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





                                  SCHEDULE 13G



                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                                (Amendment No. 1)


                   Apartment Investment and Management Company
                   -------------------------------------------
                                (NAME OF ISSUER)


                                  Common Stock
                                  ------------
                         (TITLE OF CLASS OF SECURITIES)


                                    03748R101
                                    ---------
                                 (CUSIP NUMBER)




--------------------------------------------------------------------------------


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)



                                PAGE 1 OF 8 PAGES




                                                                                      
--------- -----------------------------------------------------------------------------------------------------------
  1       NAME OF REPORTING PERSON:
          LaSalle Investment Management, Inc.

          S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON:
          36-4160747
--------- -----------------------------------------------------------------------------------------------------------
  2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                  (a)   |X|
                                                                                                  (b)   |_|
--------- -----------------------------------------------------------------------------------------------------------
  3       SEC USE ONLY

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

          Maryland
---------------------- ------ ---------------------------------------------------------------------------------------
                         5    SOLE VOTING POWER

                              182,612
                       ------ ---------------------------------------------------------------------------------------
       NUMBER            6    SHARED VOTING POWER
      OF SHARES
    BENEFICIALLY              0
      OWNED BY         ------ ---------------------------------------------------------------------------------------
        EACH             7    SOLE DISPOSITIVE POWER
      REPORTING
     PERSON WITH              182,612
                       ------ ---------------------------------------------------------------------------------------
                         8    SHARED DISPOSITIVE POWER

                              605,311
--------- -----------------------------------------------------------------------------------------------------------
   9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          787,923
--------- -----------------------------------------------------------------------------------------------------------
  10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

          Excludes shares beneficially owned by LaSalle Investment Management (Securities), L.P.
--------- -----------------------------------------------------------------------------------------------------------
  11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

          1.1%
--------- -----------------------------------------------------------------------------------------------------------
  12      TYPE OF REPORTING PERSON*

          IA
--------- -----------------------------------------------------------------------------------------------------------



                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       2




                                                                                      
--------- -----------------------------------------------------------------------------------------------------------
  1       NAME OF REPORTING PERSON:
          LaSalle Investment Management (Securities), L.P.

          S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON:
          36-3991973
--------- -----------------------------------------------------------------------------------------------------------
  2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                                                  (a)   |X|
                                                                                                  (b)   |_|
--------- -----------------------------------------------------------------------------------------------------------
  3       SEC USE ONLY

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

          Maryland
---------------------- ------ ---------------------------------------------------------------------------------------
                         5    SOLE VOTING POWER

                              427,864
                       ------ ---------------------------------------------------------------------------------------
       NUMBER            6    SHARED VOTING POWER
      OF SHARES
    BENEFICIALLY              4,424,988
      OWNED BY         ------ ---------------------------------------------------------------------------------------
        EACH             7    SOLE DISPOSITIVE POWER
      REPORTING
     PERSON WITH              383,464
                       ------ ---------------------------------------------------------------------------------------
                         8    SHARED DISPOSITIVE POWER

                              4,596,266
--------- -----------------------------------------------------------------------------------------------------------
   9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

          4,979,730
--------- -----------------------------------------------------------------------------------------------------------
  10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

          Excludes shares beneficially owned by LaSalle Investment Management, Inc.
--------- -----------------------------------------------------------------------------------------------------------
  11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

          6.7%
--------- -----------------------------------------------------------------------------------------------------------
  12      TYPE OF REPORTING PERSON*

          IA
--------- -----------------------------------------------------------------------------------------------------------



                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       3



ITEM 1.

         (a)      Name of Issuer

                  Apartment Investment and Management Company

         (b)      Address of Issuer's Principal Executive Offices

                  1873 South Bellaire Street, Suite 1700
                  Denver, Colorado 80222

ITEM 2.

       LaSalle Investment Management, Inc. provides the following information:

         (a)      Name of Person Filing

                  LaSalle Investment Management, Inc.

