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





                                  SCHEDULE 13G


                    UNDER THE SECURITIES EXCHANGE ACT OF 1934


                         RECKSON ASSOCIATES REALTY CORP.
                         -------------------------------
                                (NAME OF ISSUER)


                                  COMMON STOCK
                                  ------------
                         (TITLE OF CLASS OF SECURITIES)


                                    75621K106
                                    ---------
                                 (CUSIP NUMBER)


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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





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  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

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  4       CITIZENSHIP OR PLACE OF ORGANIZATION


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

                              343,642

                       ---------------------------------------------------------
       NUMBER            6    SHARED VOTING POWER
      OF SHARES
    BENEFICIALLY              0
      OWNED BY
        EACH           ---------------------------------------------------------
      REPORTING          7    SOLE DISPOSITIVE POWER
     PERSON WITH
                              343,642

                       ---------------------------------------------------------
                         8    SHARED DISPOSITIVE POWER

                              838,030

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

          1,181,672

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

          2.13%

--------------------------------------------------------------------------------
  12      TYPE OF REPORTING PERSON*
          IA


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


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       2




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  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

                              667,515

                       ---------------------------------------------------------
       NUMBER            6    SHARED VOTING POWER
      OF SHARES
    BENEFICIALLY              2,253,972
      OWNED BY
        EACH           ---------------------------------------------------------
      REPORTING          7    SOLE DISPOSITIVE POWER
     PERSON WITH
                              603,915

                       ---------------------------------------------------------
                         8    SHARED DISPOSITIVE POWER

                              2,446,092

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

          3,050,007

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

          5.49%

--------------------------------------------------------------------------------
  12      TYPE OF REPORTING PERSON*
          IA

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

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!


                                       3




ITEM 1.

         (a)      Name of Issuer

                  Reckson Associates Realty Corp.

         (b)      Address of Issuer's Principal Executive Offices

                  225 Broadhollow Road
                  Melville, New York  11747

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

                  1,181,672

         (b)      Percent of Class


                                       5



                  2.13%

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

                  (i)    sole power to vote or to direct the vote

                         343,642

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

                         0

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

                         343,642

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

                         838,030

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

         (a)      Amount Beneficially Owned

                  3,050,007


         (b)      Percent of Class

                  5.49%

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

                  (i)    sole power to vote or to direct the vote

                         667,515

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

                         2,253,972

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

                         603,915

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

                         2,446,092


                                       6




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 / /.


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 a registered investment adviser, 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 9, 2001


                                   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


                                       8