITIVE POWER

         WITH                           -0-
--------------------------------------------------------------------------------
  9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       9,600
--------------------------------------------------------------------------------
  10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
       (See Instructions)
                                                                          [_]
--------------------------------------------------------------------------------
  11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

       0.0%
--------------------------------------------------------------------------------
  12   TYPE OF REPORTING PERSON (See Instructions)

       CO
--------------------------------------------------------------------------------

                               Page  8 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


ITEM 1

         (a)      NAME OF ISSUER

                  Millea Holdings, Inc.

         (b)      ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES

                  Tokyo Kaijo Nichido Building Shinkan, 2-1 Marunouchi 1-chome,
                  Chiyoda-ku Tokyo 100-0005, Japan

ITEM 2

         (a)      NAMES OF PERSONS FILING

                  Mitsubishi UFJ Financial Group, Inc. ("MUFG")

                  The Bank of Tokyo-Mitsubishi UFJ, Ltd. ("BTMU")

                  Mitsubishi UFJ Trust and Banking Corporation ("MUTB")

                  Mitsubishi UFJ Securities Co., Ltd. ("MUS")

                  Mitsubishi UFJ Asset Management Co., Ltd. ("MUAM")

                  Mitsubishi UFJ Asset Management (UK) Ltd. ("MUAMUK")

                  MU Investments Co., Ltd. ("MUI")

         (b)      ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE

                  MUFG:
                  7-1 Marunouchi 2-chome, Chiyoda-ku
                  Tokyo 100-8330, Japan

                  BTMU:
                  7-1 Marunouchi 2-chome, Chiyoda-ku
                  Tokyo 100-8388, Japan

                  MUTB:
                  4-5 Marunouchi 1-chome, Chiyoda-ku
                  Tokyo 100-8212, Japan

                  MUS:
                  4-1 Marunouchi 2-chome, Chiyoda-ku
                  Tokyo, 100-6317, Japan

                  MUAM:
                  4-5 Marunouchi 1-chome, Chiyoda-ku
                  Tokyo 100-8212, Japan

                  MUAMUK
                  12-15 Finsbury Circus, London, EC2M 7BT
                  United Kingdom


                               Page  9 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                  MUI:
                  2-15 Nihonbashi Muromachi 3-chome, Chuo-ku
                  Tokyo 103-0022, Japan

         (c)      CITIZENSHIP

                  Not applicable.

         (d)      TITLE OF CLASS OF SECURITIES

                  Common Stock

         (e)      CUSIP NUMBER

                  60032R106


ITEM 3            IF THIS STATEMENT IS FILED PURSUANT TO SECTION 240.13d-1(b) OR
                  240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

         MUFG:      (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [ ] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [ ] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [X] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

         BTMU:      (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [X] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [ ] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);


                               Page  10 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

         MUTB:      (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [X] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [ ] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

         MUS:       (a)  [X] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [ ] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [ ] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);


                               Page  11 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

         MUAM:      (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [ ] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [X] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

     MUAMUK:        (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [ ] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [X] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);


                               Page  12 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).

         MUI:       (a)  [ ] Broker or dealer registered under section 15 of the
                             Act (15 U.S.C. 78o).

                    (b)  [ ] Bank as defined in section 3(a)(6) of the Act (15
                             U.S.C. 78c).

                    (c)  [ ] Insurance company as fined in section 3(a)(19) of
                             the Act (15 U.S.C. 78c).

                    (d)  [ ] Investment company registered under section 8 of
                             the Investment Company Act of 1940 (15 U.S.C.
                             80a-8).

                    (e)  [X] An investment adviser in accordance with section
                             240.13d-1(b)(1)(ii)(E);

                    (f)  [ ] An employee benefit plan or endowment fund in
                             accordance with section 240.13d-1(b)(1)(ii)(F);

                    (g)  [ ] A parent holding company or control person in
                             accordance with section 240.13d-1(b)(1)(ii)(G);

                    (h)  [ ] A savings association as defined in section 3(b) of
                             the Federal Deposit Insurance Act (12 U.S.C. 1813);

                    (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 (15 U.S.C.
                             80a-3);

                    (j)  [ ] Group, in accordance with section
                             240.13d-1(b)(1)(ii)(J).


ITEM 4            OWNERSHIP

                  Provide the following information regarding the aggregate
                  number and percentage of the class of securities of the issuer
                  identified in Item 1.

