FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934

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

        Date of Report (Date of earliest event reported): July 25, 2001

                        AFFILIATED MANAGERS GROUP, INC.
               -------------------------------------------------
               (Exact name of Registrant as specified in charter)

          Delaware                     0001-13459                043218510
----------------------------    ------------------------     -------------------
(State or other jurisdiction    (Commission file number)       (IRS employer
      of incorporation)                                      identification no.)

             Two International Place, 23rd Floor, Boston, MA 02110
         -------------------------------------------------------------
              (Address of principal executive offices) (Zip code)

                                 (617) 747-3300
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              (Registrant's telephone number, including area code)





Item 5.  Other Events

Registrant is filing this Form 8-K in order to file a current earnings press
release. By this filing, Registrant is not establishing the practice of filing
all earnings press releases in the future and may discontinue such filings at
any time.


Item 7.  Financial Statements and Exhibits

(c) Exhibits

Exhibit 99.1 -- Press Release, dated July 25, 2001 (filed for informational
                purposes).





                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                     AFFILIATED MANAGERS GROUP, INC.


Date: August 17, 2001                /s/ Darrell W. Crate
                                     -------------------------------
                                     DARRELL W. CRATE
                                     Executive Vice President,
                                     Chief Financial Officer and Treasurer
                                     (and also as Principal Financial and
                                     Accounting Officer)





                                    Exhibits

Exhibit 99.1 -- Press Release, dated July 25, 2001 (filed for informational
                purposes).