         (b)      Address of Principal Business Office or, if none, Residence

                  200 East Randolph Drive
                  Chicago, Illinois  60601

         (c)      Citizenship

                  Maryland

         (d)      Title of Class of Securities

                  Common Stock, $.01 par value per share

         (e)      CUSIP Number

                  411465107

         LaSalle Investment Management (Securities), L.P. provides the following
         information:

         (a)      Name of Person Filing

                  LaSalle Investment Management (Securities), L.P.

         (b)      Address of Principal Business Office or, if none, Residence

                  200 East Randolph Drive
                  Chicago, Illinois  60601

         (c)      Citizenship

                  Maryland


                                       4



         (d)      Title of Class of Securities

                  Common Stock, $.01 par value per share

         (e)      CUSIP Number

                  94856P102

ITEM 3.*          IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b), OR
                  13d-2(b), 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
         (e)      |X|  Investment Adviser registered under Section 203 of the
                       Investment Advisers Act of 1940
         (f)      |_|  Employee Benefit Plan, Pension Fund which is subject to
                       the provisions of the Employee Retirement Income Security
                       Act of 1974 or Endowment Fund; see
                       Section 240.13d-1(b)(1)(ii)(F)
         (g)      |_|  Parent Holding Company, in accordance with
                       Section 240.13d-1(b)(ii)(G) (Note: See Item 7)
         (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 section 240.13d-1(b)-1(ii)(J)

         * This response is provided on behalf of LaSalle Investment Management,
Inc. and LaSalle Investment Management (Securities), L.P., each an investment
adviser under Section 203 of the Investment Advisers Act of 1940.

ITEM 4.  OWNERSHIP

       If the percent of the class owned, as of December 31 of the year covered
by the statement, or as of the last day of any month described in Rule
13d-1(b)(2), if applicable, exceeds five percent, provide the following
information as of that date and identify those shares which there is a right to
acquire.

       LaSalle Investment Management, Inc. provides the following information:

         (a)      Amount Beneficially Owned

                  787,923

                                       5



         (b)      Percent of Class

                  1.1%

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

                  (i)   sole power to vote or to direct the vote
                        182,612

                  (ii)  shared power to vote or to direct the vote
                        0

                  (iii) sole power to dispose or to direct the disposition of
                        182,612

                  (iv)  shared power to dispose or to direct the disposition of
                        605,311

       LaSalle Investment Management (Securities), L.P. provides the following
       information:

         (a)      Amount Beneficially Owned
                  4,979,730

         (b)      Percent of Class
                  6.7%

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

                  (i)   sole power to vote or to direct the vote
                        427,864

                  (ii)  shared power to vote or to direct the vote
                        4,424,988

                  (iii) sole power to dispose or to direct the disposition of
                        383,464

                  (iv)  shared power to dispose or to direct the disposition of
                        4,596,266


ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS


                                       6



       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 / /.

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

       Not applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

       The two members of the Group are: LaSalle Investment Management, Inc.
("LaSalle") and LaSalle Investment Management (Securities), L.P. ("LIMS").

       LIMS is a Maryland limited partnership, the limited partner of which is
LaSalle and the general partner of which is LaSalle Investment
Management (Securities), Inc., a Maryland corporation, the sole stockholder of
which is LaSalle. LaSalle and LIMS, each registered investment advisers, have
different advisory clients.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP

       Not applicable.

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 purposes or effect.


                                       7



                                    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.

         The parties agree that this statement is filed on behalf of each of
them.


Dated:   February 14, 2002


                                           LASALLE INVESTMENT
                                           MANAGEMENT, INC.


                                           By: /s/ DENISE R. ORGANT
                                               -----------------------------
                                           Name:    Denise R. Organt
                                           Title:   Vice President


                                           LASALLE INVESTMENT
                                           MANAGEMENT
                                           (SECURITIES), L.P.


                                           By: /s/ DENISE R. ORGANT
                                               -----------------------------
                                           Name:    Denise R. Organt
                                           Title:   Vice President





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