                  For MUFG

                  (a) Amount Beneficially Owned:                      47,876,556

                  (b) Percent of Class:                                    5.73%

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

                      (i)   Sole power to vote or to direct the vote: 47,876,556

                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                           47,876,556

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For BTMU

                  (a) Amount Beneficially Owned:                      20,066,370

                  (b) Percent of Class:                                    2.40%

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

                      (i)   Sole power to vote or to direct the vote: 20,066,370


                               Page  13 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                           20,066,370

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For MUTB

                  (a) Amount Beneficially Owned:                      24,413,526

                  (b) Percent of Class:                                    2.92%

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

                      (i)   Sole power to vote or to direct the vote: 24,413,526

                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                           24,413,526

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For MUS

                  (a) Amount Beneficially Owned:                         599,760

                  (b) Percent of Class:                                    0.07%

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

                      (i)   Sole power to vote or to direct the vote:    599,760

                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                              599,760

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For MUAM

                  (a) Amount Beneficially Owned:                       2,787,300

                  (b) Percent of Class:                                    0.33%

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

                      (i)   Sole power to vote or to direct the vote:  2,787,300

                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                            2,787,300

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For MUAMUK

                  (a) Amount Beneficially Owned:                           7,900

                  (b) Percent of Class:                                    0.00%

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

                      (i)   Sole power to vote or to direct the vote:      7,900


                               Page  14 of 23


-----------------------
CUSIP NO.  60032R106
-----------------------


                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                                7,900

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


                  For MUI

                  (a) Amount Beneficially Owned:                           9,600

                  (b) Percent of Class:                                    0.00%

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

                      (i)   Sole power to vote or to direct the vote:      9,600

                      (ii)  Shared power to vote or to direct the vote:      -0-

                      (iii) Sole power to dispose or to direct the
                            disposition of:                                9,600

                      (iv)  Shared power to dispose or to direct the
                            disposition of:                                  -0-


ITEM 5            OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

                  Not applicable.


ITEM 6            OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER
                  PERSON

                  Not applicable.


ITEM 7            IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
                  ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING
                  COMPANY

                  As of December 31, 2006, MUFG beneficially owns 47,876,556
                  shares indirectly through its subsidiaries as follows: BTMU
                  holds 20,066,370 shares; MUTB holds 24,413,526 shares; MUS
                  holds 599,760 shares; MUAM holds 2,787,300 shares (including
                  7,900 shares indirectly held through MUAM's subsidiary,
                  MUAMUK); and MUI holds 9,600 shares.


ITEM 8            IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

                  Not applicable.


ITEM 9            NOTICE OF DISSOLUTION OF GROUP

                  Not applicable.


ITEM 10           CERTIFICATION

                  By signing below the filers certify that, to the extent of
                  their best knowledge and belief, the securities referred to
                  above were acquired and are held in the ordinary course of
                  business and were not acquired and are not held for the
                  purpose of or with the effect of changing or influencing the


                               Page  15 of 23


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CUSIP NO.  60032R106
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                  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.




                               Page  16 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    MITSUBISHI UFJ FINANCIAL GROUP, INC.



                                    By:   /s/ Takami Onodera
                                          -------------------------------
                                    Name:  Takami Onodera

                                    Title: General Manager, Credit &
                                           Investment Management Division





                               Page  17 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    THE BANK OF TOKYO-MITSUBISHI UFJ, LTD.



                                    By:   /s/ Takami Onodera
                                          --------------------------------
                                    Name:  Takami Onodera

                                    Title:  General Manager, Credit Policy
                                            & Planning Division





                               Page  18 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    MITSUBISHI UFJ TRUST AND BANKING CORPORATION



                                    By:   /s/ Koji Kawakami
                                          --------------------------------------
                                    Name:  Koji Kawakami

                                    Title:  Deputy General Manager of Trust
                                            Assets Planning Division





                               Page  19 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    MITSUBISHI UFJ SECURITIES CO., LTD.



                                    By:   /s/ Akio Sashida
                                          -----------------------------
                                    Name:  Akio Sashida

                                    Title:  Executive Officer & General
                                            Manager





                               Page  20 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    MITSUBISHI UFJ ASSET MANAGEMENT CO., LTD.



                                    By:   /s/ Yasushi Inoue
                                          -----------------------------------
                                    Name:  Yasushi Inoue

                                    Title:  General Manager of Risk Management
                                            Division





                               Page  21 of 23


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CUSIP NO.  60032R106
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                                    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: January 31, 2007



                                    MITSUBISHI UFJ ASSET MANAGEMENT (UK) LTD.



                                    By:   /s/ Hiroyuki Mori
                                          --------------------------------
                                    Name:  Hiroyuki Mori

                                    Title:  Managing Director & CE





                               Page  22 of 23


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CUSIP NO.  60032R106
-----------------------


                                    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: January 31, 2007



                                    MU INVESTMENTS CO., LTD.



                                    By:   /s/ Kenji Fujii
                                          ---------------------------
                                    Name:  Kenji Fujii

                                    Title:  General Manager of Risk
                                            Management Dept.




                               Page 23 of 23