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

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                               (Amendment No. 1)*

 INSIGNIA FINANCIAL GROUP, INC. (formerly known as Insignia/ESG Holdings, Inc.)
 ------------------------------------------------------------------------------
                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
                     ---------------------------------------
                         (Title of Class of Securities)

                                   45767A 10 5
                                   -----------
                                 (CUSIP Number)

                                December 31, 2001
                                -----------------
                      (Date of Event which Requires Filing
                               of this Statement)

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

                [_]                     Rule 13d-1(b)
                [_]                     Rule 13d-1(c)
                [X]                     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).

                       Continued on the following page(s)
                                Page 1 of 9 pages
                              Exhibit Index: Page 8



                                  SCHEDULE 13G

CUSIP No. 45767A 10 5                                          Page 2 of 9 Pages


1        Names of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  APOLLO REAL ESTATE INVESTMENT FUND, L.P.

2        Check the Appropriate Box if a Member of a Group (See Instructions)
                                               a.  [_]
                                               b.  [X]
3        SEC Use Only

4        Citizenship or Place of Organization

                  Delaware

                                            5         Sole Voting Power
         Number of                                       1,667,821
           Shares
         Beneficially                       6         Shared Voting Power
         Owned By                                            0
           Each
         Reporting                          7         Sole Dispositive Power
           Person                                        1,667,821
            With
                                            8         Shared Dispositive Power
                                                             0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                               1,667,821

10       Check if the Aggregate  Amount in Row (9) Excludes  Certain Shares (See
         Instructions)

                               [_]

11       Percent of Class Represented By Amount in Row (9)

                               7.4%

12       Type of Reporting Person (See Instructions)

                               PN



                                  SCHEDULE 13G

CUSIP No. 45767A 10 5                                          Page 3 of 9 Pages

1        Name of Reporting Persons
         I.R.S. Identification Nos. of above persons (entities only)

                  APOLLO REAL ESTATE ADVISORS, L.P.

2        Check the Appropriate Box if a Member of a Group (See Instructions)
                                               a.  [_]
                                               b.  [X]
3        SEC Use Only

4        Citizenship or Place of Organization

                  Delaware

                                            5         Sole Voting Power
         Number of                                       1,667,821
           Shares
         Beneficially                       6         Shared Voting Power
         Owned By                                            0
           Each
         Reporting                          7         Sole Dispositive Power
           Person                                        1,667,821
            With
                                            8         Shared Dispositive Power
                                                             0

9        Aggregate Amount Beneficially Owned by Each Reporting Person

                               1,667,821

10       Check if the Aggregate  Amount in Row (9) Excludes  Certain Shares (See
         Instructions)

                               [_]

11       Percent of Class Represented By Amount in Row (9)

                               7.4%

12       Type of Reporting Person (See Instructions)

                               PN




                                                               Page 4 of 9 Pages

Item 1(a)         Name of Issuer:

                  Insignia Financial Group, Inc. (formerly known as Insignia/ESG
Holdings, Inc.) (the "Issuer").

Item 1(b)         Address of the Issuer's Principal Executive Offices:

                  200 Park Avenue, New York, New York  10166.

Item 2(a)         Name of Person Filing:

                  This  statement  is filed on behalf  of each of the  following
persons (collectively, the "Reporting Persons"):

                  (i)  Apollo  Real Estate  Investment  Fund,  L.P.,  a Delaware
                       limited partnership ("AREIF"), and

                  (ii) Apollo Real Estate  Advisors,  L.P.,  a Delaware  limited
                       partnership ("AREA").

                  AREA is the  managing  general  partner of AREIF.  Apollo Real
Estate  Management,  Inc.,  a Delaware  corporation  ("AREMI"),  is the  general
partner of AREA.  Leon D.  Black,  John J.  Hannan  and  William L. Mack are the
directors and principal officers of AREMI. The Reporting Persons, AREMI, Messrs.
Black,  Hannan  and Mack and their  respective  affiliates  disclaim  beneficial
ownership  of all shares of the Issuer in excess of their  respective  pecuniary
interests,  if any, and this statement shall not be deemed an admission that any
such person or entity is the beneficial owner of, or has any pecuniary  interest
in, any such securities for any purpose.

Item 2(b)         Address of Principal Business Office or, if None, Residence:

                  The address of AREIF's principal business office is c/o Apollo
Real Estate Advisors, L.P., Two Manhattanville Road, Purchase, New York 10577.

                  The  address  of  AREA's  principal  business  office  is  Two
Manhattanville Road, Purchase, New York 10577.

Item 2(c)         Citizenship:

                  (i)   AREIF is a Delaware limited partnership; and

                  (ii)  AREA is a Delaware limited partnership;

Item 2(d)         Title of Class of Securities:

                  Common Stock, par value $0.01 per share (the "Shares").

Item 2(e)         CUSIP Number:

                  45767A 10 5


                                                               Page 5 of 9 Pages

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

                  This Item 3 is not applicable.

Item 4.           Ownership:

Item 4(a)         Amount Beneficially Owned:

                  As of December 31, 2001, each of the Reporting  Persons may be
deemed the beneficial owner of 1,667,821 Shares.

Item 4(b)         Percent of Class:

                  The  number of Shares of which each of the  Reporting  Persons
may be deemed to be the beneficial owner constitutes  approximately  7.4% of the
total number of Shares outstanding, based on the number of Shares outstanding as
of November 1, 2001, as reported in the Issuer's  Quarterly  Report on Form 10-Q
for the quarterly period ended September 30, 2001.

Item 4(c)         Number of shares as to which the person has:

AREIF
-----

(i)      Sole power to vote or to direct the vote:                     1,667,821

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

(iii)    Sole power to dispose or to direct the disposition of:        1,667,821

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

AREA
----

(i)      Sole power to vote or to direct the vote:                     1,667,821

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

(iii)    Sole power to dispose or to direct the disposition of:        1,667,821

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


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:

                  This Item 6 is not applicable.


                                                               Page 6 of 9 Pages


Item 7.           Identification  and  Classification  of the  Subsidiary  Which
                  Acquired the Security  Being Reported on by the Parent Holding
                  Company:

                  This Item 7 is not applicable.

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

                  This Item 8 is not applicable.

Item 9.           Notice of Dissolution of Group:

                  This Item 9 is not applicable.

Item 10.          Certification:

                  By signing below each signatory certifies that, to the best of
his/its knowledge and belief, the securities referred to above were not acquired
and  are  not  held  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.



                                                               Page 7 of 9 Pages


                                   SIGNATURES

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


Date:    February 12, 2002          APOLLO REAL ESTATE INVESTMENT FUND, L.P.

                                    By: Apollo Real Estate Advisors, L.P.,
                                        its General Partner

                                        By: Apollo Real Estate Management, Inc.,
                                            its General Partner

                                            By:   /s/ Michael D. Weiner
                                                  --------------------------
                                                  Michael D. Weiner
                                                  Vice President


Date:  February 12, 2002            APOLLO REAL ESTATE ADVISORS, L.P.

                                    By: Apollo Real Estate Management, Inc.,
                                        its General Partner

                                        By: /s/ Michael D. Weiner
                                            ------------------------------
                                            Michael D. Weiner
                                            Vice President




                                                               Page 8 of 9 Pages

                                  EXHIBIT INDEX
                                                                        Page No.
                                                                        -------

A.       Joint Filing Agreement, dated as of February 12, 2002,
         by and between Apollo Real Estate Investment Fund, L.P.
         and Apollo Real Estate Advisors, L.P. . . . . . . . . . . .       9